T5

Scrubber-Dryer

English EN
Operator Manual

For the latest Parts manual and other

language Operator manuals, visit:
9002347
www.tennantco.com/manuals Rev. 07 (06-2016)
www.tennantco.com *000000*
OPERATION

This manual is furnished with each new model.

It provides necessary operation and maintenance INTENDED USE
instructions.
Read this manual completely and The T5 walk behind scrubber is designed to scrub hard
understand the machine before surfaces (concrete, asphalt, stone, synthetic, etc) in an
operating or servicing it.
indoor environment. Typical applications include hotels,
This machine will provide excellent service. However, schools, hospitals, factories, shops, offices, and rental
the best results will be obtained at minimum costs if: businesses. Do not use this machine on carpeted
surfaces. Use only recommended pads and
S The machine is operated with reasonable care. commercially available floor cleaners intended for
S The machine is maintained regularly - per the machine application. Do not use this machine other
than described in this Operator Manual.
machine maintenance instructions provided.
S The machine is maintained with manufacturer
supplied or equivalent parts. MACHINE DATA
Parts and supplies may be ordered online, by phone,
by fax or by mail.
Please fill out at time of installation
PROTECT THE ENVIRONMENT for future reference.
Please dispose of packaging materials, Model No. -
used components such as batteries and
fluids in an environmentally safe way Serial No. -
according to local waste disposal
regulations. Installation Date -
Always remember to recycle.

TENNANT N.V.
Industrielaan 6 5405 AB
P.O. Box 6 5400 AA Uden- The Netherlands
europe@tennantco.com
www.tennantco.com
Specifications and parts are subject to change without notice.
Original instructions, copyright E2006- 2016 Tennant Company
Printed in The Netherlands. All rights reserved.

2 Tennant T5 (06- 16)

 OPERATION

TABLE OF CONTENTS

IMPORTANT SAFETY INSTRUCTIONS . . . . . . . 4 ADJUSTING SCRUB HEAD BRUSHES . . . . . . . 24

SAFETY LABELS . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 DISK MODEL . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
CYLINDRICAL BRUSH MODEL . . . . . . . . . . . 25
MACHINE COMPONENTS . . . . . . . . . . . . . . . . . . . 7
MAINTENANCE CHART . . . . . . . . . . . . . . . . . . . . . 27
CONTROL PANEL COMPONENTS . . . . . . . . . . . 8
MACHINE MAINTENANCE . . . . . . . . . . . . . . . . . . 28
MACHINE INSTALLATION . . . . . . . . . . . . . . . . . . . 9
DAILY MAINTENANCE
UNCRATING MACHINE . . . . . . . . . . . . . . . . . . 9
(AFTER EVERY USE) . . . . . . . . . . . . . . . . . . . 28
INSTALLING BATTERIES . . . . . . . . . . . . . . . . 9
MONTHLY MAINTENANCE . . . . . . . . . . . . . . . 30
HOW THE MACHINE WORKS . . . . . . . . . . . . . . . 10 BATTERY MAINTENANCE . . . . . . . . . . . . . . . 31
BRUSH AND PAD INFORMATION . . . . . . . . . . . . 10 MAINTENANCE-FREE BATTERIES . . . . . . . 31
MACHINE SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . 11 FLOODED (WET) LEAD-ACID BATTERIES . 31
ATTACHING SQUEEGEE ASSEMBLY . . . . . 11 CHECKING CONNECTIONS / CLEANING . . 31
INSTALLING BRUSHES/PADS . . . . . . . . . . . . 11 SQUEEGEE BLADES . . . . . . . . . . . . . . . . . . . . 32
EC-H2O NANOCLEAN WATER CONDITIONING REPLACING SQUEEGEE BLADES: . . . . . . . 32
CARTRIDGE (EC-H2O NANOCLEAN MOTOR MAINTENANCE . . . . . . . . . . . . . . . . . 32
MODEL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 FAST SYSTEM MAINTENANCE . . . . . . . . . . 33
INSTALLING FAST- PAK CARTON EC-H2O NANOCLEAN WATER CONDITIONING
(FAST MODEL) . . . . . . . . . . . . . . . . . . . . . . . . . 13 CARTRIDGE REPLACEMENT . . . . . . . . . . . . 33
FILLING SOLUTION TANK . . . . . . . . . . . . . . . 14 EC- H2O MODULE FLUSH PROCEDURE . . 34
MACHINE OPERATION . . . . . . . . . . . . . . . . . . . . . 14 JACKING UP MACHINE . . . . . . . . . . . . . . . . . . . . . 35
PRE- OPERATION CHECKS . . . . . . . . . . . . . . 14 TRANSPORTING MACHINE . . . . . . . . . . . . . . . . . 35
STARTING THE MACHINE . . . . . . . . . . . . . . . 14 STORING MACHINE . . . . . . . . . . . . . . . . . . . . . . . . 35
EMERGENCY SHUT- OFF BUTTON . . . . . . . 16 FREEZE PROTECTION . . . . . . . . . . . . . . . . . . 36
WHILE OPERATING MACHINE . . . . . . . . . . . 16
BATTERY CHARGE LEVEL INDICATOR . . . 17 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . 37
HOUR METER . . . . . . . . . . . . . . . . . . . . . . . . . . 18 CONTROL PANEL FAULT INDICATOR CODES 40
OFF- AISLE WAND SETUP AND GENERAL MACHINE
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 DIMENSIONS/CAPACITIES/PERFORMANCE . . 41
PREPARING MACHINE FOR OFF- AISLE MACHINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . 42
WAND SCRUBBING: . . . . . . . . . . . . . . . . . . . . 18
OPERATING THE OFF- AISLE WAND: . . . . . 18
DRAINING AND CLEANING TANKS . . . . . . . . . . 19
DRAINING RECOVERY TANK . . . . . . . . . . . . 19
DRAINING SOLUTION TANK . . . . . . . . . . . . . 20
CHARGING BATTERIES . . . . . . . . . . . . . . . . . . . . 20
BATTERY CHARGER SPECIFICATIONS: . . 20
ON- BOARD BATTERY CHARGER
SETTINGS: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
USING THE ON- BOARD BATTERY
CHARGER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
ON- BOARD BATTERY CHARGER ERROR
CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
USING AN OFF- BOARD BATTERY CHARGER
(OPTION) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Tennant T5 (06- 16) 3

OPERATION

IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS

The following warning precautions are used throughout FOR SAFETY:
this manual as indicated in their description:
1. Do not operate machine:
WARNING: To warn of hazards or unsafe - Unless trained and authorized.
practices which could result in severe personal - Unless operator manual is read and
injury or death. understood.
FOR SAFETY: To identify actions which must be - Under the influence of alcohol or drugs.
followed for safe operation of equipment. - While using cell phone or other electronic
devices.
The following information signals potentially - Unless mentally and physically capable of
dangerous conditions to the operator. Know when following machine instructions.
these conditions can exist. Locate all safety devices on - If not in proper operating condition.
the machine. Report machine damage or faulty - In areas where flammable vapors/liquids or
operation immediately. combustible dusts are present.
- In areas that are too dark to safely see the
WARNING: Batteries emit hydrogen gas. controls or operate the machine.
Explosion or fire can result. Keep sparks and open
flame away. Keep battery compartment open when - In areas with possible falling objects.
charging. - With pads or accessories not supplied or
approved by Tennant. The use of other
WARNING: Flammable materials can cause an pads may impair safety.
explosion or fire. Do not use flammable materials - In outdoors areas. This machine is for
in tank(s). indoor use only.

WARNING: Flammable materials or reactive 2. Before starting machine:

metals can cause an explosion or fire. Do not - Check machine for fluid leaks.
pickup. - Make sure all safety devices are in place
and operate properly.
WARNING: Spinning brush. Keep hands away.
3. When using machine:
- Use only as described in this manual.
This machine may be equipped with technology - Go slowly on inclines and slippery
that automatically communicates over the cellular surfaces.
network. If the machine will be operated where cell - Wear closed- toe non- slip shoes.
phone use is restricted because of concerns - Reduce speed when turning.
related to equipment interference, please contact a - Use care when reversing machine.
Tennant representative for information on how to
- Do not carry passengers on machine.
disable the cellular communication functionality.
- Keep children and unauthorized persons
away from machine.
- Do not allow machine to be used as a toy.
- Always follow safety and traffic rules.
- Report machine damage or faulty operation
immediately.
- Follow mixing and handling instructions on
chemical containers.
- Follow site safety guidelines concerning
wet floors.
- Do not scrub on inclines that exceed 5%
grade or transport on inclines that exceed
8%.
4. Before leaving or servicing machine:
- Stop on level surface.
- Set parking brake, if equipped.
- Turn off machine and remove key.

