TM-9-2350-311-20-2

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS

DECEMBER 1993

TM-9-2350-311-20-2 - Page 407 of 828

TM 9--2350--311--20--2

Change 4

7--3

22

20

21

21

23

30

25

24.1

27

29

28

26

23.1

35

27

34

31

32

33

38

37

26

36

39

44

41

39

42

40

43

18

19

17

16

15

13

10

12

14

11

9

8

8

8

4

2

3

1

46

40

7

6

46

40

3

4

39

39

5

2

1

40

45

47

39

47

45

39

40

8.1

8.1

8.1

LEGEND:

1. Bent metallic tube

2. Bent metallic tube

3. Bent metallic tube

4. Bent metallic tube

5. Bracket (10)

6. Flat washer (10)

7. Cap screw (10)

8. Elbow ( 4)

8.1. Preformed packing (4)

9. Non-metallic hose assembly

10. Elbow

11. Cap screw (4)

12. Blocking check valve

13. Adapter

14. Machine screw

15. Loop clamp

16. Non-metallic hose assembly

17. Non-metallic hose assembly

18. Elbow

19. Non-metallic hose assembly

20. Cap screw (2)

21. Lockwasher (6)

21.1. Washer (2)

22. Hex nut (4)

23. Cap screw (2)

23.1. Cap screw (2)

24. Hex nut (2)

24.1. Cap nut (2)

25. Mounting bracket

26. Lockwire

27. Cap screw (3)

28. Rammer bumper

29. Sleeve spacer

30. Angle bracket

31. Setscrew (2)

32. Hex nut (2)

33. Flat washer (2)

34. Positioning block

35. Retaining plate

36. Tee

37. Bushing

38. Adapter

39. Clinch sleeve (6)

40. Nut (6)

41. Hollow pin

42. Adapter

43. Nut

44. Clinch sleeve

45. Nipple (2)

46. Nipple (2)

47. Non-metallic hose

assembly (2)

21.1

24