33
27
8
9
24
10
15
40
39
37
35
(25 ft•lb)
26
37
25
1
20
2
6
13
32
32
3
7
23
30
31
19
11
12
16
18
21
36
(75 ft•lb)
20
4
34
5
28
14
17
22
35
(25 ft•lb)
38
29
36
a
Registered trademark of the DuPont company.
b
_ denotes O-ring code. See chart above.
c
Slots in vanes must face TOWARDS the direction of rotation
Appendix E—Parts Details for Model Z4500
See pages 16 and 17 for repair/rebuild kits.
CAUTION: Always relieve pressure in
the unit before attempting any repairs.
Note: Hydraulic motor is not shown.
Ref.
No.
Part No. Description Qty
1. 5522 Case 1
2. 4443 Cam 1
3. 4444-X2R Rotor-shaft assembly 1
4. 4445 Head 2
5. 4446 Sideplate 2
6. 4448
c
Vane 6
7. 4449-X Vane driver 5
8. 4450 Relief valve cap 1
9. 4451 Relief valve spring 1
10. 4452 Shim 1
11. 4453 Thrust bearing assembly 2
12. 4454 Bearing race mounting ring 2
13. 4455 Cam key 1
14. 4456 Bearing cap 2
15. 4457 Relief valve 1
16.
4458 Bearing cap shim (.002) red
As
req.
4458-1 Bearing cap shim (.010) brown
4458-2 Bearing cap shim (.020) yellow
17. 4459 Shaft key—5/16 x 1-3/4 1
18. 4460-X Roller bearing 2
19. 2760-283 Retainer ring 2
O-ring Code
A Buna-N
B Neoprene
®a
D Viton
®a
E Teflon
®a
Ref.
No.
Part No. Description Qty
20. 3253 Cam key pin 5
21. 4462 Grease seal 2
22. 4463 Grease seal 2
23.
4464-X_2
b
Mechanical seal
assembly—cast iron
2
4464-X_6
b
Mechanical seal
assembly—silicon carbide
2
24. —— Inlet ange—4" ANSI 1
25. —— Outlet ange—3" ANSI 1
26. 2649 Nameplate 1
27. 4248 Relief valve nameplate 1
28. 1359 Lubrication instruction plate 2
29. 1343 1/8 NPT relief tting 2
30. 2158 1/8 NPT grease zerk 2
31. 2159 Lubricap 2
32. 3442 1/4 NPT pipe plug 2
33. 2-234_
b
O-ring—relief valve 1
34. 2-270_
b
O-ring—case 2
35. 7001-037NC150A Bolt—hexagon head 16
36. 7001-062NC125A Bolt—hexagon head 16
37. 7012-006SF019E Screw 8
38. 7206-037A Lockwasher 8
39. 4985 Shaft cover 1
40. 7012-010SF050E Screw 2
42