4 Tennant T5 (06- 15)

 OPERATION

5. When servicing machine: 6. When loading/unloading machine onto/off

- All work must be done with sufficient truck or trailer:
lighting and visibility. - Drain tanks before loading machine.
- Keep work area well ventilated. - Lower scrub head and squeegee before
- Avoid moving parts. Do not wear loose tying down machine.
clothing, jewelry and secure long hair. - Turn off machine and remove key.
- Block machine tires before jacking machine - Use a ramp, truck or trailer that will support
up. the weight of the machine and operator.
- Jack machine up at designed locations - Use a winch if ramp incline exceeds a
only. Support machine with jack stands. 19.5% grade level.
- Use hoist or jack that will support the - Set parking brake, if equipped.
weight of the machine. - Block machine wheels.
- Do not power spray or hose off machine. - Use tie- down straps to secure machine.
- Disconnect battery connections and battery
charger before working on machine.
- Keep all metal objects off batteries.
- The use of incompatible battery chargers
may damage battery packs and potentially
cause a fire hazard.
- Inspect charger cord regularly for damage.
- Do not disconnect the charger DC cord
from the machine receptacle when charger
is operating. Arcing may result. If the
charger must be interrupted during
charging, disconnect the AC power supply
cord first.
- Avoid contact with battery acid.
- Use a hoist or adequate assistance when
lifting batteries.
- All repairs must be performed by trained
personnel.
- Do not modify the machine from its original
design.
- Use Tennant supplied or approved
replacement parts.
- Wear personal protective equipment as
needed and where recommended in this
manual.

For Safety: wear protective gloves.

For Safety: wear eye protection.

Tennant T5 (12- 13) 5

OPERATION

SAFETY LABELS

The safety labels appear on the machine in the locations indicated. Replace labels if they are missing or become
damaged or illegible.

WARNING LABEL -
Spinning Pad. Keep
Hands Away.
Located on scrub
head.

WARNING LABEL -
Batteries emit hydrogen
gas. Explosion or fire
can result. Keep sparks
and open flame away
when charging. Keep
battery compartment
FOR SAFETY LABEL - open when charging.
Read manual before Located at bottom side of
operating machine. recovery tank.
Located on recovery tank
cover.

6 Tennant T5 (12- 13)

 OPERATION

MACHINE COMPONENTS

13

14
15
16

28

1
15
2 17 21
20

19

18
6

4
7
22
5 8

23
27
10

25
24

11 26
12
1. Control Handle 16. FaST- PAK Carton Compartment (FaST Model)
2. Control Handle Start Bail ec- H2O System Module (ec- H2O Model)
3. Upper & Lower Control Panels 17. Batteries
4. Recovery Tank Drain Hose 18. Off- Aisle Wand Solution Hose Coupler
5. On- board Battery Charger 19. Recovery Tank
6. Squeegee Lift Lever 20. Recovery Tank Cover
7. Rear Fill-Port 21. Cup Holder
8. Solution Tank Level/Drain Hose 22. Solution Tank
9. Squeegee Vacuum hose 23. Disk Scrub Head
10. Wall Rollers 24. Pad Release Plunger
11. Squeegee Assembly 25. Pad Driver Window
12. Solution Tank Clean-Out Port 26. Scrub Head Skirt
13. Recovery Tank Support Stand 27. Parking Brake
14. Control Board 28. Cylindrical Brush Scrub Head
15. Bucket Fill Port/Clean- out Port

Tennant T5 (09- 08) 7

OPERATION

CONTROL PANEL COMPONENTS

3 5

4 6

8 9

10

ec- H2O Model

13

14

15

12 11 12

1. Speed control knob 9. Battery charge level indicator

2. 1- STEP scrub button 10. Emergency shut- off button
3. Brush pressure increase button (+) 11. Off- Aisle wand on/off switch (option)
4. Brush pressure decrease button (- ) 12. FaST system on/off switch (FaST model)
5. Solution flow increase button (+) ec- H2O system on/off switch (ec- H2O model)
6. Solution flow decrease button (- ) 13. ec- H2O system indicator light (ec- H2O model)
7. Fault indicator - Contact Service 14. Main power on/off key switch
8. Supervisor Control indicator - Lockout feature 15. Hour meter

8 Tennant T5 (09- 08)

 OPERATION

MACHINE INSTALLATION

UNCRATING MACHINE
1. Carefully check the shipping crate for signs of
damage. Report damage at once to carrier.
2. Check the contents list. Contact distributor for
missing items.
Contents:
S 4- 6 V Batteries- Optional FIG. 1
S 3- Battery Cable Jumpers
3. Carefully install the batteries into the battery
S Battery Tray compartment tray (Figure 2). Arrange the battery
S Squeegee Assembly posts as shown (Figure 3).
S 2- Pad drivers (Disk Model)
S 2- Brushes (Cylindrical Brush Model)
3. To uncrate your machine, remove the shipping
hardware and straps that secure the machine to
the pallet. Carefully back machine down ramp.
ATTENTION: Do not roll machine off pallet unless a
ramp is used, machine damage may occur.
ATTENTION: To prevent possible machine damage,
install batteries after removing machine from
shipping pallet.

FIG. 2
INSTALLING BATTERIES
4. Connect the battery cables to the battery posts as
WARNING: Batteries emit hydrogen gas. shown (Figure 3), RED TO POSITIVE (+) and
Explosion or fire can result. Keep sparks and open BLACK TO NEGATIVE (- ).
flame away. Keep battery compartment open when
charging.
180A/5H
FOR SAFETY: When servicing machine, wear 200A/5H
personal protection equipment as needed. Avoid
contact with battery acid. BLACK
Machine
Battery Specifications: Front
Four 6 volt,180A/5h or 200A/5h deep cycle batteries.
Maximum battery dimensions:
190 mm W x 275 mm L x 284 mm H. RED

1. Park the machine on a level surface, remove the

key and set the parking brake.
FOR SAFETY: Before leaving or servicing machine,
stop on level surface, set parking brake if
equipped, turn off machine and remove key. FIG. 3
2. Lift the recovery tank and remove the right side IMPORTANT: If your machine is equipped with the
battery compartment panel (Figure 1). 13mm on- board battery charger, make sure that the
wrench required. charger is properly set for your battery type before
charging (See ON- BOARD CHARGER SETTINGS).

Tennant T5 (12- 13) 9

OPERATION

HOW THE MACHINE WORKS BRUSH AND PAD INFORMATION

Conventional Scrubbing: For best cleaning results use the appropriate brush
Water and detergent from the solution tank flow to the type for your cleaning application. Refer to the Parts
floor through a solution valve. The brushes use the manual for part number information.
detergent and water to scrub the floor clean. As the
Polypropylene Bristle Scrub Brush (Black) -
machine moves forward, the squeegee wipes the dirty
This general purpose polypropylene bristle scrub brush
solution from the floor into the recovery tank.
is used for scrubbing lightly compacted soilage. This
ec-H2O NanoClean Scrubbing (ec-H2O Model): brush works well for maintaining concrete, wood and
When using the ec-H2O NanoClean technology, normal grouted tile floors.
water passes through a module where it is electrically
Soft Nylon Bristle Scrub Brush (White) -
converted into a cleaning solution. The electrically
Recommended for cleaning coated floors without
converted water attacks the dirt, allowing the machine
removing finish. Cleans without scuffing.
to easily scrub away the suspended soil. The converted
water then returns to normal water in the recovery tank. Super Abrasive Bristle Scrub Brush (Gray) -
Nylon fiber impregnated with abrasive grit to remove
Foam Scrubbing (FaST Model):
stains and soilage. Strong action on any surface.
(FaST- Foam activated Scrubbing Technology)
Performs well on buildup, grease, or tire marks.
Unlike conventional scrubbing, the FaST system injects
the FaST- PAK concentrate formula with a small Polishing Pad (White) -
amount of water and air onto the floor. The mixture Used to maintain highly polished or burnished floors.
creates a large volume of expanded wet foam for the Buffing Pad (Red) - Used for light duty scrubbing
brush to scrub the floor clean. As the machine moves without removing floor finish.
forward, the foam collapses and the squeegee
recovers the dirty solution into the recovery tank Scrubbing Pad (Blue) - Used for medium to
leaving the floor clean dry and slip free. heavy- duty scrubbing. Removes dirt, spills, and scuffs
and leaves surface clean ready for recoating.
Stripping Pad (Brown) - Used for stripping of floor
finish to prepare the floor for recoating.
Heavy Duty Stripping Pad (Black) - Used for
aggressive stripping of heavy finishes/sealers, or very
heavy duty scrubbing.

