43
PROBLEM
CORRECTIVE ACTION
POSSIBLE CAUSES
Engine loses power.
1.
Engine load is excessive.
1.
Reduce ground speed.
g
2.
Air cleaner is dirty.
2.
Clean air cleaner element.
3.
Oil level in crankcase is low.
3.
Add oil to crankcase.
4.
Cooling fins and air passages
under engine blower housing
are plugged.
4.
Remove obstruction from
cooling fins and air passages.
5.
Spark plug is pitted, fouled, or
gap is incorrect.
5.
Install new, correctly gapped
spark plug.
6.
Vent hole in fuel cap is
plugged.
6.
Clean or replace the fuel cap.
7.
Dirt in fuel filter.
7.
Replace fuel filter.
8.
Dirt, water, or stale fuel is in
fuel system.
8.
Contact Authorized Service
Dealer.
Engine overheats.
1.
Engine load is excessive.
1.
Reduce ground speed.
g
2.
Oil level in crankcase is low.
2.
Add oil to crankcase.
3.
Cooling fins and air passages
under engine blower housing
are plugged.
3.
Remove obstruction from
cooling fins and air passages.
Machine does not drive.
1.
Shift lever is in NEUTRAL.
1.
Move shift lever to a drive
gear position.
2.
Traction belt is worn, loose or
broken.
2.
Change Belt.
3.
Traction belt is off pulley.
3.
Change Belt.
Abnormal vibration.
1. Cutting blade(s) is/are bent or
unbalanced.
1. Install new cutting blade(s).
2. Blade mounting bolt is loose.
2. Tighten blade mounting bolt.
3. Engine mounting bolts are
loose.
3. Tighten engine mounting bolts.
4. Loose engine pulley, idler
pulley, or blade pulley.
4. Tighten the appropriate pulley.
5. Engine pulley is damaged.
5. Contact Authorized Service
Dealer.
6. Blade spindle bent.
6. Contact Authorized Service
Dealer.
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