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SMOKE
Cause and repair of smoke
CAUSE
ҮLow idle RPM
ҮMaximum speed increase
ҮPlunger worn out
ҮDelivery valve worn out, damaged
ҮDeviated flow rate
ҮBlocked nozzle tip
ҮEnlarged nozzle tip injection hole
ҮInjection pressure down
ҮPiston ring worn out, cut
ҮCylinder liner worn out, damage
ҮPiston worn out, damaged
ҮPoor contact of valve and valve seat
ҮHead gasket damaged, poor sealing
ҮPoor nozzle assembly
ҮIncorrect injection timing
ҮIncorrect timer angle adjustment
DESCRIPTION
Excessive fuel
injection
Poor nozzle injection
Compression pressure
down
Incorrect timing of
injection pump
REPAIR
Adjust idle RPM
Adjust maximum speed
Change plunger
Change delivery valve
Adjust flow rate
Change nozzle tip and holder
Change nozzle tip
Adjust injection pressure
Change piston ring
Change cylinder liner
Change piston
Change valve
Change head gasket
Reassemble nozzle or change
Adjust injection timing
Adjust timer angle
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