10 Tennant T5 (06- 15)

 OPERATION

5. Check the squeegee blades for proper deflection.

MACHINE SETUP The blades should deflect as shown (Figure 7).

ATTACHING SQUEEGEE ASSEMBLY

FOR SAFETY: Before leaving or servicing machine,

stop on level surface, set parking brake if
equipped, turn off machine and remove key.
1. Park the machine on a level surface, remove the
key and set the parking brake if equipped.
2. Lift the squeegee lift lever to the upward position
(Figure 4).
FIG. 7
6. To adjust the blade deflection, place the squeegee
assembly on a level surface and adjust the casters
as shown (Figure 8).

2 mm
FIG. 4
3. Mount the squeegee assembly to the squeegee Lock Nut
pivot bracket and secure with knobs (Figure 5).

FIG. 8

INSTALLING BRUSHES/PADS

FOR SAFETY: Before leaving or servicing machine,

stop on level surface, set parking brake if
equipped, turn off machine and remove key.
Disk Model:
1. Raise scrub head off the floor and remove key.

FIG. 5 2. Attach the pad to the pad driver before installing

the driver. Secure pad with centerlock (Figure 9).
4. Connect the vacuum hose to the squeegee
assembly. Loop the hose as shown using the hose
clip provided (Figure 6).

FIG. 9

FIG. 6

Tennant T5 (12- 13) 11

OPERATION

3. Set the yellow spring clips to the open position to Cylindrical Brush Model:
make brush installation easier. Press clips down
1. Raise scrub head off the floor and remove key.
and outward to set (Figure 10).
2. Remove idler plate from scrub head by pressing
the spring tab downward (Figure 13).

FIG. 10
4. Align the pad driver or brush under the motor hub
and push it upward to engage hub (Figure 11). FIG. 13
3. Attach idler plate to the brush end that has the
double row of bristles (Figure 14). Install brush.
Double row of
bristles

FIG. 11
5. To remove the pad driver or brush, raise the scrub
head and push the pad release plunger downward FIG. 14
(Figure 12).
4. Check the brushes to ensure they are properly
adjusted (See ADJUSTING SCRUB HEAD
BRUSHES).

FIG. 12
6. Check the scrub head to ensure that it is properly
adjusted (See ADJUSTING SCRUB HEAD
BRUSHES).

12 Tennant T5 (06- 16)

 OPERATION

ec-H2O NanoClean WATER CONDITIONING INSTALLING FaST- PAK CARTON (FaST Model)
CARTRIDGE (ec-H2O NanoClean model) ATTENTION: The FaST- PAK Concentrate Formula
(ec-H2O models labeled ec-H2O NanoClean) is specifically designed for the FaST system.
NEVER use a substitute. Machine damage may
The ec-H2O system is equipped with a water result.
conditioning cartridge. The cartridge is designed to
protect the machine’s plumbing system from potential 1. Pull out the hose connector from the FaST- PAK
scaling. The cartridge is located behind the right side carton and remove cap (Figure 17).
brush motor (Figure 15).
The cartridge is required to be replaced when it reaches
its maximum water usage or expiration time of when the
cartridge was activated, which ever comes first.
Depending on machine usage a new cartridge can last
up to 24 months.

FIG. 17
2. Open the battery compartment. Connect the
FaST- PAK carton to the supply hose and place
carton in compartment (Figure 18). Make sure the
hose does not get pinched.
FIG. 15
All cartridges are labeled with a manufacture date. The
shelf-life of an un-installed cartridge is one year from
manufacture date. For new cartridge replacement, the
ecH2O module timer must be reset. See ec-H2O
NanoClean WATER CONDITIONING CARTRIDGE
REPLACEMENT.
ATTENTION: During first time use and after replacing
the water conditioning cartridge, the ec-H2O system
will automatically override the selected solution flow
rate for up to 75 minutes.
The ec-H2O system indicator light will blink green/red FIG. 18
when it’s time to replace cartridge (Figure 16). 3. When the supply hose is not in use, connect the
storage plug to prevent the FaST system from
drying out and clogging up the hose. (Figure 19).

FIG. 16

FIG. 19

Tennant T5 (06- 15) 13

OPERATION

FILLING SOLUTION TANK MACHINE OPERATION

FOR SAFETY: Before leaving or servicing machine,
stop on level surface, set parking brake if
equipped, turn off machine and remove key. FOR SAFETY: Do not operate machine unless
operator manual is read and understood.
Using a hose or bucket, fill the solution tank to the
“MAX 85L” mark with water (Figure 20). PRE- OPERATION CHECKS
For Conventional Scrubbing: The water temperature
- Sweep area.
must not exceed 60C. Pour a recommended cleaning
detergent into the solution tank according to mixing - Check the battery charge level indicator.
instructions on the container. - Check the brushes/pads for wear.
For FaST or ec- H2O Scrubbing: Use cool clean - Check the squeegee blades for wear and proper
water only (less than 21C). Do not add any adjustment.
conventional floor cleaning detergents, system failure
- Check the machine for fluid leaks.
may result.
- Make sure the recovery tank is empty and the float
shut- off screen is installed and clean.
- Check the scrub head skirt for wear.
- For FaST Scrubbing: Check the FaST- PAK
concentrate level.
- For FaST or ec- H2O Scrubbing: Make sure the
solution tank is filled with cool clean water only.
- For FaST or ec- H2O Scrubbing: Ensure that all
conventional cleaning agents are drained and
rinsed from solution tank.

STARTING THE MACHINE

1. Release the parking brake if equipped (Figure 21).
FIG. 20 2. Turn the key to the on ( I ) position (Figure 21).
ATTENTION: For conventional scrubbing, only use
commercially approved cleaning detergents.
Machine damage due to improper detergent usage
will void the manufacturer’s warranty.

WARNING: Flammable materials can cause an

explosion or fire. Do not use flammable materials
in tank(s).

FIG. 21
3. FaST Model: Press the FaST system switch to the
on ( I ) position (Figure 22).
ec- H2O Model: Press the ec- H2O system switch
to the on ( I ) position (Figure 22). The ec- H2O
system indicator light will not turn on until the
machine starts scrubbing.
ATTENTION: ec-H2O NanoClean Models- During first
time use and after replacing the water conditioning
cartridge, the ec-H2O system will automatically
override the selected solution flow rate for up to 75
minutes.

14 Tennant T5 (06- 15)

 OPERATION

FIG. 22 FIG. 25
IMPORTANT: NEVER turn the FaST/ec- H2O system 7. Adjust the speed control knob to a desired
switch on when conventional scrubbing. Conventional scrubbing speed (Figure 26).
cleaning detergents/restorers may cause failure to the
FaST/ec- H2O solution system. Drain, rinse and refill NOTE: 45- 60 meters per minute is the recommended
scrubbing speed.
solution tank with cool clean water before operating the
FaST/ec- H2O system.
4. Lower the squeegee assembly to floor by lowering
the squeegee lift lever (Figure 23).

FIG. 26
8. Press the brush pressure and solution flow buttons
to increase (+) or decrease (- ) as needed (Figure
27). To shut off the solution flow, continue to press
FIG. 23
the decrease button (- ) until the lights turn off.
5. Press the 1- STEP scrub button (Figure 24).

FIG. 27
FIG. 24
NOTE: The solution flow cannot be adjusted when the
6. Pull the control handle bail to start scrubbing machine is set for FaST scrubbing or for ec-H2O
(Figure 25). To reverse the machine, simply push scrubbing on ec-H2O models manufactured before
the control handle bail forward. Raise squeegee ec-H2O NanoClean models.
when reversing machine.

Tennant T5 (06- 15) 15

OPERATION

ec-H2O NanoClean Models 4. Conventional scrubbing: Pour a commercially

(ec-H2O models labeled ec-H2O NanoClean) approved foam control solution into the recovery
tank if excessive foam appears.
To adjust the solution flow rate when ec-H2O
scrubbing, press the solution flow button located on ATTENTION: Do not allow foam to enter the float
the ec-H2O module (Figure 28). One LED= low, shut-off screen, vacuum motor damage will result.
two LED’s=medium, and three LED’s= high (Figure Foam will not activate the float shut-off screen.
28). The ec-H2O module is located under the
5. For heavily soiled areas, use the double scrubbing
recovery tank. Drain recovery tank before lifting
method. First scrub the area with the squeegee up,
tank.
let solution set for 3- 5 minutes, then scrub the area
a second time with squeegee down.
6. When leaving the machine unattended, remove the
key and set the parking brake, if equipped.
7. If the machine detects a fault, the control panel
lights will blink a fault code (See CONTROL
PANEL FAULT INDICATOR CODES).
8. ec-H2O NanoClean Models
(ec-H2O models labeled ec-H2O NanoClean
models)
FIG. 28 If the ec-H2O system indicator light begins to blink
green/red, the water conditioning cartridge needs
9. To stop scrubbing, release the control handle bail, to be replaced (Figure 30). See ec-H2O
press the 1- STEP scrub button and raise the NanoClean WATER CONDITIONING CARTRIDGE
squeegee. REPLACEMENT.

