TM-9-2320-361-24-2

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 2 OF 2

AUGUST 2006

TM-9-2320-361-24-2 - Page 460 of 1144

TM 9-2320-361-24-2

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BLACKOUT MASTER SWITCH REPLACEMENT (M109A3) (Contd)

REMOVAL

1.

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

lockwashers (4).

NOTE

Prior to removal, tag lead wires and terminals for installation.

2.

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

blackout master switch (2). Discard lockwashers (7).

3.

Remove bushing (16) from nipple (15).

4.

Remove two nuts (17), lockwashers (18), and blackout master switch (2) from mounting

bracket (14). Discard lockwashers (18).

INSTALLATION

1.

Install blackout master switch (2) on mounting bracket (14) with two new lockwashers (18) and

nuts (17).

2.

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

3.

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

lockwashers (7) and screws (8).

4.

Install wire (13) and other end of wire (12) on blackout master switch (2) with new lockwasher (7)

and screw (8).

5.

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

6.

Connect battery ground cable (WP 0126 00).

7.

Check blackout light operations (TM 9-2320-361-10).

8.

Release parking brake and remove wheel chocks (TM 9-2320-361-10).