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Section 3 - MAINTENANCE
3.2,3.
CHECK MOWER BLADE (Continued)
TORQUE 38" BLADES TO
70 TO 80 FT, LBS.
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.
BLADE CABLE
EXTENSION
SPRING
FIGURE 3.4
3.
To adjust tension,
Refer to Section
"BLADE
BELT ADJUSTMENT".
3.2,5.
CHECK38"
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.
Remove and clean engine air pre-cIeaner. See
Figure
3.5. Refer to engine
owner's
manual
for
cleaning instructions.
ENGINE AIR
CLEANER
ENGINE AIR --
PRE-CLEANER
FIGURE 3.5
3.
Remove
and replace engine air cleaner. See
Figure
3.5. 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" and 38" 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".
13
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