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 278 of 828

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

5--22

Change 4

5--9

CARRIER ASSEMBLY — CONTINUED

b. Disassembly

NOTE

The carrier assembly is marked next to the plunger with L for left and R for right.

1

Place carrier assembly (4) on a flat surface with right carrier detent plunger (6) down.

2

Remove spur gear (7) from carrier assembly (4).

WARNING

Plunger assemblies hold compressed springs. Be careful during disassembly to avoid injury. Wear

safety glasses to prevent possible eye injury.

3

Restrain right carrier detent plunger (6) while unscrewing right detent plunger (8). Release right carrier

detent plunger gradually.

4

Remove right carrier detent plunger (6), right sleeve bushing (9), right disc (10), and helical compression

spring (11) from carrier assembly (4).

5

Remove left detent plunger (12), left carrier detent plunger (13), left sleeve bushing (14), and left disc (15)

from carrier assembly (4).

6

Deleted

7

Deleted

8

Deleted

9

Deleted

10

Deleted

11

Deleted

12

Remove lockwire (30), two cap screws (31), and plunger assembly (32). Discard lockwire.

13

Deleted