39
Problem
Corrective Action
Possible Causes
The engine loses power.
1. The engine load is excessive.
1. Reduce your ground speed.
g
p
2. The air cleaner is dirty.
2. Clean the air cleaner element.
3. The oil level in the crankcase is
low.
3. Add oil to the crankcase.
4. The cooling fins and air
passages under the engine
blower housing are plugged.
4. Remove the obstruction from
the cooling fins and air
passages.
5. The spark plug is pitted, fouled,
or the gap is incorrect.
5. Install a new, correctly-gapped
spark plug.
6. The vent hole in the fuel cap is
plugged.
6. Clean or replace the fuel cap.
7. There is dirt in the fuel filter.
7. Replace the fuel filter.
8. Dirt, water, or stale fuel is in the
fuel system.
8. Contact an Authorized Service
Dealer.
There is abnormal vibration.
1. The blades are bent or
unbalanced.
1. Install a new blades.
2. The blade mounting screws are
loose.
2. Tighten the blade mounting
screws.
3. The engine mounting bolts are
loose.
3. Tighten the engine mounting
bolts.
4. There is a loose engine pulley,
idler pulley, or blade pulley.
4. Tighten the appropriate pulley.
5. The engine pulley is damaged.
5. Contact an Authorized Service
Dealer.
6. The blade drive belt is
damaged.
6. Install a new blade drive belt.
The blades do not rotate.
1. The blade drive belt is worn,
loose, or broken.
1. Install a new blade drive belt.
2. The blade drive belt is off the
pulley.
2. Install the blade drive belt and
adjust it for the correct tension.
3. The grass collector is not in
place.
3. Install the grass collector.
The cutting height is uneven.
1. The tire pressure is incorrect.
1. Set the tire pressure.
g
g
2. The mower is not level.
2. Adjust the height adjustment
cable rod assembly.
3. The underside of the mower is
dirty.
3. Clean the underside of the
mower.
4. The blade mounting screws are
loose.
4. Tighten the blade mounting
screws.
5. The blade drive belt tension is
incorrect.
5. Adjust the blade drive belt.