Komatsu PC20R-8 Shop Manual page 44

1. Main pump
1 2
3 4
Section A - A
Sezione A - A
9
10
Section C - C
Sezione C - C
10-26
B
B
5
8
6 7
C
C
A
1. Shaft
2. Oil seal
3. Case
4. Swash plate
5. Shoe
6. Piston
7. Cylinder block
8. Valve plate
9. Spring
10. Servo piston
A
RKP01200
Section B - B
Sezione B - B
RKP01150
PC20R-8 PC27R-8