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 615 of 828

TM 9–2350–311–20–2

15–11

a.

Removal

NOTE

NBC ground lead is only attached to M27 stowage box on M109A4/M109A5 howitzers.

1

Support M27 periscope stowage box (1) while removing four cap screws (2), four lockwashers (3), and

ground lead (4) from four brackets (5) holding M27 periscope stowage box to cab. Discard lockwashers.

2

Remove M27 periscope stowage box (1).

b.

Installation

1

Position M27 periscope stowage box (1).

2

Install ground lead (4), four new lockwashers (3), and four cap screws (2) through four brackets (5) on M27

periscope stowage box (1).

5

1

2

3

4