Warner Electric TG-2000 MagStop Clutch_Brake - Manual (Page 14)

14 Warner Electric • 800-825-9050 P-1177 • 819-0457
Troubleshooting Checklist
A. Symptom: Clutch will not engage
Problem Possible Causes Solution
Blown fuse • Low coil resistance • Replace with new MagStop unit
• Defective battery • Replace
• Faulty charging system • Repair or replace
• Bad wiring or connections, PTO switch • Repair or replace
Low voltage supply • Defective battery • Replace
(Less than 12 VDC at clutch) • Faulty charging system • Repair or replace
• Bad wiring or connectors, PTO switch • Repair or replace
Incorrect coil resistance • Damaged coil • Replace with new MagStop unit
(see Step 1, page 17)
Inadequate current supply • Broken clutch lead wire • Repair
• Faulty electrical system • Measure clutch coil resistance and
supply voltage at the clutch. If both
are correct, electrical system
is faulty. Repair or replace.
Rotor/armature airgap too large • Rotor/armature wear; end of usable life • Replace with new MagStop unit
(greater than .125 inch/3.18mm)
B. Symptom: Brake will not engage
Problem Possible Causes Solution
Armature/brake poles wore out • End of usable life • Replace with new MagStop unit
Contaminated friction surfaces • Engine oil leak on brake • Repair leak
• Replace with new MagStop unit
C. Symptom: Clutch slip
Problem Possible Causes Solution
Low voltage supply • Defective battery • Replace
(less than 12 VDC at clutch) • Faulty charging system • Repair or replace
• Bad wiring or connectors, PTO switch • Repair
Inadequate current supply • Broken clutch lead wire • Repair
• Faulty electrical system • Measure clutch coil resistance and
supply voltage at the clutch. If both
are correct, electrical system is
faulty. Repair or replace.
Overloaded clutch • Clogged deck, back spindle, etc. • Remove excess grass
• Replace spindle
Contaminated friction surfaces • Engine oil leak on clutch • Repair leak
• Replace with new MagStop unit