GB - 13
CHECK ENGINE OIL COOLER
Check engine oil cooler every 25 hours. Check more
often when operating in dirty or dusty conditions. See
engine manual for detailed instructions.
CLEAN HYDRAULIC OIL COOLER
Blow out hydraulic oil cooler with compressed air every
25 hours of operation to remove dust and debris.
REPLACE HYDRAULIC OIL FILTER
Replace hydraulic oil filter after the first 50 hours of
operation and every 200 hours thereafter.
1. Clean around dipstick cap and dipstick. Remove
dipstick.
2. Place container under oil filter to catch dripping oil.
3. Remove oil filter.
4. Install new oil filter.
5. Check hydraulic oil level and add if necessary.
6. Clean up any oil spills.
IMPORTANT:
See
Changing Hydraulic Oil
on page 16.
INSPECT MUFFLER/SPARK ARRESTOR
Inspect muffler and spark arrestor every 50 hours.
Replace muffler if corroded.
CHECK BELTS
Check belts every 100 hours and every season. Replace
worn or deteriorated belts. Replace belts to
accommodate belt stretch and wear in the traction drive
or mower drive. See
Replacing the Drive Belt
on page 13
for procedures.
REPLACE AIR CLEANER
Replace air cleaner every 200 hours. Replace more
often when operating in dirty or dusty conditions. See
engine manual for detailed instructions.
CHANGE OIL
Change engine oil every 100 hours. See engine manual
for detailed instructions.
CLEAN COOLING AREAS
Remove shrouds and clean cooling areas every 100
hours. Clean more often in dirty or dusty conditions. See
engine manual for detailed instructions.
CHANGE ENGINE OIL FILTER
Change oil filter every 200 hours. See engine manual for
detailed instructions.
CHECK SPARK PLUGS
Check condition of spark plugs and spark plug gap every
200 hours. See engine manual for detailed instructions.
REPLACING THE DRIVE BELT
1. Stop engine and remove key.
2. Disengage PTO.
3. Remove mower belt from electric clutch (see mower
owner’s manual).
4. Remove idler spring and drive belt (Figure 6).
5. Place the new belt on the pump sheave, idler pulley
and engine sheave.
6. Reinstall idler spring.
7. Reinstall mower belt. Adjust mower belt tension per
mower Owner/Operator Manual.
SERVICE AND ADJUSTMENTS
WARNING:
AVOID INJURY. Read and
understand entire
Safety
section before
proceeding.
1. Electric Clutch
2. Engine Sheave
3. Drive Belt
4. Pump Sheave
5. Idler Spring
6. Idler Pulley
OF3330
Figure 6
1
2
3
4
5
6
