John Deere GT2554 - Manual (Page 43)

Troubleshooting - 39
TROUBLESHOOTING
Machine
Electrical
Engine Overheats Engine air intake screen plugged.
Cooling fins plugged.
Engine oil low.
Engine operated too long at slow idle speed.
Engine Loses Power Engine overheating.
Too much oil in engine.
Dirty air cleaner.
Faulty spark plug.
Engine Knocks Low engine speed.
Stale or low octane fuel.
Engine overloaded.
Oil level low.
Engine Backfires Faulty spark plug.
Operator raising off seat.
Shut down procedure for engine not correct.
Engine Stops When REVERSE foot pedal is
depressed and Attachment Is Engaged Normal condition. (See Using Reverse Implement Option in
OPERATING section.)
If Check
Machine Vibrates Too Much Attachment drive belts worn or damaged.
Dirt on drive sheaves.
Machine Will Not Move With Engine Running Transmission hydraulic oil level low.
Parking brake locked.
Machine Moves With Engine Running And
Hydrostatic Control In Neutral Linkage out of adjustment.
If Check
Starter Does Not Work Or Will Not Turn Engine Brake pedal not down.
PTO knob in ON position.
Battery terminals corroded.
Battery dead or low charge.
If Check