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 505 of 1168

TM 9-2320-280-20-3

I

11-164. NBC HEATER REPLACEMENT

This task covers:

a. Removal

b. Installation

INITIAL SETUP:

Applicable Models

Manual References

M996, M996A1, M997, M997A1, M997A2

TM 9-2320-280-10

TM 9-2320-280-24P

Tools

General mechanic’s tool kit

Equipment Condition

automotive (Appendix B, Item 1)

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

NOTE

●

The procedure for replacing NBC heaters in M996, M996A1,

M997, M997A1, and M997A2 ambulances is basically the same.

This procedure covers the driver’s NBC heater in the M997,

M997A1, and M997A2 ambulances.

●

Prior to removal, tag all leads for installation.

a. Removal

1. Disconnect lead 786 (10)from heater (1).

2. Loosen clamp (6) on heater (1) and NBC pipe connector (5).

3. Remove four nuts (9), washers (8), capscrews (4), washers (3), heater (1), and ground lead (7) from

body (2).

1. Install heater (1) and ground lead (7) on body (2) with four washers (3), capscrews (4), washers (8),

and nuts (9).

2. Install NBC pipe connector (5) to heater (1) with clamp (6).

3. Install lead 786 (10) to heater (1).

FOLLOW-ON TASKS:

●

●

Check operation of NBC heater (TM 9-2320-280-10).

Connect battery ground cable (para. 4-73).

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