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![]() TM 55-1905-219-14-8 
4-7.9. PRESSURE REGULATOR AND OPERATING CYLINDER - MAINTENANCE 
INSTRUCTIONS (Continued). 
LOCATION 
ITEM 
ACTION 
REMARKS 
1. 
Shaft arm 
2. 
Sleeve nuts 
3. 
Tube 
4. 
Screws 
5. 
6. 
Operating 
cylinder 
7. Sleeve nuts 
8. Tube 
9. Screws 
10. Lockwashers 
11. Bellows assembly 
connector 
12. Gasket 
13. Screws 
14. Lockwasher 
15. Pressure 
regulator 
16. Gasket 
17. Screws 
18. Base associated 
parts 
30. 
Housing 
43. 
Screws 
19. Housing 
31. 
Piston 
44. 
Flatwashers 
20. Nuts 
32. 
Piston pin 
45. 
Tube clamp 
21. Shaft washers 
33. 
Elbow 
46. 
Retaining rings 
22. Base 
34. 
Ball nut 
47. 
Piston guide pins 
23. Spring 
35. 
Ball 
48. 
Backing plate 
24. Shaft 
36. 
Water outlet tube 
49. 
Spring 
25. Cylinder support 
37. 
Connector 
50. 
Spring cup 
26. Cup 
38. 
Ball 
51. 
Bellows assembly 
27. Elbow 
39. 
Elbow 
52. 
Yoke plug 
28. Screws 
40. 
Adapter 
53. 
Adjusting screw 
29. Plug and cylinder 
41. 
Gasket 
assembly 
42. 
Orifice disc 
4-245 
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