John Deere pd54 Lawn Mower User Manual


 
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4. MAINTENANCE
4.36 ELECTRICAL TROUBLESHOOTING
CAUSE REMEDY
Excessive electrical load from added
accessories.
Excessive engine idling.
Poor electrical connections on battery,
ground strap, starter, or alternator.
Defective battery.
Defective alternator.
Cracked battery case.
Defective battery.
Battery charging rate too high.
Loose or corroded connections.
Sulfated or worn-out batteries.
Loose or defective alternator belt.
Loose or corroded connections.
Low battery output voltage.
Faulty start circuit relay.
Low battery output.
Crankcase oil too heavy.
Loose or corroded connections.
Faulty battery connection.
Sulfated or worn-out batteries.
Blown fuse.
Remove accessories.
Increase engine RPM when heavy
electrical load is used.
Inspect and clean as necessary.
Test battery.
Test charging system.
Check for moisture and replace as
necessary.
Test battery.
Test charging system.
Clean and tighten connections.
See your authorized servicing dealer or
engine distributor.
Adjust belt tension or replace belts.
Clean and tighten loose connections.
See your authorized servicing dealer or
engine distributor.
See your authorized servicing dealer or
engine distributor.
See your authorized servicing dealer or
engine distributor.
Use proper viscosity oil.
Clean and tighten loose connections.
Clean and tighten connections.
See your authorized servicing dealer or
engine distributor.
Replace fuse.
PROBLEM
Undercharged system.
Battery used too much water.
Batteries will not charge.
Starter will not crank.
Starter cranks slowly.
Entire electrical system does not
function.