QUANCHAI N485D, Руководство по обслуживанию

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ANHUI QUANCHAI ENGINE CO., LTD
8. Abnormal operation or frequent flameout
Check conditions:
1) Tighten the parking brake
2) PTO neutral position
3) The ignition lock is off
Seque
nce
No.
Position
tested
Normal Abnormal
1 Fuel tank cap
The air pipe of the fuel tank cap is
unblocked.
The air pipe of the oil tank cap is
unblocked and there is negative
pressure in the oil tank.
2 Fuel tank
The fuel tank is refueled according to
the requirements for diesel usage. The diesel is not of the correct
grade or is insufficient.
3
Air filter
element
The filter element in the air filter is
clean and in good condition. The filter element is dirty or
blocked.
4 Fuel filter The fuel filter is unblocked. The filter is blocked.
5 Sediment cup The settling cup switch is on. The settling cup switch is off.
6 Thermometer
There is nothing wrong with the
thermometer.
The thermometer is damaged.
7
Intake and
exhaust
valves
The intake valve clearance and the
exhaust valve clearance are within
tolerance range (0.30 mm and 0.35mm
respectively).
The intake valve clearance and the
exhaust valve clearance exceed
tolerance.
8 Fuel injector The nozzle has good atomization effect. The nozzle is faulty.
9
Piston
components Piston components wear out severely.
(The cylinder pressure is 2,400 kPa.)
Check the piston ring, cylinder
liner, intake and exhaust valves,
and cylinder head gasket.