Problem
Possible Cause
Corrective Action
1. Blade(s) not sharp.
1. Sharpen the blade(s).
2. Cutting blade(s) is/are bent.
2. Install new cutting blade(s).
3. Mower deck is not level.
3. Level the mower deck side-to-side
position.
4. Mower deck pitch is wrong.
4. Adjust the front-to-rear pitch.
5. Underside of mower deck is dirty.
5. Clean the underside of the mower
deck.
6. Tire pressure is not correct.
6. Adjust the tire pressure.
The cutting height is uneven.
7. Blade spindle bent.
7. Contact an Authorized Service Dealer.
1. Pump drive belt is worn, loose or
broken.
1. Check the belt tension.
2. Pump drive belt is off pulley.
2. Install drive belt and check adjusting
shafts and belt guides for correct
position.
3. Mower deck belt is worn, loose or
broken.
3. Install new deck belt.
4. Mower deck belt is off pulley.
4. Install deck pulley and check the idler
pulley, idler arm and spring for correct
position and function.
5. Broken or missing idler spring.
5. Replace the spring.
6. Electric clutch out of adjustment.
6. Adjust the clutch air gap.
7. Clutch connector or wire damaged.
7. Contact an Authorized Service Dealer.
8. Damaged electric clutch.
8. Contact an Authorized Service Dealer.
9. Safety interlock system prevents blade
rotation.
9. Contact an Authorized Service Dealer.
The blades do not rotate.
10. PTO switch is faulty.
10. Contact an Authorized Service Dealer.
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Summary of Contents for GrandStand 74574
Page 65: ...g026979 Electrical Schematic Rev A 65 ...
Page 66: ...Notes 66 ...
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