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MAINTENANCE
CHANGING OIL IN GEAR REDUCTION (if
equipped)
Change oil in gear reduction after every 100 hours of
operation.
[1] To drain oil, loosen 4 gear case cover screws and
drain oil into appropriate receptacle.
[2] After draining, torque 4 screws to 85 in-lbs.
[3] To refill, pour SAE 30 oil into oil fill hole until it runs
out level check hole.
[4] Replace both oil plugs.
Note: Oil filler plug has a vent hole and must be installed
on top of gear case cover.
OIL FILLER PLUG
OIL LEVEL
PLUG
VENT HOLE
4 GEAR CASE
COVER SCREWS
AIR CLEANER
All engines have an air cleaner cartridge. In addition, some
engines have a pre-cleaner.
SCREWS
COVER
CARTRIDGE
P/N 491588
OR 5043
PRE–CLEANER
P/N 491435
BASE
REMOVING and RE-INSTALLING AIR CLEANER
[1] Loosen screws and remove cover.
[2] Remove pre-cleaner (if equipped) and cartridge
carefully to prevent debris from entering carburetor.
[3] Re-install clean (or new) air cleaner assembly in base.
[4] Replace cover and tighten screws.
CLEANING PRE-CLEANER AND CARTRIDGE
CAUTION: Do not use pressurized air or solvents to
clean cartridge. Pressurized air can damage
cartridge; solvents will dissolve cartridge.
Pre-cleaner
To clean pre-cleaner (if equipped), separate it from
cartridge and wash in liquid detergent and water. Squeeze
dry in a clean cloth. Saturate in engine oil. Squeeze in
clean, absorbent cloth to remove all EXCESS oil.
Cartridge
To clean cartridge, gently tap pleated paper side on a flat
surface.