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 403 of 828

TM 9–2350–311–20–2

Change 2

6–81/(6–82 blank)

For installation, follow illustration and legend as a guide. After installation, check hydraulic fluid level (para

6–2).

10

2

6

7

17

1

21

3

4

5

4

3

3

4

5

4

3

11

8

3

4

9

10

4

20

19

17

15

18

2

16

15

3

4

5

3

4

5

4

3

3

4

13

2

14

15

3

4

9

3

4

9

12

17

17

15

18

LEGEND:

1. Bent metallic tube (elevating cylinder to elevation se-

lector valve assembly)

2. Bracket (3)

3. Nut (12)

4. Clinch sleeve (12)

5. Nonmetallic hose assembly (4)

6. Hose clamp (2)

7. Bracket

8. Bent metallic tube

9. Adapter (4)

10. Preformed packing (4)

11. Bent metallic tube

12. Bent metallic tube

13. Bent metallic tube

14. Cap screw (2)

15. Flat washer (8)

16. Cap screw (2)

17. Bracket (4)

18. Cap screw (4)

19. Bent metallic tube (elevating cylinder to assistant

gunner’s control)

20. Bent metallic tube (elevating cylinder to accumulator

(manual))

21. Bent metallic tube (elevating cylinder to elevation se-

lector valve assembly)