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
0012-55/(0012-56 blank)
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.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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.


Back to Top