User Manual

The Worlds #1 Wetpour Rubber Mixer

Manufactured by

Phone: 61 7 3807 3666

Fax: 61 7 3807 2344
Web: www.a1rubber.com
 Email: sales@rotatub.com

INITIAL SETUP
1) Make sure the Rotatub mixer is up right with wheels and feet on the ground.

2) If you have purchased a mixer with optional extras you need to set them up before use.

a) Adjustable legs - legs must be adjusted to suit the terrain the mixer will be operating
on. To do this you need to loosen the locking nuts (use a hammer) on the threaded
shaft and adjust the feet up or down by rotating them until the mixer is as level as
possible. Once you are satisfied that the mixer is level tighten locking nuts for safety.

Step
Locking Nuts

Feet

b) Foldout Step - the step is secured with zip ties from new for safe transportation.
Remove the zip tie securing step to mixer. (Take care not to remove zip ties holding
crucial wiring to mixer). Fold the step over and slide out on its rails. Ensure the step
is stable.

www.a1rubber.com 2

The Worlds #1 Wetpour Rubber Mixer

 INTRODUCTION
Congratulations on the purchase of your ROTATUB wetpour mixer

The Rotatub mixer range has been specially designed to significantly reduce the problem resin build
up that most common wetpour mixers suffer from. It is manufactured to the highest standards and
constructed from selected quality materials. The unique design will give many trouble free years of
operation with only the minimum amount of maintenance when used in accordance with this User
Manual.

www.a1rubber.com 1

The Worlds #1 Wetpour Rubber Mixer

 OPERATION

Safety switch

Outlet trap door

handle

Start

Stop/ E-stop
Trap door
guard

Fig 1

ALWAYS READ AND FOLLOW THE MANUFACTURERS INSTRUCTIONS OF THE

PRODUCTS TO BE MIXED!

1) For best results add the rubber and glue products before starting the mixing blades.
2) Press start and once the required consistency has been achieved place a suitable container
(wheelbarrow) under the outlet trap door (fig.1). The door height has been designed to fit a
standard size wheelbarrow underneath.
3) Keep the mixer running and open the outlet trap door. The product will empty into the
wheelbarrow and with the action of the spring loaded mixing blades the mixer will start to self
clean.
4) Once the product is discharged close the outlet trap door.
5) The mixing blades can now be stopped and the process restarted if required.

www.a1rubber.com 2

The Worlds #1 Wetpour Rubber Mixer

 CLEANING

M12 BOLT
CLAMPING BAR

MIXING SLEEVE

MIXING BLADE

COIL COMPRESSION SPRING

HDPE DISC

Fig. 2

ALWAYS DISCONNECT THE POWER SUPLY BEFORE CLEANING THE DRUM

READ AND FOLLOW SAFETY INSTRUCTIONS FROM THE MANUFACTURES OF THE

PRODUCTS WHICH WERE MIXED

TO REMOVE MIXING ASSEMBLY

1) Remove the M12 bolt and clamping bar from the mixing sleeve.
2) Carefully lift the mixing sleeve upwards. As each mixing blade exits the mixing bowl
it will move away from the centre under the pressure of the spring.
3) Remove the mixing blades and clean the bowl and blades as desired, taking care that
the spring is kept or placed inside the mixing blades.
4) Care must be taken not to damage or lose the springs.

www.a1rubber.com 3

The Worlds #1 Wetpour Rubber Mixer

 TO RE-ASSEMBLE MIXING ASSEMBLY
1) Ensure all blade slots are clean and free from debris. Grease mixer arms after every use.

2) Check mixer arm springs are not bent or missing.

3) Whilst mixing arm assembly is not fitted to the mixer, install bottom scraper blade (marked
as number 1) to bottom mixer arm. Ensure the numbering on the blade is upright and to the
rear in relation to the rotational direction of the mixing arms.

4) Install 2nd, 3rd and 4th (if applicable) numbered blades from bottom to top with the top blade
being numbered 3 for Rotatub 25 or 4 for Rotatub 50. All numbers to the rear of the direction
of the mixing rotation.

5) Install the mixing arm assembly over the drive shaft and compress each blade as required to
enable the assembly to slide down to the floor of the mixer.

6) Locate the drive shaft with the drive sockets on the bottom of the mixing arm assembly.

7) Always start the mixer dry to test correct operation prior to adding rubber.

www.a1rubber.com 4

The Worlds #1 Wetpour Rubber Mixer

 PARTS
SLEEVE CLAMPING BAR (includes M12 Bolt)

TUB SAFETY GUARD MIXING SLEEVE

COMPRESSION SPRING

DRIVE SHAFT
MIXING BLADE

(See note below)

HDPE DISC

UPPER WHEEL

TRAP DOOR SAFETY

GUARD
GEARBOX

MOTOR
Adjustable legs (+reset switch)
(optional)

LOWER WHEEL

Note:
(See note
1) All mixing blades are imprinted with a number which corresponds to its position on the mixing
below)
sleeve (No. 1 being lowest on the sleeve), when ordering spare blades you must supply the blade
number.

2) Always quote model and serial number when ordering spare parts.

www.a1rubber.com 5

The Worlds #1 Wetpour Rubber Mixer

 MAINTENANCE

The Rotatub has been designed with minimum maintenance requirements, to keep your mixer
running at optimum performance simply follow these basic steps.

Daily Weekly Monthly Comments

Check safety guards are in place

Lubricate spring and mixing blade arm Use general purpose grease

Check motor cover is clear

Check operation of top guard interlock Slowly open lid with mixer running and ensure it stops immediately

Lubricate wheel axels (4 off) General purpose light oil

Lubricate top guard hinge General purpose light oil

Lubricate trap door hinge General purpose light oil

Check all welds Visual check

Check all fasteners

SPECIFICATIONS

Model Rotatub 25 Rotatub 50

Capacity 25Kg of Rubber 50Kg of Rubber
Motor 1.5 Kw 1.5 Kw
Gearbox 40:1 80:1
HxWxD 1120 H x 850 W X 850 D 1380 H x 850 W x 1000 D
Mixing Blades 3 4
Power Requirements 10 amps Single Phase 10 amps Single Phase
Weight of Mixer 110kgs 135kgs
Drum Dimensions 400 H x 600 Diameter 550 H x 700 Diameter
Drum Volume - Cubic Metres 0.11m3 0.21m3
Drum Volume - Litres 113.1 Litres 211.6 Litres

www.a1rubber.com 6

The Worlds #1 Wetpour Rubber Mixer

 TRAINING COMPETANCY

A1 Rubber supports good workplace safety. Copy this page and ensure each operator of the
machine has read and understands how to correctly operate the machine.

Have you read this manual in full Y/N

Do you fully understand the instructions Y/N

If you answer no to any of these questions then do not operate the mixer.

I fully understand the instructions and agree to operate the mixer in a safe manner

Sign_______________________________ Date________________

Print Name_______________________

A1 Rubber
34 Binary Street
Yatala, QLD. 4207
Australia
Tel: 61 7 3807 3666
Fax: 61 7 3807 2344
Email: admin@a1rubber.com
www.a1rubber.com 7

The Worlds #1 Wetpour Rubber Mixer