8 - TROUBLESHOOTING
8 - TROUBLESHOOTING
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Symptom(s)
Troubleshooting - Foreword
The following troubleshooting information will help you in the unlikely event a problem occurs with your equipment.
Reading the troubleshooting chart is easy. The left-hand column will be the problem you may be having with your
equipment. The center column explains the possible cause or causes of the problem. The right-hand columns gives
you corrective actions you can take to solve the problem. If you feel unsure how to handle the problem with your
equipment do not hesitate to contact your NEW HOLLAND dealer for assistance.
Engine - Troubleshooting
Problem
Possible Cause
Correction
The start motor does not
rotate with the key switch
in the (START) position.
Safety start switch not completing circuit
Verify the forward or reverse pedals are in
neutral
PTO safety switches not completing circuit Verify the Power Take-Off (PTO) shift lever
is in “rear” position and the PTO switch is
in the “off” position
Low battery charge
Charge or replace
Loose battery or starter cable terminals
Tighten the terminal
Key switch faulty
Repair or replace switch
Starter motor faulty
Repair or replace starter motor
The start motor rotates
but the engine does not
start
Low battery charge
Charge or replace battery
Air in fuel system
Bleed out the air
Fuel filter clogged
Clean or replace the filter
Fuel injection pump not operating correctly See your NEW HOLLAND dealer for ser-
vice
Engine speed is irregular
Air in fuel system
Bleed the fuel system
Fuel filter clogged
Clean or replace the filter
Injection nozzle clogged
See your NEW HOLLAND dealer for ser-
vice
Fuel leakage
Check for fuel leaks and replace fuel lines
as needed
Irregular fuel injection
See your NEW HOLLAND dealer for ser-
vice
Engine stops suddenly
during operation
Fuel shortage
Add fuel and bleed air from fuel system
Faulty fuel injector
See your NEW HOLLAND dealer for ser-
vice
Faulty fuel injection pump
See your NEW HOLLAND dealer for ser-
vice
Internal parts of engine seized due to lack
of lubrication
See your NEW HOLLAND dealer for ser-
vice
Engine speed is more
than maximum rated high
idle speed
Governor malfunction
See your NEW HOLLAND dealer for ser-
vice
Engine stops at low speed
Faulty injection pump
See your NEW HOLLAND dealer for ser-
vice
Engine valve gap is not correct
See your NEW HOLLAND dealer for ser-
vice
Low fuel injector pressure
See your NEW HOLLAND dealer for ser-
vice
Low engine power
Fuel injector nozzle clogged
See your NEW HOLLAND dealer for ser-
vice
8-1
Содержание Workmaster 25S
Страница 20: ...1 GENERAL INFORMATION 1 14 ...
Страница 102: ...3 CONTROLS AND INSTRUMENTS 3 40 ...
Страница 118: ...4 OPERATING INSTRUCTIONS 4 16 ...
Страница 186: ...7 MAINTENANCE 7 50 ...
Страница 199: ...9 SPECIFICATIONS NHIL17CT01125FA 1 NHIL17CT01124FA 2 9 9 ...
Страница 200: ...9 SPECIFICATIONS 9 10 ...