778845 Rev. 7/04
SYMPTOMS PROBABLE CAUSES SUGGESTED REMEDIES
Engine cranks but No fuel or line Fill tank or replace
does not start plugged line
Numerous See engine manual
Engine: Numerous See engine manual
Runs with continuous
misfiring or engine runs Restrictions in air cleaner Service air cleaner
unevenly or erratically
Loss of hydraulic power or Hydraulic line blockage See your dealer
system will not operate
in either direction Internal interference or See your dealer
leakage in wheel motor
Insufficient hydraulic Check level in reservoir
oil supply
Check suction fittings and
filter tightness
Have dealer check
hydraulic pump
Pump belt slipping Tighten pump belt
Steering linkage Adjust linkage
needs adjustment
Pump by-pass valve not Tighten by-pass valve
tightened properly properly
Overheating Air intake screen or Clean screen and fin
cleaning fins clogged
For additional causes See engine manual
Low oil pressure Low oil level Add oil
Oil diluted or too light Change oil and check for
source of contamination
High oil consumption Numerous See your dealer
Unit jerky when starting Steering control linkage Adjust linkage
or needs adjustment
operates in one direction
only Pump or wheel motors See your dealer
faulty
Hydraulic system operates Low hydraulic oil level Fill reservoir
hot (oil in reservoir
smells rancid) Hydraulic pump faulty See your dealer
Unit creeps when Steering linkage needs Adjust linkage
steering control levers adjustment
are in neutral
Unit circles or veers Steering linkage needs Adjust linkage
in one direction adjustment
Wheel motors faulty See your dealer
Hydraulic pump faulty See your dealer
TROUBLESHOOTING
The majority of operating problems that occur with a system can be traced to improper adjustments or delayed service. A
consistently applied preventative 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
6-1
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