8 - TROUBLESHOOTING
Problem
Possible Cause
Correction
Engine burning engine oil
Repair engine as needed
Engine coolant entering engine exhaust
Repair engine as needed
The color of exhaust gas
is black.
Air filter clogged
Clean or replace engine air filter
Excessive fuel supply
Repair fuel injection pump as needed
Faulty fuel injector
Repair or replace fuel injector
Instrument panel engine
oil pressure indicator light
is "ON" during operation.
Lack of engine oil
Add engine oil as needed
Low viscosity of engine oil
Replace oil with proper viscosity type
Faulty pressure switch
Replace switch
Faulty engine oil pump
Repair oil pump as needed
Engine oil filter clogged
Replace the filter
Instrument panel battery
charging indicator is "ON"
during operation.
Bad electrical connection
Check battery terminals, ground, and repair
as needed
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
Engine fault icon is
illuminated on the
instrument panel.
Electrical fault with the engine speed con-
trol unit.
See your NEW HOLLAND dealer for ser-
vice.
Engine overheating
Lack of coolant
Add coolant as needed
Fan belt slipping or belt is broken
Adjust belt tension or replace belt
Dirt attached to the radiator or prescreen
Clean radiator fins or screen as needed
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
specification
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
specification
Regulated/Low pressure 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 filter and check all hy-
draulic suction connections
Hydraulic filter clogged
Replace hydraulic filter
8-2
Summary of Contents for Workmaster 25 Tier 4B
Page 74: ...3 CONTROLS AND INSTRUMENTS 3 28 ...
Page 110: ...5 TRANSPORT OPERATIONS 5 8 ...
Page 116: ...6 WORKING OPERATIONS 6 6 ...
Page 178: ...8 TROUBLESHOOTING 8 6 ...
Page 187: ...9 SPECIFICATIONS NHIL12CT00862HA 1 9 9 ...
Page 188: ...9 SPECIFICATIONS 9 10 ...
Page 190: ...10 ACCESSORIES 10 2 ...