Toro Z Master Professional 7500-D Series Operator's Manual page 64

Problem
The machine pulls left or right (with the
motion-control levers fully forward).
There is abnormal vibration.
Mowing is resulting in uneven cutting
height.
The blades do not rotate.
The clutch does not engage.
Possible Cause
1. The tracking needs adjustment.
2. The tire pressure in the drive tires is
not correct.
3. The reverse indicator and
motion-control linkage need
adjustment.
1. The cutting blade(s) is/are bent or
unbalanced.
2. The blade mounting bolt is loose.
3. The engine mounting bolts are loose.
4. The engine pulley, idler pulley, or blade
pulley is loose.
5. The engine pulley is damaged.
6. The blade spindle is bent.
7. The motor mount is loose or worn.
1. The blade(s) is/are not sharp.
2. The cutting blade(s) is/are bent.
3. The mower deck is not level.
4. The underside of mower is dirty.
5. The tire pressure is not correct.
6. The blade spindle bent.
1. The drive belt is worn, loose, or broken.
2. The drive belt is off the pulley.
3. The deck belt is worn, loose, or broken.
4. The deck belt is off the pulley.
5. There is a broken or missing idler
spring.
6. The clutch has disengaged.
7. The wing decks are not fully lowered.
1. A fuse is blown.
2. There is low voltage supply at the
clutch.
3. There is an inadequate current supply.
4. Engine has overheated.
5. The wing decks are not fully lowered.
64
Corrective Action
1. Adjust the tracking.
2. Adjust the tire pressure in the drive
tires.
3. Adjust the reverse indicator and the
motion-control linkage.
1. Install new cutting blade(s).
2. Tighten the blade mounting bolt.
3. Tighten the engine mounting bolts.
4. Tighten the appropriate pulley.
5. Contact an Authorized Service Dealer.
6. Contact an Authorized Service Dealer.
7. Contact an Authorized Service Dealer.
1. Sharpen the blade(s).
2. Install new cutting blade(s).
3. Level the mower deck from side-to-side
and front-to-rear.
4. Clean the underside of the mower.
5. Adjust the tire pressure.
6. Contact an Authorized Service Dealer.
1. Check the belt tension.
2. Check belt for damage; replace if
necessary. Install the drive belt and
check the belt guide for the correct
position.
3. Install a new deck belt.
4. Install the deck pulley, idler pulley, idler
arm, and spring for correct position
and function.
5. Replace the idler spring.
6. The engine has overheated; determine
the cause of overheating.
7. Lower the wing decks.
1. Replace the fuse. Check the coil
resistance, battery charge, charging
system, and wire connections.
Replace if necessary.
2. Check the coil resistance, battery
charge, charging system, and wire
connections. Replace if necessary.
3. Repair or replace the clutch-lead
wire or electrical system. Clean the
connector contacts.
4. The engine has overheated; determine
the cause of overheating.
5. Lower the wing decks.