Fault Tracing - Zetor UTILIX HT 45 Operator's Manual

SYMPTOM
Engine
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 revolutions are
irregular
The engine stops at low
revolution
The engine stops suddenly

FAULT TRACING

CAUSE
PTO ON/OFF switch set in ON
postion.
Defective safety switch
Battery discharged
Loose terminal
Faulty switch
Defective start motor
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
117
REMEDY
Set the PTO ON/OFF switch
into the OFF position
Have it repaired or replaced by
workshop
Charge the battery
Check for looseness and
corrosion. Clean, tighten and
apply grease
Have it repaired or replaced by
workshop
Have it repaired or replaced by
workshop
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
Fill the tank and bleed the fuel
system
Contact dealer for repair