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 538 of 951

4-123. HEATER/VENT SYSTEM CONTROL BOX AND WIRING HARNESS

REPLACEMENT

This task covers:

a. Removal

b.

Installation

INITIAL SETUP:

Applicable Models

M996, M996A1

Tools

General mechanic’s tool kit:

automotive (Appendix B, Item 1)

Materials/Parts

Two locknuts (Appendix G, Item 70)

Plain-assembled nut (Appendix G, Item 201)

Plug button (Appendix G, Item 8)

Four lockwashers (Appendix G, Item 136)

Tiedown strap (Appendix G, Item 308)

Manual References

TM 9-2320-280-24P

Equipment Condition

Blower assembly removed (para. 11-212).

TM 9-2320-280-20-2

4-292

Change 3

a. Removal

1.

Remove locknut (1), washer (2), capscrew (8), washer (7), ground terminal (6), and capacitor (5)

from fuel pump (16) and bracket (17). Discard locknut (1).

2.

Disconnect control box lead (3) from fuel pump lead (4).

3.

Remove locknut (15), washer (14), capscrew (11), and clamp (9) from control box harness (10), fuel

line clamp (13), and body bracket (12). Discard locknut (15).

4.

Remove grommet (18) from tunnel (26) and harness (10) and route harness (10) through hole in

tunnel (26) and battery box grommet (25) into stowage compartment.

5.

Remove two screws (22) and clamps (19) from harness (10), resuscitator harness (23), and body (21).

6.

Remove tiedown strap (24) from harness (10) and resuscitator harness (23). Discard tiedown strap

(24).

7.

Route harness (10) up through grommet (20) into patient compartment.

NOTE

Prior to removal, tag leads for installation.