Fault Tracing; Engine Troubleshooting - Zetor UTILIX CL Operator's Manual

Engine troubleshooting

SYMPTOM
Turning the main switch will not
operate the starter
Starter operates but not enough to
turn the engine
Starter operates OK but does not
start the engine
Engine
Engine revolutions are irregular
The engine stops at low revolution
The engine stops suddenly
SYMPTOM
The engine overheats
Reduced performance
of the engine
Engine
Oil warning light comes
on with the engine
running
Alternator light comes
on with the engine
running

FAULT TRACING

CAUSE
Clutch not pushed in
Battery flat
Switch faulty
Low battery
Bad earth
Thick oil
Air in fuel system
Clogged fuel filter
No fuel being supplied
Glow plug disconnected or
not working
Air in the fuel system
Faulty injector
Fuel pipe leak
Poor fuel injection
Faulty injection pump
Wrong valve clearance
Wrong idle setting
Faulty injector
Lack of fuel
Faulty injectors
Seized engine due to lack of
oil,
the wrong oil or lack of
coolant
CAUSE
Lack of coolant
Broken or misadjusted fan belt
Clogged air filter element
Clogged radiator
Low oil
The injectors are clogged, carbon
coated and sticking
Low compression
Leaking valve seat
Incorrect valve gap
Faulty timing
Fuel shortage
Clogged air cleaner
Low oil level
Wrong oil
Faulty light or switch
Clogged oil filter
Wiring fault
Faulty alternator
Low water level or faulty battery
Broken or loose fan belt
127
REMEDY
Push the clutch in
Charge or replace the
battery
Dealer to repair or replace
Contact dealer for repair or
replace
Charge the battery
Clean the earth lead and
tighten
Drain and replace with
correct oil
Bleed the system
Clean or replace both filters
Fill tank or turn tap on
Contact dealer for repair.
Bleed the system
Contact dealer for repair.
Contact dealer for repair.
Contact dealer for repair
Contact dealer for repair
Contact dealer for repair
Contact dealer for repair
Contact dealer for repair
Fill the tank and bleed the
fuel system
Contact dealer for repair
Contact dealer for repair
REMEDY
Refill with coolant
Adjust or replace
Clean or replace air filter
Clean the core
Replace the oil to correct
grade
Contact dealer for repair
Contact dealer for repair
Contact dealer for repair
Contact dealer for repair
Contact dealer for repair
Fill the tank and check fuel
quality
Clean the element
Fill to correct level
Change to correct oil
Replace faulty part
Contact dealer for repair
Contact dealer for repair
Contact dealer for repair
Top up or replace
Replace or adjust