[Point
61
Check the fuel supply to the injection nozzle
Loosen the nut of the high pressure pipe that is connected to
the injection nozzle, and check that the fuel is injected with
sufficient force during cranking.
ENGINE MALFUNCTIONS OR STOPS WHILE IDLING
I
I
1.
Injection pump injection timing
I
Classification
lnjection
[Point
I]
Main inspection or adjustment areas
2.
lnjection pump
3.
Fuel line air bleeding
Others
Compression
1.
Clogging of the intake and exhaust systems
2.
Unusual load on the engine due to the loading pump, etc.
4.
lnjection nozzle
1 .Valve mechanism
[Point
I]
Engine speed condition inspection
Check the idling speed and adjust if necessary.Further, if the engine seems as though it will stop, operate
the accelerator lever and perform the following inspection while the engine speed is high.
While the engine is idling, loosen the high pressure nuts on the nozzle side for each cylinder in turn, and
check whether or not there are changes in the engine speed
condition.When there no changes in the
engine speed while the nuts are loosened, it means that there is an abnormality in the cylinder.
CANNOT ACCELERATE SMOOTHLY
Classification Main inspection or adjustment areas
I
Fuel
4.
Cylinder
1. Accelerator pedal link
[Point
I]
2.
lnjection timing
Compression
[Point
I]
Accelerator pedal link system adjustment
The position of the accelerator lever is determined by the
accelerator pedal height adjustment and the link wire
adjustment. Check that the accelerator lever makes contact
with the maximum adjusting screw when the accelerator
pedal is fully open.
1. INIEX valve contact
2.
Piston ring
3.
Piston
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