EMERGENCY SHUT- OFF BUTTON

Strike the emergency emergency shut- off button, if
equipped, in the event of an emergency (Figure 29).
This button shuts off all power to machine. Turn the
button clockwise and restart the key to regain power.

FIG. 30

ec-H2O SYSTEM
INDICATOR LIGHT CODE CONDITION
Solid green Normal operation
Blinking green/red Water conditioning
cartridge expired.
Replace cartridge.
FIG. 29
Solid or blinking* red Contact Service Center

WHILE OPERATING MACHINE *Verify if cleaning detergent was added to solution tank.
If ec-H2O system was operated with cleaning
WARNING: Flammable materials or reactive detergent, drain solution tank, add clear water and
metals can cause an explosion or fire. Do not operate the ec-H2O system until the indicator light
code clears.
pickup.
1. Overlap each scrub path by 5 cm.
2. Keep the machine moving to prevent damage to
floor finish.
3. Do not operate machine in areas where the
ambient temperature is above 43 C (110 F). Do
not operate scrubbing functions in areas where the
ambient temperature is below freezing 0 C (32 F)

16 Tennant T5 (12- 13)

 OPERATION

ec-H2O Models
(ec-H2O models manufactured before ec-H2O BATTERY CHARGE LEVEL INDICATOR
NanoClean)
The battery charge level indicator displays the charge
If an alarm sounds and the ec- H2O system indicator level of the batteries (Figure 32). When the batteries
light begins to blink red, the ec- H2O module must be are fully charged, all five indicator lights will glow. As
flushed to resume ec- H2O operation (See ec- H2O the batteries discharge, the indicator lights will begin to
MODULE FLUSH PROCEDURE) (Figure 31). go out from right to left.
NOTE: When the alarm sounds and the light blinks red, When the discharge level reaches the red light, the
the machine will bypass the ec- H2O system. To operator will have approximately one minute to
continue scrubbing, turn the ec- H2O switch off and continue scrubbing. When the red light begins to flash
change over to conventional scrubbing. the scrubbing functions will automatically shut off to
ATTENTION: (ec- H2O model) Do not allow solution alert the operator to recharge the batteries. By pressing
tank to run dry. ec- H2O module failure may result the 1- STEP Scrub button, when the red light is
if operated without water for an extended period. flashing, the operator will get an additional minute of
scrubbing.

FIG. 31
FIG. 32
ec- H2O SYSTEM
INDICATOR LIGHT CODE CONDITION
Solid green Normal operation
Blinking red Flush ec- H2O module
Solid red Contact Service Center

Tennant T5 (06- 15) 17

OPERATION

3. Using the hose adapter, connect the squeegee

HOUR METER hose to the wand hose (Figure 35).
The hour meter records the number of total hours the
vacuum and brush motors have been powered on. Use
the hour meter to determine when to perform
recommended maintenance procedures and to record
service history (Figure 33). See MOTOR
MAINTENANCE.

FIG. 35
4. Attach the off- aisle wand to the hoses (Figure 36).

FIG. 33

OFF- AISLE WAND SETUP AND OPERATION

If your machine is equipped with the off- aisle wand
option, this allows you to scrub areas where the
machine is unable to reach.

Preparing Machine for Off- Aisle Wand Scrubbing: FIG. 36

1. Park the machine on a level surface, turn key off Operating the Off- Aisle Wand:
and set parking brake if equipped.
1. Turn the key and wand switch to the on ( I )
FOR SAFETY: Before leaving or servicing machine, position (Figure 37). The FaST/ec- H2O system
stop on level surface, set parking brake if equipped switch is disabled when operating the wand.
and turn off machine.
2. Connect the solution hose to the coupler at the
lower right side of machine (Figure 34).

FIG. 37

FIG. 34

18 Tennant T5 (09- 08)

 OPERATION

2. Lower the squeegee to activate the vacuum motor

(Figure 38). DRAINING AND CLEANING TANKS

After each use, the tanks should be drained and cleaned.

FOR SAFETY: Before leaving or servicing machine,
stop on level surface, set parking brake if
equipped, turn off machine and remove key.

DRAINING RECOVERY TANK

1. Transport machine to disposal area and turn key
switch off.
2. While holding the drain hose upward, remove the
cap and lower hose to drain (Figure 40).
FIG. 38
3. Squeeze trigger to activate solution. Use brush for
scrubbing and squeegee for pickup (Figure 39).

WARNING: Flammable materials or reactive

metals can cause an explosion or fire. Do not
pickup.

FIG. 40
3. After draining, open the recovery tank and clean
out the tank (Figure 41).

FIG. 39
4. After scrubbing, turn off the wand switch and
squeeze the trigger for five seconds to relieve the
water pressure before disconnecting the solution
hose.

FIG. 41
4. Clean the float shut-off screen and debris tray
located in the recovery tank (Figure 42).

FIG. 42

Tennant T5 (12- 13) 19

OPERATION

DRAINING SOLUTION TANK CHARGING BATTERIES

1. To drain remaining water from the solution tank,
pull the solution tank level hose off the hose fitting
(Figure 43). FOR SAFETY: When servicing machine, wear
personal protection equipment as needed. Avoid
contact with battery acid.
The lifetime of the batteries depends on their proper
maintenance. To get the most life from the batteries:
S Do not charge the batteries more than once a day
and only after running the machine for a minimum of
15 minutes.
S Do not leave the batteries partially discharged for
long period of time.
S Only charge the batteries in a well-ventilated area to
FIG. 43 prevent gas build up. Charge batteries in areas with
ambient temperatures 80F / 27C or less.
2. To rinse out the solution tank remove the clean- out
cap at the rear of the machine and spray water S Allow the charger to complete charging the batteries
directly into the clean-out ports (Figure 44). before re-using the machine.
S Maintain the proper electrolyte levels of flooded (wet)
batteries by checking levels weekly (See BATTERY
MAINTENANCE).

WARNING: Batteries Emit Hydrogen Gas.

Keep Sparks And Open Flame Away. Keep Battery
Compartment Open When Charging.

BATTERY CHARGER SPECIFICATIONS:

S CHARGER TYPE:
FIG. 44 - FOR SEALED (Gel) BATTERIES
- FOR WET (Lead acid) BATTERIES
3. Clean the solution tank filter (Figure 45).
S OUTPUT VOLTAGE - 24 VOLTS
S OUTPUT CURRENT - 20 AMPS
S AUTOMATIC SHUTOFF CIRCUIT
S FOR DEEP CYCLE BATTERY CHARGING

FIG. 45

20 Tennant T5 (06- 16)

 OPERATION

Charger Version 3.4 or Earlier

ON- BOARD BATTERY CHARGER SETTINGS:
Display Code Battery Type
If your machine is equipped with the on- board charger, 00c GEL Gel (Sealed)
the charger settings must be set for your battery type. 01c Acd Lead Acid (Wet)
Failure to properly set will result in battery damage.
The factory setting is set for the Exide Gel battery. To change the setting, unplug the charger, peel up the
corner of the display label to access the switches
To determine your battery type, see battery label.
(Figure 46).
Contact your battery supplier if not specified.
To verify the setting of the charger, connect the charger
cord into an electrical receptacle. The charger will
display a sequence of codes at start up as follows:
SPE, U3.5, 24V, 20A, 02c, GEL. The fifth and sixth
codes are the battery type “02c” and “GEL” .
NOTE: The second code “U3.5” is charger version 3.5.
If the display codes do not match your battery type as
shown in the tables, change the settings accordingly.

Charger Version 3.5

Display Code Battery Type FIG. 46
02c GEL Exide Gel
Set the charger switches to your battery type (Fig. 47).
01c Acd Lead Acid (Wet) The charger cord must be unplugged when resetting.
03c GEL Gel (Generic)
Charger Version 3.5

Exide GEL BATTERY LEAD ACID BATTERY

Generic GEL BATTERY

Charger Version 3.4 or earlier

GEL BATTERY LEAD ACID BATTERY

FIG. 47

Tennant T5 (12- 13) 21

OPERATION

USING THE ON- BOARD BATTERY CHARGER

IMPORTANT: Before charging, make sure that the
charger setting is properly set for your battery type
(See ON- BOARD CHARGER SETTINGS).
1. Transport the machine to a well- ventilated area.
2. Park the machine on a flat, dry surface. Turn the
key off and set the parking brake, if equipped.
FOR SAFETY: Before leaving or servicing machine,
stop on level surface, set parking brake if
equipped, turn off machine and remove key.
3. If charging wet (lead acid) batteries check the fluid
level before charging (See BATTERY
MAINTENANCE).
4. Prop up the recovery tank for ventilation
(Figure 48).

