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728444 Rev. 11/02
6-1
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).
TROUBLESHOOTING
SYMPTOMS PROBABLE CAUSES SUGGESTED REMEDIES
Safety interlock system Engage system
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
No fuel or line plugged Fill tank or replace line
Pump engaged Disengage pump
Numerous See engine manual
Numerous See engine manual
Restriction in air cleaner Service air cleaner
Hydraulic line blockage See your dealer
Internal interference or See your dealer
leakage in wheel motor
Insufficient hydraulic oil Check level or reservoir
supply
Have dealer check
hydraulic pump
Poor compression or See your dealer or engine
timing manual
Steering linkage needs Adjust linkage
adjustment
Relief valves on pump See your dealer
stuck open
For additional causes See engine manual
Leaks in system Replace/tighten hoses
and connections
Coolant level low Add coolant
Fan belt slipping Adjust belt tension
Radiator screen clogged Clean screen
Radiator core clogged Clean radiator core
Thermostat sticking or See engine manual
inoperative
Heat light malfunction See your dealer
For additional causes See engine manual
SYMPTOMS PROBABLE CAUSES SUGGESTED REMEDIES
Low oil level Add oil
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
Fan belt slipping Adjust belt tension
Wiring defective See your dealer
Alternator malfunctioning See your dealer
Numerous See engine manual
Steering control linkage Adjust linkage
needs adjustment
Pump or wheel motors See your dealer
faulty
Low hydraulic oil level Fill reservoir
Cooling fins plugged Clean fins
Hydraulic pump faulty See your dealer
Steering linkage needs Adjust linkage
adjustment
Steering linkage needs Adjust linkage
adjustment
Wheel motor faulty See your dealer
Hydraulic pump faulty See your dealer
Unequal tire pressure Inflate tires equally
Brake needs adjustment Adjust parking brake
Neutral lock levers need Adjust neutral lock levers
adjusting
Too much weight on Reduce amount of weight
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
Fuse blown Replace fuse
Loose wires Check wiring
Starting motor
does not crank
Engine cranks but
does not start
Engine:
Runs with continuous
misfiring
Engine runs unevenly
Engine runs improperly
Loss of power or system
will not operate in
either direction
Loss of power or system
will not operate in
either direction
Overheating:
Temperature light glows
Frequent refilling of
radiator required
Coolant appears rusty
Audible alarm
Oil light glows
Audible alarm
Alternator light glows
High oil consumption
Engine knocks and other
engine noises
Tractor jerky when starting
or
Tractor operates in one
direction only
Hydraulic system operating
hot
Tractor creeps when
steering control lever
in neutral
Tractor circles or veers
in one direction
Tractor creeps when
parking brake on
Attachment/auxiliary
lifts respond slowly
PTO shaft will not turn