2 PC800, 850-8
SEN00383-03 10 Structure, function and maintenance standard
Hydraulic system, Part 1
Hydraulic piping drawing
1. Bucket cylinder
2. Arm cylinder
3. Boom cylinder
4. Center swivel joint
5. Swing motor
6. Quick return valve (Arm)
7. Oil cooler
8. Cooling fan motor
9. Control valve
10. PPC shuttle valve
11. Hydraulic filter
12. Cooling fan pump
13. Hydraulic pump
14. L.H. travel motor
15. Hydraulic tank
16. PPC lock valve
17. L.H. PPC valve
18. R.H. PPC valve
19. Travel PPC valve
20. Accumulator
21. Solenoid valve assembly
21A. Straight travel solenoid valve
21B. 2-stage relief solenoid valve
21C. Machine push-up solenoid valve
21D. Swing brake solenoid valve
21E. Travel speed solenoid valve
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