Hustler Turf 4300, 4420, 4400, 4200 Troubleshooting, Symptoms Probable Causes Suggested Remedies

TROUBLESHOOTING

The majority of operating problems that occur with a system can be traced to improper adjustments or delayed service. A consistently applied preventive maintenance program, as outlined in the maintenance section of this manual, will prevent many problems. The following chart is designed to help you locate a problem by suggesting probable causes and the recommended solution(s).

SYMPTOMS	PROBABLE CAUSES	SUGGESTED REMEDIES
Starting motor	Safety interlock system	Engage system
does not crank	not engaged
	Electric clutch switch	Put switch in off position
	in on position
	Fuse blown	Replace fuse
	Weak or dead battery	Recharge or replace
		battery
	For additional causes	See engine manual
Engine cranks but	No fuel or line plugged	Fill tank or replace line
does not start	Pump engaged	Disengage pump
	Numerous	See engine manual
Engine:	Numerous	See engine manual
Runs with continuous
misfiring
Engine runs unevenly
Engine runs improperly
Loss of power or system	Restriction in air cleaner	Service air cleaner
will not operate in	Hydraulic line blockage	See your dealer
either direction
	Internal interference or	See your dealer
	leakage in wheel motor
	Insufficient hydraulic oil	Check level or reservoir
	supply
		Have dealer check
		hydraulic pump
Loss of power or system	Poor compression or	See your dealer or engine
will not operate in	timing	manual
either direction
	Steering linkage needs	Adjust linkage
	adjustment
	Relief valves on pump	See your dealer
	stuck open
	For additional causes	See engine manual
Overheating:	Leaks in system	Replace/tighten hoses
Temperature light glows		and connections
Frequent refilling of	Coolant level low	Add coolant
	Fan belt slipping	Adjust belt tension
radiator required
Coolant appears rusty	Radiator screen clogged	Clean screen
	Radiator core clogged	Clean radiator core
Audible alarm	Thermostat sticking or	See engine manual
	inoperative
	Heat light malfunction	See your dealer
	For additional causes	See engine manual

SYMPTOMS	PROBABLE CAUSES	SUGGESTED REMEDIES
Oil light glows	Low oil level	Add oil
Audible alarm	Oil pressure gauge or	See your dealer
	line faulty
	Oil diluted or too light	Change oil and check for
	a grade	source of contamination
	For additional causes	See engine manual
Alternator light glows	Fan belt slipping	Adjust belt tension
	Wiring defective	See your dealer
	Alternator malfunctioning	See your dealer
High oil consumption	Numerous	See engine manual
Engine knocks and other
engine noises
Tractor jerky when starting	Steering control linkage	Adjust linkage
or	needs adjustment
Tractor operates in one
	Pump or wheel motors	See your dealer
direction only
	faulty
Hydraulic system operating	Low hydraulic oil level	Fill reservoir
hot	Cooling fins plugged	Clean fins
	Hydraulic pump faulty	See your dealer
Tractor creeps when	Steering linkage needs	Adjust linkage
steering control lever	adjustment
in neutral
Tractor circles or veers	Steering linkage needs	Adjust linkage
in one direction	adjustment
	Wheel motor faulty	See your dealer
	Hydraulic pump faulty	See your dealer
	Unequal tire pressure	Inflate tires equally
Tractor creeps when	Brake needs adjustment	Adjust parking brake
parking brake on	Neutral lock levers need	Adjust neutral lock levers
	adjusting
Attachment/auxiliary	Too much weight on	Reduce amount of weight
lifts respond slowly	attachment
	Hydraulic oil level low	Add oil to system
	Hydraulic pump faulty	See your dealer
	Valve control faulty	See your dealer
	Leak in hydraulic system	See your dealer
	Restriction in hose or	Check hoses
	fitting
PTO shaft will not turn	Fuse blown	Replace fuse
	Loose wires	Check wiring

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