TM-9-2320-280-20-3

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 3 OF 3

JANUARY 1996

TM-9-2320-280-20-3 - Page 743 of 1168

12-95. TROOP/CARGO WINTERIZATION HEATER ASSEMBLY REPLACEMENT

This task covers:

a. Removal

b. Installation

INITIAL SETUP:

Applicable Models

M998, M998A1, M1038, M1038A1

Tools

General mechanic’s tool kit:

automotive (Appendix B, Item 1)

Materials/Parts

Adhesive sealant (Appendix C, Item 10)

Sealing compound (Appendix C, Item 42)

O-ring (Appendix G, Item 222)

Manual References

TM 9-2320-280-10

TM 9-2320-280-24P

Equipment Condition

• Battery ground cable disconnected (para. 4-73).

• Heater guard assembly removed (para. 12-93).

General Safety Instructions

• Do not perform this procedure near fire, flames

or sparks.

• Ensure handle on diverter assembly is facing

toward left side of vehicle.

a. Removal

TM 9-2320-280-20-3

Change 2

12-137

WARNING

Diesel fuel is highly flammable. Do not perform this procedure

near fire, flames, or sparks. Severe injury or death will result.

CAUTION

Cover or plug all open hoses and connections immediately after

disconnection to prevent contamination. Remove all plugs prior

to connection.

NOTE

Have drainage container ready to catch fuel.

1.

Loosen clamp (2) and disconnect filter-to-heater fuel supply hose (1) from connector (3).

2.

Remove connector (3) from heater inlet port (4).

3.

Remove clamp (6) and diverter assembly (7) from air inlet adapter (5).