14
Section 3 - MAINTENANCE
3.2.3. CHECK MOWER BLADE (Continued)
FIGURE 3.3
3.2.4. 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 3.4.
FIGURE 3.4
3.
To adjust tension, Refer to Section “BLADE
BELT ADJUSTMENT”.
3.2.5. CHECK 38” DECK DRIVE BELT
1.
On 38" model, check belt for excessive wear or
damage and replace if necessary, there are no
adjustments on this model.
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 3.5.
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 3.5
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 3.6. Install pre-cleaner and air
cleaner per engine owner’s manual.
FIGURE 3.6
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.
TORQUE 38” BLADES TO
70 TO 80 FT. LBS.
BLADE CABLE
EXTENSION SPRING
X + 1” +/- 1/8”
X
AIR CLEANER
COVER
AIR CLEANER
LATCH
AIR CLEANER
AIR PRE-
CLEANER
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