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ProCore 648Hydraulic System Page 4 – 38
Hydraulic (Traction/Charge) Pump
1. Hydraulic (traction/charge) pump
2. O–ring
3. O–ring
4. 90
o
hydraulic fitting
5. Engine
6. Engine pulley
7. Flange head screw
8. Spring bracket
9. Idler support bracket
10. Idler pulley
11. Flange nut
12. Tensioning spring
13. Set screw
14. Pump pulley
15. Pump drive belt
16. L bracket
17. Flange head screw
18. Flange head screw (2 used)
19. O–ring
20. 90
o
hydraulic fitting
21. O–ring
22. Flange nut (2 used)
23. 45
o
hydraulic fitting
24. O–ring
25. O–ring
26. Hydraulic adapter
27. O–ring
28. 90
o
hydraulic fitting
29. Hydraulic fitting
30. Key
Figure 31
FRONT
RIGHT
13
9
11
6
7
1
3
2
5
4
10
8
12
Anti–seize
lubricant
14
15
16
17
18
19
20
21
22
23
24
25
2
2
19
21
24
26
27
28
29
30
Removal (Fig. 31)
1. Park machine on a level surface, fully raise coring
head, engage parking brake, stop engine and remove
key from the ignition switch. Secure coring head with
service latch.
CAUTION
Operate all hydraulic controls to relieve system
pressure and avoid injury from pressurized hy-
draulic oil. See Relieving Hydraulic System Pres-
sure in the General Information section of this
chapter.