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Section 3 - MAINTENANCE
3.2.3. CHECK 33" DECK DRIVE BELT
1. With engine "OFF", move blade engagement
lever to "ON".
2. Measure blade cable extension spring. Spring
should extend 1" +/-1/8" for proper belt tension. See
Figure 3.3.
FIGURE 3.3
3. To adjust tension, Refer to Section “BLADE
BELT ADJUSTMENT”.
3.3 SERVICE - EVERY 25 OPERATING HOURS
3.3.1. CHECK ENGINE
1. Change engine oil. Refer to Section “CHANGE
ENGINE OIL”. Refer to engine owner's manual for oil
specification.
2. Remove and clean engine air pre-cleaner. See
Figure 3.4. Refer to engine owner's manual for
cleaning instructions.
FIGURE 3.4
3. Remove and replace engine air cleaner. See
Figure 3.4. Refer to engine owner's manual for
service instructions.
3.3.2. MOWER COMPONENTS
1. Check deck drive belt for proper tension. Refer
to Section, “CHECK DECK DRIVE BELT”.
2. Check blades for sharpness, wear, damage and
torque. Refer to Section “MOWER BLADE
REPLACEMENT”.
3. Check mower deck for proper levelness. Refer
to Section “MOWER DECK ADJUSTMENT -
LEVELNESS”.
4. Clean mower deck.
a. Remove key from ignition switch.
b. Remove deck.
c. Clean underside of mower deck, removing all
accumulation of grass clippings and debris.
d. Clean top of deck, removing all grass clippings
and debris.
5. 33" blade spindle lubrication.
a. Lubricate spindle with 1 to 3 shots of general
purpose grease from grease gun.
6. Lubricate all mower deck linkage pivot points
with a light coat of motor oil.
3.3.3. CHECK BLADE BRAKE
1. Refer to Section “CHECK BLADE BRAKE”.
ENGINE AIR
CLEANER
ENGINE AIR
PRE-CLEANER
BLADE CABLE
EXTENSION SPRING
X + 1” +/- 1/8”
X