Komatsu PC88MR-10 Shop Manual page 1223

8. Disconnect the following connectors.
(7): V04 (merge-divider selector)
(8): V03 (swing brake)
(9): V02 (travel Hi/Lo selector)
(10): V01 (PPC oil pressure lock)
9. Remove toolbox (11).
10.Disconnect PPC hoses (2 pieces) from PPC
valve (12) on the right side of the operator's
seat.
(13): P2 port (blade RAISE) (color band: blue/
yellow)
(14): P2 port (blade LOWER) (color band: red/
black)
a Do not disconnect hoses (15) (2 pieces).
11.Disconnect horn connector M07 (16).
12.Disconnect hoses (17), (18) and (19) from T-
block (20).
PC88MR-10
50 Disassembly and assembly
13.Disconnect travel PPC valve pressure sensor
connector P26 (21).
14.Disconnect the hoses (4 pieces) from travel
PPC valve (22).
(23): P2 port hose (front-left travel) (band color:
brown/yellow)
(24): P1 port hose (rear-left travel) (band color:
orange/yellow)
(25): P4 port hose (front-right travel) (band color:
black/yellow)
(26): P3 port hose (rear-right travel) (band color:
green/black)
15.Remove ground wiring terminal (27).
16.Disconnect hoses (8 pieces) from block (28).
(29): Bucket DUMP (band color: red)
(30): Boom RAISE (band color: yellow)
(31): Swing RIGHT (band color: brown)
(32): Swing LEFT (band color: white)
(33): Bucket CURL (band color: blue)
(34): Boom LOWER (band color: black)
Cab and its attachments
50-195