Exmark Lazer Z Mower 4500-645 - Manual (Page 55)

Troubleshooting
Problem Possible Cause Corrective Action
1. Drive belt is worn, loose or broken. 1. Check the belt tension.
2. Deck belt is worn, loose or broken. 2. Install new deck belt.
3. Deck belt is off pulley. 3. Install belt on clutch and deck pulleys,
idlers, and tensioning idler per routing
decal on deck.
4. Broken or missing idler spring. 4. Replace the spring.
Blades do not rotate.
5. Drive belt not routed correctly. 5. Refer to belt routing decal on deck.
1. Fuse is blown. 1. Replace fuse. Check coil resistance,
battery charge, charging system, and
wiring connections and replace if
necessary.
2. Low voltage supply at the clutch. 2. Check coil resistance, battery charge,
charging system, and wiring connections
and replace if necessary.
3. Damaged coil. 3. Replace clutch.
4. Inadequate current supply. 4. Repair or replace clutch lead wire or
electrical system. Clean connector
contacts.
Clutch will not engage.
5. Rotor/armature airgap is too large. 5. Remove shim or replace clutch.
55