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 509 of 828

TM 9–2350–311–20–2

9–7

b.

Installation

1

Install ring segment (15) using eight new self-locking screws (13) and eight flat washers (14). Repeat step

for other ring segment.

2

Install harnesses (11 and 12) using ten machine screws (10).

3

Install power cable (8) on bus bar terminal (9) using two machine bolts (5), two new lockwashers (6), and

two hex nuts (7).

4

Install ring segment shield (4) using six cap screws (1), six flat washers (2) and six new self-locking nuts (3).

Repeat step for other ring segment shield.

c.

Testing

Operate cab electrical system.

8

9

HARNESSES AND POWER CABLE

12

11