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Section 3 - MAINTENANCE
3.1 INTRODUCTION
To retain the quality of the mower, use genuine
SNAPPER replacement parts only. Contact a local
SNAPPER dealer for parts and service assistance.
For the correct part or information for a particular
mower, always mention model and serial number.
WARNING
DO NOT attempt any adjustments, maintenance or
service with the engine or blade running. STOP
blade. STOP engine. Remove spark plug wire from
spark plug and secure wire away from spark plug.
Engine and components can be extremely hot. Avoid
burns by allowing engine and components sufficient
time to cool.
3.2 SERVICE - AFTER FIRST 5 HOURS
3.2.1. CHANGE ENGINE OIL
The easiest and cleanest method to drain the
engine oil requires the machine to be tipped, RIGHT
side up. The oil can then be quickly drained from
the engine oil filler tube. Tipping the machine can
produce fuel leakage. To avoid the fire and
explosion hazards of spilled fuel the tank must be
empty or carefully drained before tipping machine.
WARNING
Before tipping machine, run engine until fuel tank is
empty or drain fuel tank. Fuels are flammable and
vapors are explosive. When draining fuel tank, drain
fuel into an approved container outdoors and away
from open flame and all sources of ignition.
1. Run engine until fuel tank is empty or drain fuel
tank. When cool, remove spark plug wire from spark
plug and secure away from spark plug.
2. Tip machine with right side of machine up.
3. Place shallow 2 quart drain pan below the oil dip
stick cap.
4. Remove dip stick and allow engine oil to drain
into pan.
5. Move pan so that it is below the engine oil filter.
6. Remove oil filter and allow oil to drain into pan.
7. Install new oil filter. Refer to Engine Operator’s
manual for specifications.
8. Place machine back on four wheels.
9. Fill engine crankcase to proper level. Refer to
Engine Operator’s manual for proper oil
specifications.
10. Install dip stick and tighten cap.
11. Dispose of drained oil properly.
12. Attach spark plug wire to spark plug.
NOTE: Wipe up any spilled oil off machine before
operating.
3.2.2. SERVICE ENGINE
Service engine air cleaner. Refer to engine owner’s
manual for proper air filter specification and
maintenance procedure.
3.2.3. GREASE FRONT CASTER BUSHINGS
Grease front caster bushing with three shots of
general purpose grease from a grease gun.
3.2.4. GREASE DECK/BLADE SPINDLE
Grease deck/blade spindle with three shots of general
purpose grease from a grease gun.
WARNING
The blade should come to a complete stop in 3
seconds or less after the blade control is released. If
the blade continues to rotate after 3 seconds, the
blade brake must be adjusted. DO NOT operate
machine if blade brake is not functioning properly.
3.2.5. CHECK BLADE BRAKE
Check blade brake for proper function. Blade should
stop in 3 seconds or less after releasing blade control.
Refer to Section “BLADE BRAKE ADJUSTMENT” in
this manual for adjustment procedure.
3.2.6. CHECK ENGINE to DECK BELT
Visually check engine to deck belt for cracking,
fraying, severed or belt strands exposed. Replace belt
before operating mower. Verify proper belt tension.
Refer to Section "ENGINE TO DECK BELT
SERVICE" in this manual for belt tension adjustment
and engine to deck belt replacement.
3.2.7. CHECK WHEEL DRIVE BELTS
Visually check belts for cracking, fraying, severed or
belt strands exposed. Replace belts before operating
mower. Verify proper belt tension. Refer to Section
“WHEEL DRIVE BELT SERVICE" for belt tension
adjustment and wheel drive belt replacement
instructions.
(Continued on Next Page)