Yuchai YC25-8, User Manual

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Hydraulic Digger
4-47
Reason for the Technical Trouble& Resolve
Trouble Reason Resolve
●
Problem for start the engine
●
Replace or check the engine
●
Lack electrification of the battery
●
Electrification or replace the battery
●
Error use for the line or the piston of
the warm-up
●
Mend or replace the warm-up piston
●
Error of the oil injection positive
●
Check the oil injection positive
●
The pipe laying obstructed
●
Clean the pipe laying
●
The filter of the fuel obstructed
●
Clean or replace the filter of the fuel
●
The fuel system has the water
、
the
dust or the air.
●
Ejectment the air, clean the pipe
laying
●
The nozzle dirty or the pressure of oil
injection lower
●
Maintain the nozzle
●
The trouble of the fuel injection pump
●
Contact assistant service
●
The fuel lacks
●
Immit the oil
1.The engine
couldn’t start
or start difficult
●
The intake/vent system obstructed
●
Ejectment the trouble
●
It have many air
●
Contact assistant service
●
The filter of the fuel obstructed
●
Clean the filter
●
The fuel system has the dust or the
air.
●
Vent and clean the oil line
●
The filter obstructed,the nozzle dirty
or trouble
●
Check them
●
The high-pressure oil pipe destroyed
●
Replace the high-pressure oil pipe
●
The fuel lacks
●
Immit the oil
●
The velometer couldn’t adjust
●
Contact assistant service
●
The trouble of the fuel injection pump
●
Contact assistant service
2.The engine
knocking
、
running
irregularly or
stop
●
Error of spurt oil positive or the nozzle
clip
●
Check them
Trouble Reason Resolve