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 67 of 524
TB 9-2320-279-13-1
0010-11/(0010-12 blank)
AC HEATER/EVAPORATOR BLOWER DOES NOT OPERATE - 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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
VOLTAGE TEST
(1) Place positive (+) probe of multimeter on engine
start switch ACC terminal (wire 1640).
(2) Place negative (-) probe of multimeter on a known
good ground.
(a) If 22 to 28 vdc are not measured, disconnect
batteries and replace engine start switch
(TM 9-2320-279-20).
Verify repair, go to Step 9
of this fault.
(b) If 22 to 28 vdc are measured, disconnect
batteries and repair wire 1640 (see Appendix A)
or notify Supervisor.
Verify repair, go to Step 9
of this fault.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
VERIFY REPAIR
(1) If removed, install cover and four screws, washers,
and lockwashers on AC heater/evaporator
assembly (WP 0034).
(2) If removed, install top heater cover and eight screws
(WP 0037).
(3) If removed, install left heater cover and six screws
(TM 9-2320-279-20).
(4) Turn engine start switch ON (TM 9-2320-279-10).
(5) Verify AC heater/evaporator blower operation
(WP 0004).
(a) If AC heater/evaporator blower does not
operate, fault is not corrected.
Turn fan control
and engine start switch OFF and notify
Supervisor.
(b) If AC heater/evaporator blower operates, fault
has been corrected.
Back to Top
