Piston pump assembly -94 – JLG 1850SJ Service Manual User Manual
Page 264
SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
5-94
– JLG Lift –
3121619
1001169892
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*Torque to 5.5 - 8 ft-lb (7.5 - 10.8 Nm)
**Torque to 8 - 10 ft-lb (10.8 - 13.5 Nm)
***Torque to 4 - 5.5 ft-lb (5.4 - 7.5 Nm)
****Torque to 94 - 114 ft-lb (127 - 155 Nm)
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27
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33****
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39
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40**
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43***
44*
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40**
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40**
40**
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42
1.
Piston Ring
2.
Servo Piston
3.
Bias Spring
4.
Swashplate
5.
Shaft
6.
Retaining Ring
7.
Swashplate Bearing
8.
Shaft
9.
Bearing Cup
10. Bearing Cone
11. Housing
12. Plug
13. O-Ring
14. Lip Seal
15. Retaining Ring
16. Piston Assembly
17. Slipper Retainer
18. Slipper Retainer Guide
19. Hold-Down Pin
20. Cylinder Block
21. Washer
22. Block Spring
23. Spring Retainer
24. Retaining Ring
25. End Cap Seal
26. Valve Plate
27. Slotted Pin
28. Bearing Cone
29. Bearing Cup
30. Poppet
31. Spring
32. Coupling
33. Capscrew
34. End Cap
35. Orifice Backup Plug
36. Orifice
37. O-Ring
38. PC Spool
39. O-Ring
40. Plug
41. LS Spool
42. Control Housing
43. Capscrew
44. Setscrew
45. Spring Guide
46. Inner Spring
47. Outer Spring
48. Backup Ring
49. O-Ring
50. LS Adjustment Screw
51. Spring Guide
52. Inner Spring
53. Outer Spring
54. O-Ring
55. PC Adjustment Screw
Figure 5-119. Piston Pump Assembly