In Combined Operation Of Swing And Boom Raise, Boom Rising Speed Is Low - Komatsu PC200-8M0 Shop Manual

500 Troubleshooting of hydraulic and mechanical system (H-mode)
H-15 In combined operation of swing and boom RAISE, boom rising speed is low
H-15 In combined operation of swing and boom RAISE, boom rising
speed is low
q
Failure In combined operations of swing and boom RAISE, boom rising speed is low
q
Related infor- If boom RAISE speed is also low when it is operated singly, perform troubleshooting for "H- 6 Boom
mation operation lacks speed or power".
Probable
Malfunction or defective
causes and cri-
1 sealing of swing control
teria
valve (LS select valve)
PC200, 200LC, 220, 220LC-8M0
Cause
LS select valve of swing control valve may malfunction or sealing
may be defective. Check it.
Criteria and troubleshooting procedure
SEN06139-00
25
40-500