TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 841 of 1275

TM9-2350-311 -20-1

8-82 MASTER RELAY-TO-DRIVER’S BULKHEAD LEAD ASSEMBLY (M109A4/M109A5)

This task covers:

a. Removal

b. Disassembly

c. Assembly

d. Installation

Applicable Configurations

Materials/Parts

M109A4/M109A5

Lockwashers (4) (item 94, Appx G)

Tools

Equipment Conditions

General mechanic’s tool kit (item 64, Appx H)

Batteries disconnected (para 8-28)

Connector

Wire

No.

Electrical Lead To:

No.

1

Master relay

82

2

Driver’s bulkhead

82

3

Bilge pump circuit breaker

452A

a. Removal

1 Remove two batteries (4) and clamp (5).

2 Disconnect connector (3) at master relay (6).

3 Disconnect power lead wiring harness (7) from driver’s bulkhead (8).

4 Remove four nuts (9), four Iockwashers (10), four washers (11), four screws (12), and connector (13) from

bulkhead. Discard Iockwashers.

8-196

INITIAL SETUP