Komatsu Galeo PC138US-8 Shop Manual page 916

SEN02715-00
5. Disconnecting pressure switch and pressure
sensor connector wiring
1) Disconnect wiring connectors (20) to (29)
connected to wiring (19).
(20): P01 (Bucket dump switch)
(21): P02 (Arm dump switch)
(22): P03 (Boom raise switch)
(23): P04 (Bucket digging switch)
(24): P05 (Boom digging switch)
(25): P06 (Boom lower switch)
(26): P07 (Right swing switch)
(27): P08 (Left swing switch)
(Multi-valve-installed machine)
(28): P67 (Right swing switch)
(Multi-valve-installed machine)
a Connector P67 is connected to con-
nector P07.
a For a machine without the multi-
valve, connector P08 is positioned
under P07 of the pressure switch con-
nector mounting bracket.
(29): P12 (Pressure sensor)
2) Remove wiring mounting clamps and dis-
connect wiring (19) from the pressure
switch connector mounting bracket (30).
16
50 Disassembly and assembly
6. Disconnection of control valve assembly wiring
and hoses
(R.H. side of control valve-inspection cover
side-)
1) Disconnect hose (31) to the attachment.
(Machine with the attachment)
(Band color: Blue-Blue)
2) Disconnect wiring connectors (32) to (34).
(32): P64 (Bucket digging switch)
(33): P65 (Arm digging switch)
(34): P66 (Boom lower switch)
3) Disconnect wiring connectors (35) and
(36).
(35): P26 (Right travel reverse)
(36): P27 (Left travel reverse)
4) Disconnect hoses (37) and (38).
(37): (Yellow-Green) (Right travel reverse)
(38): (Yellow-Orange) (Left travel reverse)
PC138US, USLC-8