FIG. 48
5. Connect the charger’s AC power supply cord into a
properly grounded receptacle (Figure 49).
NOTE: The machine will not operate when charging.

FIG. 49

22 Tennant T5 (NIL)
 OPERATION

6. By pressing the arrow button on the charger you 7. Once the charging cycle begins, the indicator lights
can view the following information (Figure 50). will progress from red, yellow to green. When the
Three- digits + the following code: green indicator light comes on, the charging cycle
is done. Unplug the charger cord.
A = Charging current
U = Battery Voltage If the charger detects a problem, the charger will
h = Charging time display an error code (See ON- BOARD BATTERY
CHARGER ERROR CODES).
C = Charging ampere- hours [Ah]
E = Energy used [Kwh]

FIG. 50

ON- BOARD BATTERY CHARGER ERROR CODES

DISPLAY CODE FAULT SOLUTION

bat Loose or damaged battery cable Check battery cable connections.
Battery exceeded maximum voltage level. No action necessary.
E01 Exceeded maximum battery voltage allowed. No action necessary.
E02 Safety thermostat exceeded maximum inter- Check if the charger vents are obstructed.
nal temperature.
E03 Exceeded maximum time for charging phase Repeat the charging cycle and if the error
leaving the batteries undercharged due to a code E03 reappears check battery or re-
sulfated or faulty battery. place it.
SCt Safety timer exceeded maximum charging Replace battery.
time. Interrupts charging cycle.
Srt Possible internal short circuit. Contact Service Center.

Tennant T5 (03- 08) 23

OPERATION

USING AN OFF- BOARD BATTERY CHARGER ADJUSTING SCRUB HEAD BRUSHES

(OPTION)
FOR SAFETY: When servicing machine, the use of
incompatible battery chargers may damage battery To ensure optimum scrubbing performance periodically
packs and potentially cause a fire hazard. Inspect check the scrub head for proper adjustment.
charger cord regularly for damage.
FOR SAFETY: Before leaving or servicing machine,
1. Transport the machine to a well- ventilated area.
stop on level surface, set parking brake if
2. Park the machine on a flat, dry surface. Turn the equipped, turn off machine and remove key.
key off and set the parking brake, if equipped.
FOR SAFETY: Before leaving or servicing machine,
stop on level surface, set parking brake if DISK MODEL
equipped, turn off machine and remove key. Tools required: Measuring device, 27mm wrench and
3. If charging wet (lead acid) batteries, check the fluid 24mm wrench
level before charging (See BATTERY
MAINTENANCE). 1. With brushes installed, lower the scrub head and
apply medium brush pressure.
4. Prop up the recovery tank for ventilation
(Figure 51). 2. Turn machine off and remove key.
3. From the center front and back of scrub head,
measure the distance from the top edge of scrub
head to the floor (Figure 53).

FIG. 51
5. Connect the charger’s AC power supply cord into a
properly grounded receptacle.
FIG. 53
6. Connect the charger’s DC cord into the machine’s
battery receptacle (Figure 52). 4. If scrub head is not level, loosen the lock nut and
turn the scrub head leveling screw to level. Tighten
down the lock nut once head is level (Figure 54).

Lock
Nut

FIG. 52
7. The supplied charger will automatically begin FIG. 54
charging and shut off when fully charged.
NOTE: The machine will not operate when charging.
FOR SAFETY: Do not disconnect the charger’s DC
cord from the machine’s receptacle when the
charger is operating. Arcing may result. If the
charger must be interrupted during charging,
disconnect the AC power supply cord first.

24 Tennant T5 (12- 13)

 OPERATION

To Adjust an Uneven Brush Pattern:

CYLINDRICAL BRUSH MODEL
Tools required: Measuring device, 27mm wrench and
After installing a new set of cylindrical brushes check 24mm wrench
the brush pattern to ensure proper brush adjustment. 1. Measure the distance from the front edge of the
Brushes that are not properly adjusted will result in scrub head to the floor and from the back edge of
premature wear and poor scrubbing performance the scrub head to the floor (Figure 57). The
(Figure 55). measurements should be the same.
CORRECT BRUSH PATTERN

Even
Pattern

Uneven Tapered
Pattern Pattern
INCORRECT BRUSH PATTERNS

FIG. 55 FIG. 57
To Inspect the Brush Pattern: 2. To level the scrub head, loosen the lock nut and
turn the leveling screw clockwise to lower the rear
1. Position the machine on a dry dusty floor or apply a of the scrub head or counter- clockwise to lower the
powdered substance, such as chalk.
front (Figure 58).
2. Disconnect the drive motor wire connector to keep
machine from moving forward (Figure 56).

FIG. 58
3. Recheck brush pattern.
FIG. 56 NOTE: Replace brushes when worn to 15mm.
3. Lower the scrub head to the floor and apply
maximum brush pressure.
4. Shut off the solution flow.
5. Pull the control handle bail to create a brush
pattern on the floor.
6. Raise the scrub head and pull the machine away.
7. Observe the brush pattern on floor. If the brush
pattern is uneven or tapered, adjustment is
required.
8. Reconnect drive motor wire.

Tennant T5 (06- 06) 25

OPERATION

To Adjust a Tapered Brush Pattern:

Tools required: 10mm wrench and 6mm hex wrench
1. Raise the scrub head off floor and remove key.
2. Remove the idler plate from the brush (Figure 59).

FIG. 59
3. Hold the brush plug shaft with a wrench and loosen
the 6mm hex screw (Figure 60).

FIG. 60
4. To lower the brush end, turn the shaft clockwise for
the front brush and counter- clockwise for the rear
brush. Retighten hex screw (Figure 61).

FIG. 61
5. Recheck brush pattern.
NOTE: Replace brushes when worn to 15mm.

26 Tennant T5 (06- 06)

 MAINTENANCE

MAINTENANCE CHART

8
4

12 1

11

13
5 14 10
2
9

O = Operator T = Trained Personnel

Interval/ Person
Hours Resp. Key Description Procedure
Daily O 1 Squeegee Check for damage and wear
O 2 Scrub brushes and pads Check for damage and wear
O 3 Recovery tank Clean tank. Clean debris tray.
O 4 Solution tank Clean
O Machine Check for leaks
O 5 Disk scrub head skirt Check for damage and wear
O 6 Cylindrical scrub head skirt Check adjustment. Check for damage
and wear.
O 7 FaST PAK supply hose and connector Clean and connect hose to storing plug
(option) when not in use
Weekly O 8 Battery cells Check electrolyte level
50 Hours O 9 Cylindrical brushes Check taper and rotate front to rear
100 Hours O 10 Cylindrical scrub brush drive belts Check tension
200 Hours O 8 Battery terminals and cables Check and clean
750 Hours T 11 Vacuum fan motor Replace carbon brushes
T 12 Disk brush motors Replace carbon brushes
T 13 Propelling motor Replace carbon brushes
1000 Hours T 14 Cylindrical brush motors Replace carbon brushes
T 7 FaST water and air filters Replace

Tennant T5 (12- 13) 27

MAINTENANCE

4. Remove the debris tray and empty (Figure 65)

MACHINE MAINTENANCE

To keep the machine in good working condition, it’s

important that the following maintenance procedures
are performed on a routine basis.
FOR SAFETY: Before leaving or servicing machine,
stop on level surface, turn off machine, remove key
and set parking brake if equipped.
FOR SAFETY: When servicing machine, wear
personal protection equipment as needed.

DAILY MAINTENANCE (After Every Use) FIG. 65

1. Drain the recovery tank (Figure 62). 5. Drain the solution tank (Figure 66).

FIG. 62 FIG. 66
2. Rinse and clean out the recovery tank (Figure 63). 6. Clean the solution tank filter (Figure 67).

FIG. 63 FIG. 67
3. Remove the recovery tank float shut- off screen 7. Rotate pad or replace when worn (Figure 68).
and clean (Figure 64).

Disk Model
FIG. 68
FIG. 64

28 Tennant T5 (12- 13)

 MAINTENANCE

8. Replace brushes when they no longer clean 11. Remove debris buildup from the underside of the
effectively or when the bristles are worn to the cylindrical brush scrub head, including the idler
yellow indicator (Figure 69). plates and drive hubs (Figure 72).

Cylindrical Brush Model

FIG. 69 FIG. 72
9. Empty and rinse out the debris trough (Figure 70). 12. Wipe the squeegee blades clean (Figure 73). Store
the squeegee assembly in the raised position to
prevent blade damage.

