Komatsu PC200-8M0 Shop Manual page 1085

500 Hydraulic system
Removal and installation of control valve assembly
21. Disconnect connector P26 (28).
(front pump pressure sensor)
22. Disconnect bracket (29), then bracket junction
box (J).
23. Disconnect hoses (30) and (31).
q (30): Between control valve and swing
motor
q (31): Between control valve and hydraulic
tank
24. Disconnect back pressure compensation con-
nector (31a).
a Rear figure
PC200, 200LC, 220, 220LC-8M0
25. Disconnect hoses (32) through (36) from the
rear side.
q (32): PP1 port hose (rear pump)
(33): PPS2 port hose (front pump)
q
q (34): PR port hose (pump)
Hose band: yellow
q (35): PP2 port hose (front pump)
q (36): Drain hose (hydraulic tank)
26. Disconnect connector P25 (37).
(Rear pump pressure sensor)
27. Disconnect hoses (38) and (39).
q (38): ATT port hose (filter) (If equipped)
(39): T port hose (under the oil cooler)
q
SEN06146-00
Hose band: blue
11
50-500