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 252 of 828

TM 9–2350–311–20–2

4–2

4–1

TURRET (CAB) BEARING PROTECTIVE SHIELDS

This task covers:

a.

Removal

b.

Installation

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

Materials/Parts

Lockwashers (20 or 23) (item 86, Appx G)

a.

Removal

NOTE

•

Tag all protective shields before removal for identification during installation.

•

Vehicles with 3-contact arms have two 3-hole and two 7-hole protective shields. Vehicles with

5-contact arms have three 3-hole and two 7-hole protective shields.

1

Remove protective shields (1) by removing three cap screws (2), three lockwashers (3) and three flat wash-

ers (4) for each protective shield. Discard lockwashers.

2

Pull protective shields (1) down and out to remove.

3

Replace three cap screws (2) and three flat washers (4) for each protective shield in their original cab holes

to support wiring harnesses.

1

2

4

3

WIRING HARNESS