TM-9-2320-272-24-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4

JUNE 1998

TM-9-2320-272-24-1 - Page 668 of 1015

TM 9-2320-272-24-1

3-115. PROTECTIVE CONTROL BOX REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES (TM)

All

TM 9-2320-272-10

TOOLS

TM 9-2320-272-24P

General mechanic’s tool kit (Appendix E, Item 1)

EQUIPMENT CONDITION

Torque wrench (Appendix E, Item 146)

l

Parking brake set (TM 9-2320-272-10).

MATERIALS/PARTS

l

Battery ground cables disconnected (para. 3-126).

l

Ether cylinder and valve removed (para. 3-35).

Six lockwashers (Appendix D, Item 355)

1.

Remove windshield washer bottle lid (2) and washer bottle (3) from windshield washer bottle

bracket (4). Do not disconnect windshield washer hoses (1).

2.

Disconnect harness connector (12) from protective control box (13).

3.

Remove four screws (11), lockwashers (10), ground wire (9), protective control box (13), two

lockwashers (8), spacers (7), spacers (5), and washer bottle bracket (4) from firewall (6). Discard

lockwashers (10) and (8).

1.

Install washer bottle bracket (4) on firewall (6) with two spacers (5), new lockwashers (8),

spacers (7). protective control box (13). ground wire (9), four new lockwashers (10), and screws (11).

2.

Connect harness connector (12) on protective control box (13). Tighten connector (12) 10 lb-ft (14 N•m).

3.

Install washer bottle (3) and windshield washer bottle lid (2) on windshield washer bottle bracket (4).

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