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Problem
Instrument panel engine
oil pressure indicator light
is "ON" during operation.
Instrument panel battery
charging indicator is "ON"
during operation.
Diesel Particulate Filter
(DPF) and burner not
functioning properly
Engine will only run
for approximately thirty
seconds
Clutch - Troubleshooting
Problem
Clutch slips
Clutch does not release
Hydraulic service brakes - Troubleshooting
Problem
Brake does not work or
only one side works.
After engaging brake
pedal, pedal will not
return
Hydraulic Lift System - Troubleshooting
Problem
The 3-point linkage will
not raise
8 - TROUBLESHOOTING
Possible Cause
Lack of engine oil
Low viscosity of engine oil
Faulty pressure switch
Faulty engine oil pump
Engine oil filter clogged
Bad electrical connection
Faulty alternator
Faulty battery
Incorrect fan belt tension or belt broken
Excessive soot build up in (DPF)
Air pump not working
Burner not igniting
Burner not igniting
Burner not igniting
Engine Control Unit (ECU) not functioning
properly
Excessive soot load in Diesel Particulate
Filter (DPF)
Possible Cause
Incorrect adjustment of clutch pedal free
play
Clutch disc lining worn or broken
Excessive clutch pedal free play
Clutch disc damaged
Possible Cause
Incorrect brake pedal free play
Brake disc lining worn or broken
Return spring damaged
Lack of lubrication in brake shaft linkage
parts
Damaged internal brake parts
Possible Cause
Lack of transmission / hydraulic oil
Add engine oil as needed
Replace oil with proper viscosity type
Replace switch
Repair oilpump as needed
Replace the filter
Check battery terminals, ground, and repair
as needed
Repair or replace alternator as needed
Replace battery
Adjust belt tension or replace belt
Start regeneration of (DPF) system
Check air pump belt tension and electrical
current to air pump clutch
Defective burner injector, contact autho-
rized dealer
Defective burner ignitor, contact authorized
dealer
Insufficient fuel supply to burner, check
clogged fuel pre-filter.
Contact authorized dealer for electronic di-
agnosis
Contact authorized dealer
Adjust the pedal free play correctly
Replace clutch disc
Adjust the pedal free play
Repair or replace clutch disc
Adjust brake pedal free play to correct
specification
Replace brake discs as needed
Replace the spring
Clean and lubricate linkage as needed
Repair internal brake parts as needed
Add oil as needed
8-2
Correction
Correction
Correction
Correction
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Table of Contents
Troubleshooting
