Protector™ Series

INSTRUCTION SHEET
Scheduled Maintenance Kits Replace Air Filter—2.5L Engine
1. See Figure 1. Remove wing nut (A), flat washer (B),
Kit No’s (Models): G007640-0 (2.5L), and lock washer (C) from threaded rod to release air
G007641-0 (2.2L), and G006570-1 (3.4L) cleaner cover (D).

DANGER
Accidental start-up. Disconnect power and render A B C D
unit inoperable before performing service work.
Failure to do so will result in death or serious injury.
(000344)

WARNING
Equipment damage. Only qualified service personnel may
install, operate, and maintain this equipment. Failure to follow
proper installation requirements could result in death, serious 006183
injury, and equipment or property damage.
(000182a) Figure 1 - Remove Air Cleaner Cover—2.5L Engine

2. See Figure 2. Remove air filter element (E) and dis-

WARNING card.
Consult Manual. Read and understand manual
completely before using product. Failure to D E
completely understand manual and product
could result in death or serious injury.
(000100a)

NOTE: Scheduled Maintenance Kits include the air filter,

oil filter, fuel filter, and breather filter (3.4L models only).
NOTE: The illustrations in this document are representa-
tive and may not exactly match the equipment. While the
procedures are largely the same, location and appear-
ance of some components may vary between engine 006184
models.
Figure 2 - Remove Air Cleaner Element—2.5L Engine

Preparation 3. Thoroughly clean air cleaner cover (D) of any dust,

dirt, or debris.
Use key to remove left and right side access panels.
4. Place new air filter element against adapter flange.
NOTE: Air filter element is not directional.
5. Install air cleaner cover over threaded rod, followed
by flat washer, lock washer, and wing nut. Tighten
wing nut until snug.

Scheduled Maintenance Kit Instructions 1

Replace Air Filter—2.2L Engine
NOTE: The 2.2L Perkins engine is equipped with an
alternate-style air cleaner. B

1. See Figure 3. Release three buckle clasps from end D

cap (A) of air cleaner canister (B). Remove end cap.
C

009255

Figure 5 - Remove Air Filter Element—3.4L Engine

2. Loosen hose clamp (C) around the air filter element

B base and remove air filter element (D) from air intake
pipe. Discard old air filter element.
006185
3. Thoroughly clean air intake pipe and air filter element
Figure 3 - Disassemble Air Cleaner—2.2L Engine clamp of any dust, dirt, or debris.
4. Place new air filter element through air filter element
2. See Figure 4. Remove air filter element (C) and dis- clamp and on the air intake pipe.
card.
5. Securely fasten hose clamp around new air filter ele-
ment.
6. With air filter element correctly positioned in air filter
C element clamp, use flathead screwdriver to hold slot-
ted bolt in place while tightening square nut until
clamp is secure.

Replace Fuel Filter

1. See Figure 6. Place a shop rag beneath fuel filter (A)
to catch water or fuel drips.

D 006186

Figure 4 - Remove Air Cleaner Element—2.2L Engine

3. Thoroughly clean air cleaner canister, end cap, and

breather (D) of any dust, dirt, or debris.
4. Place new air filter element inside canister.
NOTE: Air filter element is not directional.
5. Install end cap on air cleaner canister and buckle
three clasps. A
006187

Replace Air Filter—3.4L Engine Figure 6 - Drain Fuel Filter

NOTE: 3.4L engine air filter is not compatible with the 2. Turn fuel filter counterclockwise to remove from fuel
2.5/2.2L engines. filter adapter.
1. See Figure 5. Use flathead screwdriver to hold slot- 3. Install new fuel filter by hand until gasket just con-
ted bolt (A) while loosening square nut to expand air tacts filter adapter. Tighten fuel filter an additional
filter element clamp (B). three-quarter to one full turn.
NOTE: Do not fill new fuel filter with fuel before installing.
NOTE: Dispose of used fuel filter in accordance with
local, state, or national codes or regulations.

Scheduled Maintenance Kit Instructions 2

Prime Fuel System
NOTE: The 2.2L engine is equipped with a rubber hand H
priming bulb. Some 2.2L models may be equipped with a A
remote stainless steel hand primer pump with a pushbut-
ton. The 3.4L engine primer pump and air bleed screw
are located above the fuel filter.
1. See Figure 7. Loosen fuel filter air bleed screw (A)
and work priming pump, or priming bulb, until bub-
bles are observed.

006189

Figure 8 - Remove Oil Filter

7. Apply a light coat of clean engine oil to gasket of new

oil filter.
8. Install oil filter by hand until gasket just contacts oil fil-
A ter adapter. Tighten oil filter an additional three-quar-
ter to one full turn.
9. Remove fill cap and fill engine with recommended oil.
006188 10. Install fill cap.
11. Check oil level frequently and add oil as necessary.
Figure 7 - Fuel Filter Air Bleed Screw
DO NOT OVERFILL.
2. When all bubbles are purged and replaced by a solid NOTE: Each hash mark or line below the H(igh) mark on
stream of fuel, lower pump handle (or release prim- the dipstick represents 1.06 qts (1 L). Add oil whenever
ing bulb) and tighten air bleed screw. the level is 1.06 qts (1 L) or more below the H(igh) mark.
NOTE: Dispose of used oil and oil filter in accordance
Replace Lubricating Oil and Oil Filter with local, state, or national codes or regulations.

WARNING
Potential of cancer. Prolonged or repeated contact
with used motor oil has been shown to cause cancer
in laboratory animals. Thoroughly wash exposed
areas with soap and water.
(000127a)

1. Remove oil drain hose from holding clamp.

2. Use one wrench to hold hex on hose fitting (to pre-
vent rotation), and use second wrench to remove
drain plug.
3. Drain oil into a suitable container.
4. Install drain plug onto end of oil drain hose.
5. Install oil drain hose into holding clamp.
6. See Figure 8. Turn oil filter (A) counterclockwise to
remove from oil filter adapter.

Scheduled Maintenance Kit Instructions 3

Replace Breather Filter—3.4L Final Instructions
Engines 1. Start engine and inspect for fuel and lubricating oil
NOTE: This procedure is applicable to 3.4L models only. leaks.
2. Stop engine and wait a few minutes for oil to return to
1. See Figure 9. Check oil level. If oil level is visible in
oil pan.
sight glass (A), remove drain plug (B) at bottom of
canister to drain oil. After draining, install drain plug 3. Verify oil level is at or near the H(igh) mark on the oil
and tighten until snug. dipstick. Add oil as necessary.
4. Place controller into AUTO mode.
NOTE: Alternate canister designs do not have a sight
glass. In this case, loosen drain plug to inspect if oil has 5. Use key to install left and right side access panels.
collected in cannister.

009256

Figure 9 - Replace Breather Filter—3.4L Engine

2. Loosen clamp (C) and remove filter element (D). Dis-

card filter element.
3. Install new filter element onto canister.
4. Install clamp and tighten until snug.

Part No. 10000018676 Rev B 03/19/19 Generac Power Systems, Inc.

©2019 Generac Power Systems, Inc. All rights reserved S45 W29290 Hwy. 59
Specifications are subject to change without notice. Waukesha, WI 53189
No reproduction allowed in any form without prior written 1-888-GENERAC (1-888-436-3722)
consent from Generac Power Systems, Inc. www.generac.com

Scheduled Maintenance Kit Instructions 4