Problem
Possible Cause Corrective Action
1. The engine load is excessive. 1. Reduce the ground speed.
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 ns and the air passages
above the engine are plugged.
4. Remove the obstruction from the
cooling ns and the air passages.
5. The vent hole in the fuel cap is plugged. 5. Clean or replace the fuel cap.
6. There is dirt in the fuel lter . 6. Replace the fuel lter .
The engine loses power .
7. There is dirt, water , or stale fuel in the
fuel system.
7. Contact an Authorized Service Dealer .
1. The engine load is excessive. 1. Reduce the ground speed.
2. The oil level in the crankcase is low . 2. Add oil to the crankcase.
3. The cooling ns and air passages
under the engine-blower housing are
plugged.
3. Remove the obstruction from the
cooling ns and air passages.
4. The air cleaner is dirty .
4. Clean or replace the air-cleaner
element.
The engine overheats.
5. Dirt, water , or stale fuel is in the fuel
system.
5. Contact an Authorized Service Dealer
1. The tracking needs adjustment 1. Adjust the tracking.
The machine pulls to the left or right (with
the motion-control levers fully forward).
2. The tire pressure in the drive tires is
not correct.
2. Adjust the tire pressure in the drive
tires.
1. The bypass valves are not closed tight. 1. T ighten the bypass valves.
2. The pump belt is worn, loose, or
broken.
2. Change the belt.
3. The pump belt is of f 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 uid level is low or too
hot.
5. Add hydraulic uid 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. T ighten the blade mounting bolt.
3. The engine mounting bolts are loose. 3. T ighten the engine mounting bolts.
4. The engine pulley , idler pulley , or blade
pulley is loose.
4. T ighten 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. The underside of the mower deck is
dirty .
4. Clean the underside of the mower
deck.
5. The tire pressure is incorrect. 5. Adjust the tire pressure.
6. The spacers are in the wrong location. 6. Position the spacers under hairpin
cotters.
The cutting height is uneven.
7. The tips of adjacent blades are at an
uneven cutting height.
7. Replace the blades or spindles and/or
check for damage to mower deck.
1. The PT O belt is worn, loose, or broken. 1. Check the belt tension or replace belt
2. The PT O shaft is not connected. 2. Connect the PT O shaft.
The blades do not rotate.
3. The PT O belt is of f the pulley . 3. Check the belt for damage. Install the
belt and check adjusting shafts and
belt guides for correct position.
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