TB-9-2320-279-13-1

TECHNICAL BULLETIN; AIR CONDITIONING SYSTEM

OPERATOR’S, UNIT AND DIRECT SUPPORT MAINTENANCE MANUAL, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LISTS

DECEMBER 2005

TB-9-2320-279-13-1 - Page 141 of 524

TB 9-2320-279-13-1

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AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM

DUCTS DURING AC OPERATIONS - Continued

DRAFT

WARNING

Remove rings, bracelets, wristwatches, neck chains, and any other jewelry before working around

vehicle.

Jewelry can catch on equipment and cause serious injury.

Jewelry or tools may short

across electrical circuits or terminals and cause damage to equipment or severe burns or

electrical shock to personnel.

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END OF WORK PACKAGE

HEMAC169

VERIFY REPAIR

(1) If disconnected, connect AC harness wires 1154

and 1158 to low pressure switch connectors

(WP 0041).

(2) If removed, install driver side engine panel and

close cover (TM 9-2320-279-10).

(3) If removed, install AC condenser motor (WP 0026).

(4) If removed, install cover and four washers,

lockwashers, and screws on AC condenser

assembly (WP 0028).

(5) If disconnected, connect AC harness wire 1156 and

1158 to high pressure switch connectors

(WP 0039).

(6) If disconnected, connect AC harness AC condenser

assembly connector (WP 0028).

(7) If removed, install top heater cover and eight screws

(WP 0037).

(8) Start engine (TM 9-2320-279-10).

(9) Operate AC system for 10 minutes at high blower

speed (WP 0004).

(a) If AC system does not provide cold air through

ducts, fault has not been corrected.

Shut off

engine, turn fan control switch and temperature

control switch to off position, and notify

Supervisor.

(b) If AC system provides cold air through ducts,

fault has been corrected.