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 568 of 1168

11-201. CONDENSER COOLING FAN REPLACEMENT

This task covers:

a. Removal

b.

Installation

a. Removal

1.

Disconnect two harness leads (5) from fan motor leads (6).

2.

Remove nut (8), capscrew (2), lockwasher (3), motor clamp (4), and fan motor (11) from bracket (7).

Discard lockwasher (3).

3.

Remove rubber mount (12) from fan motor (11).

4.

Remove set screw (9) and fan blade (1) from motor shaft (10).

NOTE

Prior to removal, tag leads for installation.

INITIAL SETUP:

Applicable Models

M997, M997A1, M997A2

Tools

General mechanic’s tool kit:

automotive (Appendix B, Item 1)

Materials/Parts

Lockwasher (Appendix G, Item 182)

Manual References

TM 9-2320-280-24P

Equipment Condition

• Air intake compartment panels removed

(para. 11-184).

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

b. Installation

1.

Install fan blade (1) on motor shaft (10) with set screw (9).

2.

Install rubber mount (12) on fan motor (11).

3.

Install fan motor (11) on bracket (7) so that rubber mount (12) is centered on bracket (7), and

further-most corner edges of fan blades (1) are approximately 0.4 in. (10 mm) from fan shroud

facing (13).

4.

Install motor clamp (4) to bracket (7) and fan motor (11) with lockwasher (3), capscrew (2), and

nut (8).

5.

Connect two harness leads (5) to fan motor leads (6).

TM 9-2320-280-20-3

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Change 2