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ProCore 648 Hydraulic SystemPage 4 – 41
Hydraulic (Traction/Charge) Pump Service
1. Retaining ring
2. Seal
3. Spacer
4. Pump shaft kit
5. Pump housing
6. Thrust washer
7. Spring block
8. Nut (4 used)
9. Trunnion seal kit
10. Pin (2 used)
11. O–ring
12. Valve plate
13. Forward relief valve
14. By–pass valve
15. Endcap kit
16. Check ball (2 used)
17. Check spring (2 used)
18. Pin (2 used)
19. Reverse relief valve
20. Cylinder block kit
21. Thrust bearing
22. Swash plate
23. Guide slot
24. Trunnion arm
25. Ring
26. Adapter plate
27. Flange head screw (4 used)
28. Coupler
29. O–ring
30. Gear pump (P2) (charge/lift)
31. Washer (2 used)
32. Cap screw (2 used)
Figure 34
12
9
11
6
7
1
3
2
5
4
10
8
24
21
23
18
19
13
15
14
17
16
22
20
25
29
26
28
27
30
31
32
NOTE: For repair of the hydraulic (traction/charge)
pump, see the HYDRO–GEAR BDP–10A/16A/21L HY-
DROSTATIC PUMPS SERVICE AND REPAIR MANU-
AL (hydrostat) and the SAUER DANFOSS GROUP 2
GEAR PUMPS AND MOTORS SERVICE MANUAL
(gear pump) at the end of this chapter.
Hydraulic
System