KCP Heavy Industries Co., Ltd. Troubleshooting
6-3
6.1.2 Main pressure (main oil pump maximum pressure) setting.
(1) Close (quarter turn) the ball v/v located main cylinder sensing v/v and set the
pressure up to 300 – 350bar.
(2) Watching the gauge located on the rear side boom rest, set the proper
pressure.
(3) Set the pressure by using PVPD located logic cover block as below picture.
(#25, #32 RVPD located in the same place
)
▶
Setting procedures
Tools: 8mm L-wrench and 19mm wrench
① Set the pressure with radio remote outvolume max and engine RPM max condition.
② Release the keeper nut for fixing with a 19mm wrench.
③ Set the pressure with a 8mm L-wrench.
(Turning clockwise: pressure increase, anticlockwise: pressure decrease).
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