Hydraulic Equipment Layout Drawing; Structure, Function And; Hydraulic System, Part 1 - Komatsu PC210-8 Shop Manual

UEN00099-01

Hydraulic system, Part 1

Hydraulic equipment layout
drawing
1. Bucket cylinder
2. Arm cylinder
3. Boom cylinder
4. Hydraulic tank
5. Hydraulic oil filter
6. R.H. travel motor
7. Swing motor
8. Hydraulic pump
9. Control valve
10. Oil cooler
11. L.H. travel motor
12. Left PPC valve
13. Lock lever
14. Center swivel joint
15. Right PPC valve
16. Travel PPC valve
17. Attachment PPC valve
18. Hydraulic drift prevention valve
19. Accumulator
20. Solenoid valve assembly
20A. PPC lock solenoid valve
20B. 2-stage relief solenoid valve
20C. Swing brake solenoid valve
20D. Travel speed solenoid valve
20E. Travel junction solenoid valve
20F. ATT selector solenoid valve
21. EPC valve assembly.
(For PC210 K51095 and up, PC230 K50114 and up
and PC240 K50304 and up.)
21A. 1 ATT EPC (LH)
21B. 1 ATT EPC (RH)
21C. 2 ATT EPC (LH) OPT.
21D. 2 ATT EPC (RH) OPT.
21E. Shuttle valve
Note:
LH - Main oil flow on the left hand side of the
q
work equipment.
RH - Main oil flow on the right hand side of the
q
work equipment.
2
10 Structure, function and maintenance standard
1
1
PC210, 230, 240-8