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Section 3 - MAINTENANCE
3.1 INTRODUCTION
To retain the quality of the Tractor, 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 Tractor,
always mention the model and serial number.
SNAPPER recommends returning the Tractor to an
authorized SNAPPER dealer annually for inspection
and addition of any new devices, which might upgrade
the safety of the Tractor. For the nearest SNAPPER
dealer in your area, check the yellow pages under the
heading LAWN MOWERS. For engine parts and
service, look for the engine manufacturer’s dealers
under the heading, ENGINES - gasoline.
3.2 SERVICE - AFTER FIRST 5 HOURS
WARNING
DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP blades.
STOP engine. Set park brake. Remove key. 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.
3.2.1. CHANGE ENGINE OIL
The engine is equipped with a Fastex
™
oil drain.
1. Rotate drain body counterclockwise and pull out to
open drain. See Figure 3.1.
2. Drain oil into a 2 quart container placed beneath
end of oil drain.
3. After all oil has drained, push drain body "IN" and
rotate clockwise to close.
4. Fill engine with new motor oil as specified in engine
owner's manual.
WARNING
The following procedure requires the engine and
blades to be operated. Exercise extreme caution. Clear
area of loose parts & tools first. Only operate blades
when seated in the operator’s seat.
3.2.2. CHECK BLADE BRAKE
1. Check blade brake for proper function. Blades
should stop rotating in 5 seconds or less after moving
the blade engagement lever down to the OFF position.
2. If blades continue to rotate longer than 5 seconds
do not operate machine. Refer to Section “BLADE
BRAKE ADJUSTMENT” or contact your SNAPPER
dealer for assistance.
3.2.3. CHECK MOWER BLADE
1. Remove deck from tractor.
2. Carefully position deck to access blade.
3. Check blade for sharpness, wear and damage.
Refer to Section “BLADE WEAR LIMITS”.
4.
Check blade for straightness. Refer to Section
“ADJUSTING MOWER BLADE”.
5.
Check torque of blade mounting bolts. Torque to:
33” deck – 30 to 40 ft. lbs. See Figure 3.2.
38” deck – 70 to 80 ft. lbs. See Figure 3.3.
FIGURE 3.1
FIGURE 3.2
WARNING
Blades must stop rotating in 5 seconds or less after
blades have been turned off. DO NOT operate machine
until blade brake has been adjusted and functioning
properly. Contact your SNAPPER dealer for assistance.
OIL
FILLER
TUBE
ROTATE COUNTER-
CLOCKWISE AND PULL
OUT TO OPEN.
PUSH IN AND ROTATE
CLOCKWISE TO CLOSE.
FASTEX™
OIL DRAIN
TORQUE 33” BLADE TO
30 TO 40 FT. LBS.
NOTE: BRIGGS &
STRATTON ENGINE
PICTURED
Summary of Contents for WLT170H38IBV
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