Troubleshooting


IF	CHECK
ENGINE WILL NOT CRANK	Transmission pedals out of neutral position.
	Operator not on seat.
	Mow/Transport lever not in transport.
	Ignition interlock switches not aligned correctly.
	Loose or corroded battery connections.
	Low battery output. Sulfated or worn out battery.
	Starter faulty.
	Blown fuse.
	Melted fusible link.
ENGINE WILL NOT START	Fuel shut-off valve closed.
	No fuel.
	Wrong fuel.
	Plugged fuel filter.
	Stale fuel.
ENGINE HARD TO START	Injectors dirty.
	Loose or corroded electrical connections.
	Stale fuel.
ENGINE MISSES UNDER LOAD	Stale fuel.
ENGINE RUNS UNEVENLY	Loose electrical connections.
ENGINE RUNS UNEVENLY	Throttle cable sticking.
ENGINE KNOCKS	Stale fuel.
	Engine overloaded.
	Low engine speed.
ENGINE LOSES POWER	Engine overheating.
	Too much oil in engine.
	Dirty air cleaner.
	High altitude operation.


ENGINE OVERHEATS	Low coolant level.
	Engine oil low.
	Air cleaner element plugged.
	Engine air intake screen plugged.
	Plugged radiator fins.
	Cooling system plugged.
	Engine operated too long at idle speed.
	Engine overloaded.
	Faulty thermostat.
	Faulty radiator cap.
LOW OIL PRESSURE	Engine oil level low.
LOW OIL PRESSURE	Plugged oil filter.


IF	CHECK
BATTERY WILL NOT TAKE A CHARGE	Dead cell in battery.
	Loose or corroded connections.
	Sulfated or worn out battery.
	Fluid level low.
STARTER DOES NOT WORK	Loose or corroded connections.
	Low battery output. Sulfated or worn out battery.
	Faulty starter.
STARTER CRANKS SLOWLY	Low battery output. Sulfated or worn out battery.
	Engine oil too heavy.
	Loose or corroded connections.
ENTIRE ELECTRICAL SYSTEM DOES NOT WORK	Blown fuse.
	Loose or corroded connections.
	Sulfated or worn out battery.
DEAD BATTERY	Shorted starter solenoid.
	Ignition switch wired wrong.
	Sulfated or worn out battery.
BATTERY LIGHT GOES ON WHEN ENGINE IS RUNNING	Low engine speed.
	Faulty voltage regulator.
	Faulty battery.
	Faulty alternator.
	Grounded wire in circuit.
INDICATOR LIGHTS DO NOT COME ON IN "START" POSITION	Faulty bulb.
	Faulty wiring.
	Faulty sensor.


IF	CHECK
HYDRAULIC SYSTEM FAILS TO FUNCTION	Low oil level.
	Failed coupler.
	Faulty relief valve.
	Faulty pump or motor(s).
	Clogged suction line.
SLOW REEL SPEED	Oil level low. (See Checking Hydraulic Oil Level in Service-Transmission section).
	Oil overheats.
	Wrong oil.
	Worn pump or motor(s).
	Worn or stuck relief valve.
	Dirty relief valve.
	Reels too tight against bed knife.
	Reel speed control knob on backlapping valve in lower speed position.
NOISY PUMP	Low oil level.
	Wrong oil.
	Air leaks.
OIL OVERHEATS	Low oil level.
	High-pressure internal leak.
	Dirty oil.
	Wrong oil.
	Parking brake locked.
	High ambient temperatures working under heavy loads.
FOAMING OIL	Low oil level.
	Wrong oil.
	Air leaks.


IF	CHECK
MACHINE WILL NOT MOVE FORWARD OR BACKWARD.	Low oil level.
	Free-wheeling lever in wrong position.
	Wrong Oil.
	Control linkage out of adjustment.
	Low charge pressure.
	Failed coupler.
	Internal pump damage.
NOISY SYSTEM	Low oil level.
	Air in system.
	Oil filter plugged.
	Internal pump or motor damage.
	Parking brake locked.
ACCELERATES SLOWLY	Low oil level.
	Control linkage loose or out of adjustment.
	Air in system.
	Low charge pressure.
	Parking brake locked.
MACHINE MOVES WITH ENGINE RUNNING AND HYDROSTATIC CONTROL PEDALS IN NEUTRAL	Linkage out of adjustment.
PEDALS DO NOT RETURN TO NEUTRAL	Spring out of adjustment.


IF	CHECK
POOR CUTTING	Reel-to-bed knife out of adjustment.
	Reel dull.
	Ground speed too high. Engine speed too slow (not at rated 2975 75 rpm).
	Bed knife and/or reel grooved, ribbed, or rifled due to reel-to-bed knife adjustment too tight or running machine without grass in the reels.
CORRUGATED OR RIBBED APPEARANCE TO TURF.	Ground speed too high or engine rpm too slow (not at rated 2975 75 rpm).
GRASS BUILDUP ON ROLLS	Scraper out of adjustment.
MOWERS WILL NOT RAISE/LOWER	Not enough oil in reservoir.
	Double gear pump does not rotate.
	No output from pump.
	Failed foot switch.
	Broken or shorted wiring.
	Defective solenoid.
	Control valve spool does not move.
REELS WILL NOT ROTATE	Reels too tight against bed knife.
	Not enough oil in reservoir.
	Double gear pump does not rotate.
	No output from pump.
	Broken or shorted wiring.
	Defective solenoid.
	Control valve spool does not move.
MOWER REELS SQUEAL	Operating reel without grass (juice lubricates reel and bed knife).
MOWER REELS SQUEAL	Reel-to-bed knife clearance is inadequate.
REELS TURNING BACKWARD	Reels turning at high rpm.
REELS TURNING BACKWARD	Backlapping knob not returned to forward position.
OIL LEAKS FROM CUTTING UNIT MOTOR	Motor seal leaks.