Problem
Possible Cause
Corrective Action
1. The bypass valves are not closed tight.
1. Tighten the bypass valves.
2. The pump belt is worn, loose, or
broken.
2. Change the belt.
3. The pump belt is off a pulley.
3. Change the belt.
4. The idler spring is broken or missing.
4. Replace the spring.
The machine does not drive.
5. The hydraulic fluid level is low or too
hot.
5. Add hydraulic fluid to the reservoirs or
let it cool down.
1. The cutting blade(s) is/are bent or
unbalanced.
1. Install new cutting blade(s).
2. The blade mounting bolt is loose.
2. Tighten the blade mounting bolt.
3. The engine mounting bolts are loose.
3. Tighten the engine mounting bolts.
4. The engine pulley, idler pulley, or blade
pulley is loose.
4. Tighten the appropriate pulley.
5. The engine pulley is damaged.
5. Contact an Authorized Service Dealer.
6. The blade spindle is bent.
6. Contact an Authorized Service Dealer.
The machine vibrates abnormally.
7. The motor mount is loose or worn.
7. Contact an Authorized Service Dealer.
1. The blade(s) is not sharp.
1. Sharpen the blade(s).
2. A cutting blade(s) is/are bent.
2. Install a new cutting blade(s).
3. The mower is not level.
3. Level the mower from side-to-side and
front-to-rear.
4. An anti-scalp roller (if applicable) is not
set correctly.
4. Adjust the anti-scalp wheel height.
5. The underside of the mower deck is
dirty.
5. Clean the underside of the mower
deck.
6. The tire pressure is incorrect.
6. Adjust the tire pressure.
The cutting height is uneven.
7. A blade spindle is bent.
7. Contact an Authorized Service Dealer.
1. The drive belt is worn, loose or broken.
1. Install a new drive belt.
2. The drive belt is off of the pulley.
2. Install the drive belt and check the
adjusting shafts and belt guides for the
correct position.
3. The power takeoff (PTO) switch or
PTO clutch is faulty.
3. Contact an Authorized Service Dealer.
The blades do not rotate.
4. The mower belt is worn, loose, or
broken.
4. Install a new mower belt.
1. The fuse is blown.
1. Replace the fuse. Check the coil
resistance, battery charge, charging
system, and wiring connections, and
replace components if necessary.
2. There is low voltage supply at the
clutch.
2. Check the coil resistance, battery
charge, charging system, and wiring
connections and replace parts if
necessary.
3. The coil is damaged.
3. Replace the clutch.
4. There is inadequate current supply.
4. Repair or replace the clutch lead
wire or electrical system. Clean the
connector contacts.
The clutch does not engage.
5. The rotor/armature air gap is too large.
5. Remove the shim or replace the clutch.
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