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 594 of 828

TM 9–2350–311–20–2

14–30

14–8 BUSTLE DOOR ASSEMBLIES, LEFT AND RIGHT — CONTINUED

d.

Installation

1

Using two personnel, install right bustle door (4) into right side of bustle (5).

NOTE

When installing doors on hinges, do not apply full torque to nuts. After nut makes initial contact with

washer and hinge, tighten an additional half-turn.

2

Install two cap screws (2), four flat washers (3), and two new self-locking nuts (1) on right bustle door (4).

3

Repeat steps 1 and 2 for left bustle door (6).

4

Close and latch left bustle door (4) and right bustle door (6).

6

4

5

2

3

3

1