Cylindrical Brush Model

FIG. 70
10. Inspect the cylindrical brushes for wear. Rotate
FIG. 73
brushes from front- to- rear every 50 hours (Figure
71). Replace when worn to a length of 15mm. 13. Check the condition of the squeegee blade wiping
edge (Figure 74). Rotate blade if worn (See
SQUEEGEE BLADES).

15mm

Cylindrical
Brush Model
FIG. 71

FIG. 74

Tennant T5 (06- 16) 29

MAINTENANCE

14. Clean the machine with an all purpose cleaner and

damp cloth (Figure 75).
FOR SAFETY: When servicing machine, do not
power spray or hose off machine.

FIG. 78
18. Check the battery electrolyte level weekly (See
BATTERY MAINTENANCE).
19. Clean wet/lead acid batteries to prevent corrosion
FIG. 75 and check for loose battery cable connections (See
BATTERY MAINTENANCE).
15. Inspect the condition of the scrub head skirt,
replace if worn or damaged (Figure 76).
MONTHLY MAINTENANCE
1. Periodically check the belt tension on the two brush
motors. Tighten the belt if you’re able to twist it
beyond 90_ at midpoint (Figure 79).
FOR SAFETY: Before leaving or servicing machine,
stop on level surface, turn off machine, remove key
and set parking brake if equipped.

Cylindrical Brush Model

FIG. 76
16. FaST Model: Connect the FaST- PAK supply hose
to the storage plug when not in use (Figure 77).
Remove any dried concentrate from the hose
connector by soaking it in warm water.

Cylindrical Brush Model

FIG. 79
2. Inspect and clean the recovery tank cover seal
(Figure 80). Replace if damaged.

FIG. 77
17. Recharge the batteries (Figure 78). See
CHARGING BATTERIES.

FIG. 80

30 Tennant T5 (06- 16)

 MAINTENANCE

3. Lubricate all pivot points and rollers with a water

resistant grease.
4. Lubricate the casters with a water resistant grease
(Figure 81).

Before Charging After Charging

FIG. 81
5. Clean the parking brake clamp with a cleaning
solvent.
6. Check the machine for loose nuts and bolts.
7. Check the machine for leaks.
FIG. 82

BATTERY MAINTENANCE NOTE: Make sure the battery caps are in place while
charging. There may be a sulfur smell after charging
FOR SAFETY: Before leaving or servicing machine, batteries. This is normal.
stop on level surface, turn off machine, remove key
and set parking brake if equipped. CHECKING CONNECTIONS / CLEANING
FOR SAFETY: When servicing machine, wear After every 200 hours of use, check for loose battery
personal protection equipment as needed. Avoid connections and clean the surface of the batteries,
contact with battery acid. including terminals and cable clamps to prevent battery
corrosion. Use a scrub brush with a strong mixture of
MAINTENANCE-FREE BATTERIES baking soda and water (Figure 83). Do not remove
Maintenance-free (Sealed AGM) batteries do not battery caps when cleaning batteries.
require watering. Cleaning and other routine
maintenance is still required.
FLOODED (WET) LEAD-ACID BATTERIES
The flooded (wet) lead-acid batteries require routine
watering as described below. Check the battery
electrolyte level weekly.
The electrolyte level should be slightly above the
battery plates as shown before charging (Figure 82).
Add distilled water if low. DO NOT OVERFILL. The
electrolyte will expand and may overflow when
charging. After charging, distilled water can be added
up to about 3 mm (0.12 in) below the sight tubes. FIG. 83

Tennant T5 (06- 16) 31

MAINTENANCE

2. Replace or rotate the rear blade to a new wiping

SQUEEGEE BLADES edge and replace band (Figure 86).
FOR SAFETY: Before leaving or servicing machine,
stop on level surface, turn off machine, remove key
and set parking brake if equipped.
When the blades become worn, simply rotate the
blades end-for-end or top-to-bottom to a new wiping
edge. Replace blades when all edges are worn.
The front blades on the 700mm/800mm squeegee
assemblies have 12/14 slots on one edge and 6 slots
on the opposite edge (Figure 84). If making sharp turns
with the cylindrical brush models use the 12/14 slotted
edge for maximum water pickup.
6 Slots on one
FIG. 86
edge 3. To change the front blade, remove the band and
loosen the four knobs. Replace or rotate the front
blade to a new wiping edge (Figure 87).

12/14 Slots on
opposite edge

FIG. 84

Replacing Squeegee Blades:

1. Loosen the band clamp and remove the band from
the squeegee assembly (Figure 85). FIG. 87

MOTOR MAINTENANCE
Replace motor carbon brushes as indicated. Contact
trained personnel for carbon brush replacement.

Carbon Brush Replacement Hours

Drive Transaxle Motor
Vacuum Motor 750
Disk Brush Motors
Cylindrical Brush Motors 1000
FIG. 85

32 Tennant T5 (12- 13)

 MAINTENANCE

FaST SYSTEM MAINTENANCE ec-H2O NanoClean WATER CONDITIONING

CARTRIDGE REPLACEMENT
Every 1000 hours replace the water filter and air filter
(ec-H2O models labeled ec-H2O NanoClean)
located in the FaST detergent injector.
The water conditioning cartridge is required to be
FOR SAFETY: Before leaving or servicing machine, replaced when it reaches its maximum water usage or
stop on level surface, turn off machine, remove key expiration time of when the cartridge was activated,
and set parking brake if equipped.
which ever comes first. The ec-H2O system indicator
1. To access the detergent injector assembly, lower light will blink green/red when it’s time to replace
the scrub head and remove the front shroud cartridge.
(Figure 88)
Depending on machine usage, on average, a new
cartridge can last anywhere from 12 months for heavy
machine usage to 24 months for light machine usage.
ATTENTION: During first time use and after replacing
the water conditioning cartridge, the ec-H2O system
will automatically override the selected solution flow
rate for up to 75 minutes.
1. Park the machine on a level surface, lower scrub
head and remove the key. Set parking brake, if
equipped.
2. Remove front shroud to access cartridge. The
cartridge is located behind the right side brush
FIG. 88 motor (Figure 91). Unfasten strap around cartridge
and remove cartridge from holder.
2. Remove the injector assembly from clamps
(Figure 89).

FIG. 91
3. Disconnect the two hose connectors from cartridge
by pressing the gray collars inward and pulling the
FIG. 89
connectors outward (Figure 92).
3. Replace the water and air filter. An 8mm hex wrench
is required to install the new water filter (Figure 90).

Water Filter
(50 Mesh/Brown)

Gray Collar

FIG. 92
Air Filter
(50 Mesh/Brown)

FIG. 90

Tennant T5 (06- 15) 33

MAINTENANCE

4. Fill in the installation date on the new cartridge

label (Figure 93). ec- H2O MODULE FLUSH PROCEDURE
(ec-H2O models manufactured before ec-H2O
NanoClean models)
This procedure is only required when an alarm sounds
and the ec- H2O system indicator light begins to blink
red.
FOR SAFETY: Before leaving or servicing machine,
stop on level surface, turn off machine, remove key
and set parking brake if equipped.
1. Drain the solution tank and recovery tank of all
FIG. 93 water.

5. Reconnect the two hoses to new cartridge and 2. Pour 1 gallon (4 liters) of white or rice vinegar into
re-strap cartridge to holder. Make sure the hose the solution tank at full strength. Do not dilute.
connectors are fully inserted into new cartridge. (p/n 1050552 - Vinegar, 2.5 gals/10 ltrs)

6. Reset timer for new cartridge. NOTE: Use white or rice vinegar only. The acidity
level should be between 4- 8%. Do not use other acids
Carefully read and understand all steps first before for this procedure.
performing procedure.
3. Disconnect the black connector fitting at the scrub
a. Turn key on. head and place the hose into a bucket (Figure 95).
b. Press and hold the service switch, located on To access the connector fitting, you may have to
the ec-H2O module, for 10 seconds. After remove the front cover from the machine.
releasing service switch, the three solution flow
indicator lights will begin to (ripple) move back
and forth (Figure 94).
c. Within 5 seconds after releasing the service
switch, while the three indicator lights are
moving back and forth, quickly press and
release the solution flow button located on
ec-H2O module (Figure 94).
The three indicator lights will then blink three
times to indicate timer has been reset.
Repeat process if the three indicator lights do
not blink three times.

Service switch FIG. 95

3 indicator lights 4. Turn the key to the on ( I ) position.
5. Press and release the ec- H2O module flush switch
to start the flush cycle (Figure 96). The module is
located under the recovery tank.
NOTE: The module will automatically shut off when the
Solution flow button flush cycle is complete (approx. 7 minutes). The
module must run the full 7 minute cycle in order to
reset the system indicator light and alarm.
FIG. 94 Repeat flush procedure if the ec- H2O module does
not reset. If module fails to reset, contact an
Authorized Service Center.

