Product Manual

28
Maintenance & Repair
Perform Engine Maintenance
-As specified in the engine owner's manual.
Engine maintenance items include:
1. Changing oil and oil filter
2. Air filter check/replacement
3. Spark plug cleaning and replacement
4. Fuel filter check/replacement
5. Inspecting and cleaning muffler (and spark
arrestor if equipped)
Change Pump Oil
Change the pump oil after the first 50 hours of use,
and then after every 3 months or 500 hours of use after
that.
1. Remove drain plug from pump.
2. Drain pump oil into suitable container and dispose
of responsibly.
3. Reinstall oil drain plug.
4. Make sure unit is sitting level.
5. Reference the “Specifications” section of this
manual to determine the oil type and quantity
needed for your pump model.
6. Replace oil fill cap.
**Non-Detergent Oil (order Cat Item# 22158 pump oil.)
NOTICE:
Dispose of used motor and pump oil in a manner that is
compatible with the environment and in accordance
with local, state, and federal laws and regulations.
• Take used oil in a sealed container to your local
recycling center or service station for reclamation.
• Do not throw it in the trash, pour it on the ground, or
pour it down a drain.
Drive Belt Maintenance
Check drive belt tension after first 24 hours of
running and then routinely with each oil change.
Tighten or replace belts as needed. Always tighten
belts if slipping.
WARNING: Filter Disposal
Belt slippage can cause static electricity
build-up, which may result in sparking. Fire
ignition can result.
Instructions:
1) Make sure engine is off and spark plug wire is
removed.
2) Remove belt guard. See "Parts Breakdown" section
of this manual for location.
3) Loosen pump mounting bolts (4).
4) Inspect belts for wear/damage. Replace as needed.
When replacing belts, always replace all – don't mix
old and new belts.
5) Tighten tension bolt to achieve the recommended
belt tension specified below. (Tightening the
tension bolt pulls the pump away from the engine,
tightening all two belts simultaneously.)
Tension Spec
New Belt
Used Belt
Rib/strand Deflections Distance:
0.2 in.
0.2 in.
Rib/Strand Deflection Force
6.2 lb.
4.2 lb.
WARNING: Filter Disposal
Belt slippage can cause static electricity build-up,
which may result in sparking. Fire ignition can result.
Pump
Type of Fluid
QTY
CAT 5CP4120CSS
CAT Oil**
17.0oz (0.41L)
COMET RW4040S
SAE 30 Non-
Detergent Oil or
Comet Pump Oil
(Part# 22022)
26.88oz(0.79L)
Deflection Distance
FIG06788
Oil Cap
(remove tape)
Oil Drain Plug
Oil Sight Glass
Oil Fill Cap
Sight Glass
Drain Plug
Sight Glass
FIG06787