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 546 of 828

TM 9–2350–311–20–2

12–6

Change 2

12–3 CUPOLA COVER, BODY, AND HANDLE — CONTINUED

a.

Removal

1

To remove cupola cover (1), unlatch cupola cover and open to upright position. Support cupola cover in up-

right position to release preload on 12 flat springs (2).

2

Remove two cap screws (3) and two lockwashers (4). Discard lockwashers.

3

Remove anchor (5), plate spacers (6), and spacer rings (7). Discard spacer plates and rings.

4

Remove 12 flat springs (2), metallic tube (8), and flat washers (9). Discard flat washers.

1

8

2

9

7

6

5

3

4

HATCH

97

°

REMOVAL

ANGLE