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 119 of 524

TB 9-2320-279-13-1
0012-33
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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HEMAC159
VOLTAGE TEST
(1) If OFF, turn engine start switch ON
(TM 9-2320-279-10).
(2) Place positive (+) probe of multimeter on AC
condenser assembly harness black wire at AC
condenser motor solenoid terminal.
(3) Place negative (-) probe of multimeter on a known
good ground.
(a) If 22 to 28 vdc are not measured, turn engine
start switch OFF and go to Step 20 of this fault.
(b) If 22 to 28 vdc are measured, go to Step 17 of
this fault.


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