Troubleshooting

 

 

 

 

 

Problem

 

Possible Cause

 

Corrective Action

 

 

 

 

 

Clutch will not engage.

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.

 

5.

Rotor/armature airgap is too large.

5.

Remove shim or replace clutch.

 

 

 

 

 

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Exmark 4500-872 manual Troubleshooting