TM-9-2320-361-34

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

MAY 1992

TM-9-2320-361-34 - Page 411 of 764

TM 9-2320-361-34

15-25. BLACKOUT SWITCH REPLACEMENT

THIS TASK COVERS:

a. Removal

b.

Installation

lNITIAL SETUP

APPLICABLE MODELS

MATERIALS/PARTS

M185A3 and M109A3

Six lockwashers (Appendix F, Item 151)

TEST

EQUIPMENT

Multimeter (Appendix B, Item 3)

TOOLS

General mechanic’s tool kit

(Appendix B, Item

1)

Tool kit, electrical (Appendix B, Item 2)

Pipe wrench (Appendix B, Item 39)

REFERENCES (TM)

TM 9-2320-361-10

TM 9-2320-361-20

TM 9-2320-361-34P

EQUIPMENT CONDITION

●

Parking brake set (TM 9-2320-361-10).

●

Battery ground cable disconnected

(TM9-2320-361-20).

a. Removal

NOTE

Tag wires, leads, and terminals for installation.

1. Remove four screws (3), lockwashers (4), and cover (1) from blackout switch (2). Discard lock-

washers (4).

2. Remove five screws (8), lockwashers (7), and wires (5), (6), (9), (10), (11), (12), and (13) from blackout

switch (2).

3. Remove bushing (16) from nipple (15).

4.

Remove two nuts (17), lockwashers (18), and blackout switch (2) from mounting bracket (14).

Discard lockwashers (18).

b.

Installation

1. Install blackout switch (2) on mounting bracket (14) with two new lockwashers (18) and nuts (17).

2. Install blackout switch (2) on nipple (15) with bushing (16).

3. Install wires (5), (6), (9), (10), (11), and one end of (12) on blackout switch (2) with four lock-

washers (7) and screws (8).

4. Install wire (13) and other end of wire (12) on blackout switch (2) with lockwasher (7) and screw (8).

5.

Install cover (1) on blackout switch (2) with four new lockwashers (4) and screws (3).

15-100