Center Swivel Joint - Komatsu PC88MR-10 Shop Manual

10 Structure and function

Center swivel joint

Center swivel joint
(PC88MR-J8E0-041-K-00-A)
A1: From control valve (right travel "REVERSE")
B1: From control valve (right travel "FORWARD")
C1: From control valve (left travel "REVERSE")
D1: From control valve (left travel "FORWARD")
E1: From control valve (blade "RAISE")
F1: From control valve (blade "LOWER")
G1: From 2nd travel selector solenoid valve
DR1: To hydraulic tank
A2: To R.H. travel motor port B
B2: To R.H. travel motor port A
C2: To L.H. travel motor port A
D2: To L.H. travel motor port B
E2: To R.H. and L.H. blade cylinder heads
F2: To R.H. and L.H. blade cylinder bottoms
G2: To R.H. and L.H. travel motor port P
DR2: From R.H. and L.H travel motor ports D1 and D2
1. Cover
2. Rotor
3. Slipper seal
4. Shaft
10-160 PC88MR-10