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Problem
There is an uneven cutting pattern.
The discharge chute gets plugged up.
The machine does not self-propel.
The blades do not rotate or they slip.
The blades contact each other.
Possible Cause
1. All 4 wheels are not at the same height.
2. The blades are dull.
3. You are mowing in the same pattern
repeatedly.
4. The underside of the machine contains
clippings and debris.
5. The blade spindle is bent.
1. The throttle lever is not in the Fast
position.
2. The cutting height is too low.
3. You are mowing too fast.
4. The grass is wet.
5. The underside of the machine contains
clippings and debris.
1. The self-propel-drive cable is out of
adjustment or is damaged.
2. There is debris in the belt area.
3. The belt is damaged.
1. The BBC belt or the timing belt is worn,
loose, or broken.
2. The BBC belt is off the pulley.
3. The BBC cable is worn, loose, or
broken.
1. The blades are installed or aligned
incorrectly.
2. The blade adapters are worn, loosen,
or broken.
3. The timing belt or worn, loose, or
broken.
4. The timing sprockets or idler pulley is
worn, loose, or broken.
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Corrective Action
1. Place all 4 wheels at the same height.
2. Sharpen and balance the blades.
3. Change the mowing pattern.
4. Clean under the machine.
5. Contact an Authorized Service Dealer.
1. Move the throttle lever to the F
position.
2. Raise the cutting height; if necessary,
mow a second time at a lower cutting
height.
3. Slow down.
4. Allow the grass to dry before mowing.
5. Clean under the machine.
1. Adjust the self-propel-drive cable;
replace the cable if necessary.
2. Clean the debris from the belt area.
3. Replace the belt.
1. Adjust the BBC cable; adjust the timing
belt tension; replace them if necessary.
2. Check the belt for damage and contact
an Authorized Service Dealer if
necessary.
3. Adjust the BBC cable; replace it if
necessary.
1. Install the blades properly.
2. Replace the blade adapters.
3. Contact an Authorized Service Dealer.
4. Contact an Authorized Service Dealer.
AST
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