Problem
Possible Cause
Corrective Action
1. The by pass valves is not closed tight.
1. Tighten the by pass 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 sprint is broken or missing.
4. Replace the spring.
The machine does not drive.
5. The hydraulic oil level is low or too hot.
5. Add hydraulic oil to 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.
There is abnormal vibration.
7. The motor mount is loose or worn.
7. Contact an Authorized Service Dealer.
1. The blade(s) not sharp.
1. Sharpen the blade(s).
2. The cutting blade(s) is/are bent.
2. Install new cutting blade(s).
3. The mower deck is not level.
3. Level the mower deck from side-to-side
and front-to-rear.
4. The underside of mower is dirty.
4. Clean the underside of the mower.
5. The tire pressure is not correct.
5. Adjust the tire pressure.
Mowing is resulting in uneven cutting
height.
6. The blade spindle bent.
6. Contact an Authorized Service Dealer.
1. The mower deck belt is worn, loose or
broken.
1. Install a new deck belt.
2. The mower deck belt is off pulley.
2. Install the mower deck pulley and
check the idler pulley, idler arm, and
spring for correct position and function.
3. The pump drive belt is worn, loose or
broken.
3. Check the belt tension or install a new
belt.
The blades do not rotate.
4. The idler spring is broken or missing.
4. Replace the spring.
1. The fuse is blown.
1. Replace the fuse. Check coil
resistance, battery charge, charging
system, and wiring connections and
replace if necessary.
2. There is low voltage supply at the
clutch.
2. Check coil resistance, battery
charge, charging system, and wiring
connections and replace 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 will not engage.
5. The rotor/armature airgap is too large.
5. Remove the shim or replace the clutch.
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