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 287 of 828

TM 9–2350–311–20–2

Change 2

5–31

5–11 DAMPER ASSEMBLY

This task covers:

a.

Removal/Disassembly

b.

Assembly/Installation

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

a.

Removal/Disassembly

1

Remove cap screw (1), hex nut (2), and remaining parts of damper assembly (3).

2

Remove two seats (4), sleeve spacer (5), spring (6), and sleeve spacer (7).

b.

Assembly/Installation

1

Place seat (4), sleeve spacer (7), spring (6), sleeve spacer (5), and other seat (4) on cap screw (1).

NOTE

Breech must be in a closed position to obtain correct adjustment.

2

Secure assembled damper assembly (3) components in place with hex nut (2). Tighten cap screw (1) until

seat to seat length of damper assembly is 4 inches (10.16 cm). Tighten hex nut.

1

4

7

6

5

4

1

3

2

4” (10.16 cm)