34 Tennant T5 (06- 15)

 MAINTENANCE

TRANSPORTING MACHINE

When transporting the machine by trailer or truck, be

certain to follow the transporting procedure below:
1. Drain machine tanks.
2. Load the machine using a ramp that can support
the machine weight and person loading it.
FOR SAFETY: When loading/unloading machine
FIG. 96
onto/off truck or trailer, use a ramp, truck or trailer
that will support the weight of the machine and
operator. Use tie- down straps to secure machine
JACKING UP MACHINE to truck or trailer.
3. Position the front of machine up against the front of
FOR SAFETY: Before leaving or servicing machine, the trailer or truck. Lower the scrub head and
stop on level surface, turn off machine, remove key squeegee.
and set parking brake if equipped. 4. Set the parking brake, if equipped, and place a
Use the designated locations to jack up the machine for block behind each wheel to prevent the machine
service (Figure 97). Empty the recovery and solution from rolling.
tank and position the machine on a level before jacking. 5. Secure with tie- down straps as shown (Figure 98).
FOR SAFETY: When servicing machine, jack It may be necessary to install tie-down brackets to
machine up at designated locations only. Use jack trailer or truck.
or hoist that will support machine weight. Block
machine up with jack stands.

FIG. 98

FIG. 97 STORING MACHINE

1. Charge the batteries before storing machine to

prolong the life of the batteries. Recharge batteries
once a month.
2. Disconnect batteries before storing.
3. Drain and rinse the tanks thoroughly.
4. Store the machine in a dry area with the squeegee
and scrub head in the up position.
5. Open the recovery tank cover to promote air
circulation.
ATTENTION: Do not expose machine to rain, store
indoors.
6. If storing machine in freezing temperatures, follow
the FREEZE PROTECTION instructions below.

Tennant T5 (06- 16) 35

MAINTENANCE

Flushing antifreeze from ec- H2O module:

FREEZE PROTECTION
(ec-H2O models manufactured before ec-H2O
FOR SAFETY: Before leaving or servicing machine, NanoClean models)
stop on level surface, turn off machine, remove key
and set parking brake if equipped. 1. Drain the antifreeze from the solution tank into a
bucket.
1. Drain the solution tank and recovery tank of all
water. 2. Fill the solution tank with cool water until full (See
FILLING SOLUTION TANK).
2. Pour 1 gallon (4 liters) of recreational vehicle (RV)
antifreeze into the solution tank at full strength. 3. Disconnect the black connector fitting at the scrub
Do not dilute. head and place the hose into a bucket (Figure
100). To access the connector fitting, you may
3. Turn the machine power on and operate the have to remove the front cover from the machine.
solution flow system. Turn the machine off when
the red RV antifreeze is visible.
If your machine is equipped with the off- aisle wand
option, operate the the off- aisle wand for a few
seconds to protect the pump.
Continue with the freeze protection procedure if
machine is equipped with the ec- H2O system.
ec-H2O NanoClean Models:
(ec-H2O models labeled ec-H2O NanoClean)
Operate machine in the ec-H2O mode to cycle
antifreeze through ec-H2O system.
FIG. 100
ec-H2O Models:
(ec-H2O models manufactured before ec-H2O 4. Press and release the ec- H2O module switch to
NanoClean models) flush the antifreeze from the ec- H2O system
(Figure 99). The module is located under the
Press and release the flush switch on the ec- H2O recovery tank.
module to cycle the antifreeze through ec- H2O system
(Figure 99). When the antifreeze is visible, press the When the water turns clear, press the module
switch again to turn off the module. switch again to stop the flush cycle.
Dispose the antifreeze in an environmentally safe way
according to local waste disposal regulations.
5. The machine is now ready for scrubbing.

FIG. 99
IMPORTANT: Before operating machine, the antifreeze
must be flushed from the module as described below.
If the antifreeze is not properly flushed from the
ec- H2O system, the ec- H2O module may detect an
error and not function (ec- H2O switch indicator light
will turn red). If this occurs, reset key and repeat the
flush procedure as described below.

36 Tennant T5 (06- 15)

 MAINTENANCE

TROUBLESHOOTING

PROBLEM CAUSE SOLUTION

Machine will not operate Discharged batteries Charge batteries
Emergency- stop button activated Turn button clockwise to reset
Faulty battery(s) Replace battery(s)
Loose battery cable Tighten loose cable
Faulty control board Contact Service Center
Faulty key switch Contact Service Center
Machine fault detected. See Contol Panel Fault Indicator
Codes
Onboard battery charger will not Plug not connected to power supply Check plug connection
operate
Faulty charger fuse Replace charger fuse
Faulty power supply cord Replace cord
Error detected. See On- board Battery Charger Error
Codes
Brush motor(s) will not operate 1- STEP scrub button is off Turn on the 1- STEP scrub button
Brush motor overload See Control Panel Fault Indicator
Codes
Discharged batteries Charge batteries
Faulty control board Contact Service Center
Faulty scrub head (up/down) switch Contact Service Center
Faulty control handle bail switch Contact Service Center
Faulty brush motor or wiring Contact Service Center
Worn carbon brushes Contact Service Center
Broken or loose belt Replace or tighten belt
(cylindrical brush model)
Machine will not propel Parking brake is set Release parking brake lever
Machine fault detected See Control Panel Fault Indicator
Codes
Faulty control board Contact Service Center
Wheels raised off floor Contact Service Center
Faulty transaxle motor or wiring Contact Service Center
Worn carbon brushes Contact Service Center
Exceeded maximum incline Avoid steep inclines and reset key

Tennant T5 (06- 06) 37

MAINTENANCE

TROUBLESHOOTING - Continued
PROBLEM CAUSE SOLUTION
Vacuum motor will not operate Squeegee is raised off floor Lower squeegee
Discharged batteries Charge batteries
Faulty control board Contact Service Center
Faulty vacuum motor or wiring Contact Service Center
Worn carbon brushes Contact Service Center
Little or no solution flow Solution tank is empty Fill solution tank
Clogged solution tank filter Clean solution tank filter
Discharged batteries Charge batteries
Clogged solution valve Remove valve and clean
Faulty control board Contact Service Center
Poor water pickup Recovery tank is full or excessive Drain recovery tank
foam buildup
Loose drain hose cap Tighten cap
Clogged float shut- off screen located Clean screen
in recovery tank
Clogged squeegee assembly Clean squeegee assembly
Worn squeegee blades Replace or rotate squeegee blades
Incorrect Squeegee blade deflection Adjust Squeegee blade height
Loose vacuum hose connections Secure hose connections
Clogged vacuum hose Remove clogged debris
Damaged vacuum hose Replace vacuum hose
Recovery tank cover not in place Properly position cover
Damaged recovery tank cover seal Replace seal
Faulty vacuum motor Contact Service Center
Poor scrubbing performance Debris caught in brush Remove debris
Worn brushes/pads Replace brushes/pads
Incorrect brush pressure setting Adjust pressure setting
Wrong brush/pad type. Use correct brush/pad
Reduced run time Batteries not fully charged Fully recharge batteries
Defective batteries Replace battery
Batteries need maintenance See BATTERY MAINTENANCE
Faulty battery charger Repair or replace battery charger
Solution flow and brush pressure Supervisor controls are activated Contact your Supervisor
buttons and FaST system switch (lockout feature)
are locked

38 Tennant T5 (06- 06)

 MAINTENANCE

TROUBLESHOOTING - Continued
PROBLEM CAUSE SOLUTION
FaST Model: FaST System does FaST system switch is not turned on Turn on FaST system switch
not operate or operate correctly
FaST- PAK supply hose not connected Connect supply hose
Clogged FaST- PAK supply hose or Soak in warm water to unclog
connectors
Empty FaST- PAK carton Replace FaST- PAK carton
Kink in FaST- PAK supply hose Undo hose kink
Clogged FaST solution system Contact Service Center
Faulty FaST system on/off switch Contact Service Center
Faulty pump Contact Service Center
Clogged solution tank filter Drain solution tank. Remove solution
tank filter, clean and reinstall
Clogged detergent orifice/filter screen Replace orifice/filter screen
(See FaST SYSTEM
MAINTENANCE)
Clogged FaST solution inlet filter Contact Service Center
Faulty control board Contact Service Center

ec-H2O NanoClean Models (ec-H2O models labeled ec-H2O NanoClean)

PROBLEM CAUSE SOLUTION
ec-H2O system indicator Water conditioning cartridge has expired Replace cartridge (See ec-H2O NanoClean
light blinking green/red WATER CONDITIONING CARTRIDGE
REPLACEMENT)
ec-H2O system indicator ec-H2O system fault has been detected Contact Service Center
light is red or blinking* red
*Verify if cleaning detergent was added to solution tank. If ec-H2O system was operated with cleaning detergent, drain solution
tank, add clear water and operate the ec-H2O system until the indicator light code clears.
ec-H2O Models (Manufactured before ec-H2O NanoClean models)
PROBLEM CAUSE SOLUTION
ec- H2O system indicator light Mineral deposit build- up in module Flush module (See ec- H2O MODULE
blinks red and alarm sounds FLUSH PROCEDURE). If indicator
light starts flashing within 1- 10
seconds, repeat flush procedure. If in-
dicator light starts flashing after a
minute of scrubbing, the water may
have low conductivity.
Low water conductivity Add 17 ml of salt to every 85 L of
water.
ec- H2O system indicator light Defective module Contact Service Center
solid red

ec- H2O system indicator light Defective light or module Contact Service Center
does not turn on
No water flow Clogged module Contact Service Center
Defective solution pump Replace solution pump

Tennant T5 (06- 15) 39

MAINTENANCE

CONTROL PANEL FAULT INDICATOR CODES

The control panel fault indicator lights will display the following codes when the machine detects a fault.

