16
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. Change air filter. Pull up and rotate the air cleaner
latch to remove cleaner cover. See Figure 3.4.
IMPORTANT: When cover is removed, you are
viewing the carburetor side of the air filter, which will
appear clean. Remove filter and pre-cleaner for
inspection.
FIGURE 3.4
2. Refer to engine owner's manual for cleaning and
service instructions. Remove and clean engine air
pre-cleaner. Remove and replace engine air cleaner.
See Figure 3.5. Install pre-cleaner and air cleaner
per engine owner’s manual.
FIGURE 3.5
3. Reinstall air cleaner cover. Insert tabs located at
the bottom of the cover into corresponding slots in
engine cover. Position cover and engage latch over
cover and rotate and push down to lock.
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”.
BLADE CABLE
EXTENSION SPRING
X + 1” +/- 1/8”
X
AIR CLEANER
COVER
AIR CLEANER
LATCH
AIR CLEANER
AIR PRE-
CLEANER
