Lonking CDM307 - Page 76

CHAPTER VI COMMON FAULTS AND TROUBLESHOOTING
70
Oil pressure alarm
lamp light still when
the engine run at the
high speed.

Oil level is too low

Oil filter plug

Oil not suitable for
surroundings

Fuel

Replace filter

Replace
There is steam from
the venthole of the
radiator. The water
temperature indicator
of the engine is always
on.

Coolant level is too low

Radiator leaks

Fan belt is loosing

There are muds and
limes in the cooling system.

Vane of radiator worn out
or plugged.

Temperature adjuster
fault

Cover of radiator loosen
or worn out.

operating at the high
altitude

Thermostat fault

Instruments fault

Fill the coolant.

Repair

Inspect belt tensility and
adjust

Replace coolant and clean
cooling system

Repair or clean

Replace

Tighten restructuring cover
or replace components

Replace

replace
Start the engine
difficultly
 No fuel
 There is air in fuel system
 Leakage exists in the air
inlet and outlet
 Fuel
 Discharge with pipe
 Adjust the clearance
between the air inlet and outlet
Colour of the exhaust
is white or light blue.
 Oil is too much
 Fuel is not suitable
 Remove some oil
 Replace correct fuel oil
The exhaust inclined
to black sometimes.
 Air filter fault
 injector fault
 Compressing fault
 Clean or replace
 Replace
 Adjust valve clearance
The sound of burning
is similar to breathe or
the burning sound is
abnormal (burning or
mechanical parts )
 injector fault
 the fuel cetane is too little
 Discharge muffle
damages inside.
 Valve clearance is too
wide.
 Replace
 Replace the correct fuel.
 Replace
 Adjust the valve clearance.
Travel system
Machine move neither
forward nor backward
 Oil level is too low
 Suction filter plug
 Coupling fault
 Max.pressure of valve is
not correct or valve is dirty
 Hydraulic pipe is
 Fuel
 Replace
 Replace coupling
 Clean or replace valve
 remount