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Section 3 - MAINTENANCE
3.2.4. CHECK DECK DRIVE BELT
1. The idler and s pring provide proper belt tension and
require no adjustment. If belt is frayed, slit, severed or
belt strands exposed, replace belt before operating
mower.
3.3 SEVICE - EVERY 25 OPERATING HO URS
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.
3. Remove and replac e engine air cleaner. Refer to
engine owner's manual for service instructions.
FIGURE 3.4
3.3.2. MOWER COMPONENTS
1. Check dec k drive belt for proper tension. Refer
to Section, “CHECK DECK DRIVE BELT”.
2. Check blades for sharpness, wear, dam age and
torque. Refer to Section on “MOWER BLADE
SERVICE”.
3. Check m ower deck for proper levelness. Refer
to Section “MOWER DECK ADJUSTMENT -
LEVELNESS”.
4. Clean mower deck .
a. Remove k ey from ignition switch.
b. Remove deck.
c. Clean underside of m ower deck, removing all
accumulation of grass clippings and debris.
d. Clean top of deck, removing all grass clippings
and debris.
5. Lubricate spindles with 1 to 3 shots of general
purpose grease from grease gun.
IMPORTANT - 48” DECK ONLY:
Spindles on 48” deck must be kept filled with
grease. Apply grease from grease gun until
grease purges from vent located underneath
deck on spindle housing.
6. Lubricate all m ower deck linkage pivot points
with a light coat of motor oil.
3.3.3. CHECK BLADE BRAKE
1. Refer to Sec tion “CHECK BLADE BRAKE”.
3.3.4. TRACTOR LUBRICATION
1. Front Wheel Bearin gs
Lubricate each front wheel bearing through the
grease fitting on wheel hub. Using general purpose
grease in a grease gun, add grease until grease
purges from bearing. See Figure 3.5.
FIGURE 3.5
2. Axle Spindles
Lubricate each axle spindle with 1 to 3 shots of
general purpose grease. See Figure 3.5.
(Continued On Next Page)
SINGLE CYLINDER ENGINE TYPE
TWIN CYLINDER ENGINE TYPE
COVER RETAINING
KNOB
AIR CLEANER COVER
ELEMENT RETAINING KNOB
CARTRIDGE ELEMENT
PRE-CLEANER
RETAINING STUD
AIR CLEANER BASE
AIR CLEANER BASE
CARTRIDGE ELEMENT
PRE-CLEANER
RETAINING KNOB
RETAINING PLATE
AIR CLEANER COVER
COVER RETAINING CLIPS
AXLE SPINDLE
LUBRICATION
FITTING
FRONT WHEEL
BEARING LUBRICATION
FITTING