TM-9-2320-280-20-2

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 2 OF 3

JANUARY 1996

TM-9-2320-280-20-2 - Page 420 of 951

Applicable Models

M996, M996A1

Tools

General mechanic’s tool kit:

automotive (Appendix B, Item 1)

Materials/Parts

Four lockwashers (Appendix G, Item 136)

Two plain-assembled nuts

(Appendix G, Item 201)

Three lockwashers (Appendix G, Item 135)

Locknut (Appendix G, Item 128)

Lockwasher (Appendix G, Item 133)

Manual References

TM 9-2320-280-10

TM 9-2320-280-24P

Equipment Condition

Battery ground cable disconnected

(para. 4-73).

TM 9-2320-280-20-2

4-182

Change 3

4-97. CONTROL BOX ASSEMBLY REPLACEMENT (M996, M996A1)

This task covers:

a. Removal

b. Installation

INITIAL SETUP:

1.

Remove four screws (7), lockwashers (8), and cover (6) from control box (5). Discard lockwashers (8).

NOTE

Prior to removal, tag leads for installation.

2.

Remove seven screws (4) and seven light harness leads (3) from terminal block (9).

3.

Disconnect light harness lead 791B (11) from NBC harness lead 791A (10).

NOTE

Grommet must be removed through top of control box.

4.

Remove grommet (2) and light harness (1) from control box (5).

5.

Remove plain-assembled nut (16), clamp (17), and heater harness (15) from mounting buss

screw (18). Discard plain-assembled nut (16).

6.

Remove three screws (14) and heater harness leads (13) from terminal block (9) and mounting

buss (12).

a. Removal