Swivel Joint - Komatsu PC20R-8 Shop Manual

SWIVEL JOINT

Section A - A
Sezione A - A
k
j
h
Section B - B
Sezione B - B
1. Shaft
2. Gasket
3. Body
4. Cover
a. f Port - To blade cylinder (Bottom side)
b. d Port - To L.H. travel motor
(P1 Port)
c. b Port - To L.H. travel motor
(P2 Port)
d. g Port - To travel motors (PS Port)
e. e Port - To blade cylinder (Head side)
PC20R-8 PC27R-8
1
2
3
4
l
m
n
o
B
a
b
c
f. c Port - To R.H. travel motor
(P2 Port)
g. a Port - To R.H. travel motor
(P1 Port)
h. B Port - From control valve (A2 Port)
j. E Port - From control valve (A5 Port)
k. C Port - From control valve (A3 Port)
l. F Port - From control valve (B5 Port)
m. D Port - From control valve (B2 Port)
n. G Port - From ST1 solenoid valve
(B Port)
o. A Port - From control valve (B3 Port)
A
B
d
e
f
g
A
RKP00260
10-69