Light #4

Light #1 Light #2 Light #3 Battery Lights

CODE FAULT SOLUTION

Light #1 blinks Recovery tank is raised. Lower recovery tank. Restart key to reset.
Lights #1, #2 and #3 Battery charger connected. Disconnect battery charger. Restart key to
ripple reset.
Lights #1 and #4 blink Left Brush motor overload. Inspect brush for entangled debris,
improper pad or contact service center.
Restart key to reset.
Lights #3 and #4 blink Right Brush motor overload. Inspect brush for entangled debris,
improper pad or contact service center.
Restart key to reset.
Lights #2 and #3 blink Propel motor overload. Avoid steep inclines or contact service
Exceeded maximum incline. center. Restart key to reset.
Lights #1 and #3 blink Scrub head movement is obstructed or Check scrub head for obstruction or con-
actuator motor malfunction. tact service center. Restart key to reset.
Light #2 blinks Vacuum motor malfunction. Contact service center.
Lights #1 and #2 blink Propel throttle malfunction. Contact service center.
Light #3 blinks FaST pump overload or malfunction. Reset the 10A circuit breaker or contact
service center. Restart key to reset.
Light #3 blinks when Supervisor controls activated Contact your Supervisor.
pressing the solution flow, (lockout feature)
brush pressure buttons
and FaST system switch
Lights #1, #2 and #3 blink Wand Pump overload or malfunction. Reset the 10A circuit breaker button or
contact service center. Restart key to
reset.
All battery lights blink Emergency- Stop button activated Turn button clockwise to reset.
All battery lights ripple Key turned on while bail was engaged. Release the control handle start bail.

40 Tennant T5 (06- 06)

 SPECIFICATIONS

GENERAL MACHINE DIMENSIONS/CAPACITIES/PERFORMANCE

MODEL Disk, Disk, Disk, Cylindrical, Cylindrical,
600 mm 700 mm 800 mm 650 mm 800 mm
LENGTH 1,346 mm 1,400 mm 1,463 mm 1,387 mm 1,387 mm
WIDTH 645 mm 737 mm 838 mm 711 mm 864 mm
HEIGHT 1,120 mm
MINIMUM AISLE TURN 1,346 mm 1,499 mm 1,626 mm 1,575 mm 1,638 mm
WEIGHT 143 kg 165 kg 171 kg 162 kg 166 kg
WEIGHT WITH BATTERIES 263 kg 276 kg 282 kg 281 kg 285 kg
RECOVERY TANK CAPACITY 102 L
SOLUTION TANK CAPACITY 85 L
DRIVE SYSTEM Transaxle, 24 V, .19 kW
TRAVEL SPEED, MAXIMUM Cleaning: 67 m/min Transporting: 72 m/min
PRODUCTIVITY RATE 2,450 m2/h 2,860 m2/h 3,270 m2/h 2,660 m2/h 3,270 m2/h
Theoretical
PRODUCTIVITY RATE 1,660 m2/h 1,930 m2/h 2,230 m2/h 1,785 m2/h 2,230 m2/h
Estimated Actual
CLEANING PATH WIDTH 600 mm 700 mm 800 mm 650 mm 800 mm
BRUSH DIAMETER 302 mm 353 mm 404 mm 151 mm 151 mm
BRUSH PRESSURE 18/36/54 kg
SOLUTION FLOW RATE - Low: 1.70 L/min 1.90 L/min 1.70 L/min 1.90 L/min
SOLUTION FLOW RATE - Med: 1.30 L/min 1.51 L/min 1.30 L/min 1.51 L /min
SOLUTION FLOW RATE - Max: .95 L/min 1.14 L/min .95 L/min 1.14 L/min
SQUEEGEE WIDTH 908 mm standard 1,051 mm 1,185 mm 1,051 mm 1,185 mm
standard standard
800 mm 908 mm 1,051 mm
BRUSH MOTOR Qty 2, .55kW, 220 rpm, 24 V, 29 A Qty 2, .47 kW, 1,500 rpm, 24V, 23 A
VACUUM MOTOR 640 W, 3- stage 5.7, 24 V, 26 A
WATER LIFT/AIR FLOW 5 5mm H2O/ 32.4 L3/min
BATTERIES Qty 4, 6 V
RUN TIME Minimum 3.5 h / Maximum 4.75 h
BATTERY CAPACITY WET (lead acid) = 180 Ah@ 5 h rate, 200Ah @ 5 h rate Sealed (Gel)= 180Ah @ 5 h rate
ONBOARD CHARGER 230 VAC, 5 A, 50/60 Hz, 24 VDC, 20 A output
TOTAL POWER CONSUMPTION 50 Amp nominal
VOLTAGE DC 24 VDC
PROTECTION GRADE IPX3
SOUND PRESSURE LEVEL LpA* 65 dBa 64 dBa
SOUND UNCERTAINTY KpA* 3 dBa 3 dBa
SOUND POWER LEVEL
84 dBa 83 dBa
LWA+UNCERTAINTY KWA*
VIBRATION AT HAND- ARM* <2.5 m/s2 <2.5 m/s2
GRADE LEVEL, MAX. Scrubbing 5%, Transporting 8%, Ramp Loading (tanks empty) 19.5%

* Values per EN 60335- 2- 72

Tennant T5 (12- 13) 41

SPECIFICATIONS

FaST SYSTEM Disk, Disk, Disk, Cylindrical, Cylindrical,

600 mm 700 mm 800 mm 650 mm 800 mm
PRODUCTIVITY RATE 1,865 m2/h 2,115 m2/h 2,440 m2/h 1,950 m2/h 2,440 m2/h
Estimated Actual
SOLUTION PUMP 24 Volt DC, 3.5 A, 5.6 L/min open flow, 4.13 Bar bypass setting
SOLUTION FLOW RATE 0.57 L/min 0.83 L/min 0.57 L/min 0.83 L/min
CONCENTRATE FLOW RATE 0.57 cc/min 0.83 cc/min 0.57 cc/min 0.83 cc/min
CONCENTRATE TO WATER
1:1000
DILUTION RATIO

ec - H2O SYSTEM Disk, Disk, Disk, Cylindrical, Cylindrical,

600 mm 700 mm 800 mm 650 mm 800 mm
PRODUCTIVITY RATE 1.865 m2 h 2.115 m2 h 2.440 m2 h 1.950 m2 h 2.440 m2 h
Estimated Actual
SOLUTION PUMP 24 Volt DC, 3,5 A, 5,6 L/min open flow, 4,13 Bar bypass setting
SOLUTION FLOW RATE * 0,57 L/min 0,83 L/min 0,83 L/min 1,25 L/min
(standard) (standard) (standard) (standard)
0,83 L/min 1,25 L/min 1,14 L/min 1,67 L/min
(optional) (optional) (optional) (optional)
1,14 L/min 1,67 L/min
(optional) (optional)

* ec-H2O models manufactured before ec-H2O NanoClean models - If the optional solution flow rates are required, contact an Authorized Service Center.

MACHINE DIMENSIONS

1.120 mm

B
A

Models: 600 mm 700 mm 800 mm 650 mm 800 mm

Disk Disk Disk Cylindrical Cylindrical
A= 1.346 mm 1.400 mm 1.463 mm 1.387 mm 1.387 mm
B= 645 mm 737 mm 838 mm 711 mm 864 mm
C= 908 mm 1.051 mm 1.185 mm 1.051 mm 1.185 mm

42 Tennant T5 (09- 08)