Problem Possible Cause Corrective Action
There is abnormal vibration. 1. 1.
Uneven cutting height.
The blades do not rotate.
.
The engine mounting
bolts are loose.
The engine pulley, idler
pulley, or blade pulley is
loose.
3. The engine pulley is
damaged.
4. The cutting blade(s)
is/are bent or
unbalanced.
5. A blade mounting bolt is
loose.
6. A blade spindle is bent.
1. The blade(s)is not sharp.
2. A cutting blade(s) is/are
bent.
3. The mower is not level.
4. An anti-scalp wheel is
not set correctly.
5. The underside of the
mower is dirty.
6. The tire pressure is
incorrect.
7. A blade spindle is bent.
1. The drive belt is worn,
loose or broken.
2. The drive belt is off of the
pulley.
3. The mower belt is worn,
loose, or broken.
Tighten the engine
mounting bolts.
2. Tighten the appropriate
pulley.
3. Contact an Authorized
Service Dealer.
4. Install a new cutting
blade(s).
5. Tighten the blade
mounting bolt.
6. Contact an Authorized
Service Dealer.
.
2.
.
.
5.
6.
7.
Sharpen the blade(s).
Install a new cutting
blade(s).
Level the mower
from side-to-side and
front-to-rear.
Adjust the anti-scalp
wheel height.
Clean the underside of
the mower.
Adjust the tire pressure.
Contact an Authorized
Service Dealer.
1. Install a new drive belt.
2. Install the drive belt
and check the adjusting
shafts and belt guides for
the correct position.
3. Install a new mower belt.
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