8 - TROUBLESHOOTING
Problem
Possible Cause Correction
Faulty alternator Repair or replace alternator as needed
Faulty battery Replace battery
Incorrect fan belt tension or belt broken
Adjust belt tension or replace belt
Diesel Particulate Filter
(DPF) not functioning
properly
Excessive soot build up in (DPF) Start regeneration of (DPF) system
Engine Control Unit (ECU) not functioning
properly
Contact authorized dealer for electronic di-
agnosis
Engine will only run
for approximately thirty
seconds
Excessive soot load in Diesel Particulate
Filter (DPF)
Contact authorized dealer
Clutch - Troubleshooting
Problem
Possible Cause Correction
Clutch slips Incorrect adjustment of clutch pedal free
play
Adjust the pedal free play correctly
Clutch disc lining worn or broken
Replace clutch disc
Clutch does not release Excessive clutch pedal free play Adjust the pedal free play
Clutch disc damaged
Repair or replace clutch disc
Mechanical service brakes - Troubleshooting
Problem
Possible Cause Correction
After engaging brake
pedal, pedal will not
return
Return spring damaged Replace the spring
Lack of lubrication in brake shaft linkage
parts
Clean and lubricate linkage as needed
Damaged internal brake parts Repair internal brake parts as needed
Brake does not work or
only one side works.
Incorrect brake pedal free play Adjust brake pedal free play to correct
speciîš¿cation
Brake disc lining worn or broken Replace brake discs as needed
Left/right pedal free play is different Adjust both brake pedal free play to same
speciîš¿cation
Hydraulic Lift System - Troubleshooting
Problem
Possible Cause Correction
The three-point linkage
will not raise
Lack of transmission / hydraulic oil
Add oil as needed
Air in the hydraulic suction pipe
Tighten the hydraulic îš¿lter and check all hy-
draulic suction connections
Hydraulic îš¿lter clogged Replace hydraulic îš¿lter
Faulty hydraulic pump
Check pump for proper ow replace pump
if needed
Faulty control valve
Check hydraulic control valve and linkage
for proper operation repair as needed
Faulty hydraulic lift cylinder Repair lift cylinder as needed
Faulty hydraulic relief valve Check hydraulic system for correct pres-
sure setting, repair as needed
Oil leakage Connecting part loosened
Tighten
Oil seal damaged
Replace
Pipe cracked Replace
The three-point linkage
does not move down
when control handle is
moved to down position.
Down speed control valve locked in closed
position
Turn the knob counterclockwise, to open
valve
8-2
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