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 506 of 828

TM 9–2350–311–20–2

9–4

9–1

CONTACT BOARD SEGMENTS FOR 5 CONTACT ARM ASSEMBLIES — CONTINUED

b.

Installation

1

Aline ten holes on ring segment (12). Install ring segment using ten new self-locking screws (10) and ten flat

washers (11).

2

Install telephone intercom harness (9) and harness (8) on ring segment (12), using five machine screws (6)

and five new lockwashers (7).

3

Attach power cable (4) to bus bar terminal (5) with hex nut (1), new lockwasher (2), and machine bolt (3).

c.

Testing

Operate cab electrical system.

10

11

12

5

3

1

2

6

7

4

8

9