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 410 of 828

TM 9–2350–311–20–2

7–6

Change 2

7–2

RAMMER ASSEMBLY — CONTINUED

b.

Disassembly

1

Remove elbow (13) and metallic tube (13.1) from cylinder assembly (14).

2

Remove adapter (14.1) and adapter (14.2) from rear cylinder support (14.3).

3

Remove cotter pin (15) and flat washer (16) from straight headed pin (17). Discard cotter pin.

4

Withdraw straight headed pin (17) from one rod end bearing (18).

5

Remove two cap screws (19) and two flat washers (20) from angle bracket (21).

6

Remove four cap screws (22) and handle group (23) from tray (24).

7

Remove spring pin (25), two spring pins (26), straight headless pin (27), and handle (28) from mounting

bracket (29). Discard spring pins.

8

Remove cotter pin (30), flat washer (31), straight headed pin (32), and lever (33) from mounting bracket

(29). Discard cotter pin.

9

Remove rod group (34).

10

Remove two rod end bearings (18), two hex nuts (35), flat washer (36), helical compression spring (37), flat

washer (38), and angle bracket (21) from rod (39).

11

Remove seven cap screws (40), two cap screws (41), rammer latch (42), and tray (24).

12

Remove two cap screws (43) and mounting bracket (44) from tray (24).

13

Remove hex nut (45), shoulder bolt (46), flat washer (47), lock-release lever (48), and helical torsion spring

(49) from front cylinder support (50).

14

Remove four cap screws (50.1), four flat washers (50.2), and rammer handle (50.3).