KCP 113 - Hydraulic Problems; Oil Pumps Failure

KCP Heavy Industries Co., Ltd. Troubleshooting
6-12
6.2.4 Hydraulic problems
6.2.4.1 Oil pumps failure
Caution _________________________________________________________________________
When oil pump is broken, stop operating the machine, drain & clean up concrete
and visit KCP service workshop without fail.
___________________________________________________________________________________
Possible
cause
Check point
Diagnosis
Solution
Maintenance
level
※ Maintenance level : A(Repair at KCP service workshop), B(KCP engineer dispatch or phone call)
Main oil
pump failure
Main pump/
Connected
hose
• Strange noise
during pumping
• Visit KCP service
A
• Suction hose is
shaking.
• Outvolume is not
normal
• Pumping is not
functioning.
Boom oil
failure
Boom pump/
Connected
hose
• Boom pump hoses
are shaking.
• Visit KCP service
•
KCP serviceman
dispatch
A
• Strange noise
• Boom operating
speed decrease
• Pressure is not
Delivered.
Accumulator
pump failure
Acc. pump /
Connected
hose /
Pressure
gauge
• Connected hose is
shaking.
• Engage the main
panel ECO s/w for
emergency.
• Visit KCP service
•
KCP serviceman
dispatch
A
• Strange noise
• Pressure is not
Delivered.
• S-v/v is not
Switched.