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Page Title:
AIR CONDITIONER DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
VOLTAGE TEST
(1) Set multimeter to volts dc.
(2) Disconnect male connector from
female connector for wire 81 at high
pressure cut-off switch.
(3) Connect multimeter positive lead (+) to
high pressure cut-off switch where
wire 81 connects.
(4) Connect multimeter negative lead () to
known good ground.
(5) Connect negative battery cable to
negative side of battery (Para 8-42).
(6) Turn engine start switch to START
position, START ENGINE
(TM 10-3930-673-10).
C MALE
(7) Turn heater/air conditioner switch to
ONNECTOR
C FEMALE
A/C (TM 10-3930-673-10)
(a) If voltage is present, go to Step 10
ONNECTOR
WIRE 81
of this fault.
(b) If voltage is not present, notify
Direct Support to replace high
pressure cut-off switch.
(8) Turn heater/air conditioner switch OFF
(TM 10-3930-673-10)
(9) Turn engine start switch to OFF
position (TM 10-3930-673-10).
(10) Disconnect negative battery cable from
negative side of battery (Para 8-42).
(11) Connect male connector to female
C IGH PRESSURE
H
connector for wire 81 at high pressure
UT-OFF SWITCH
cut-off switch.
VOLTAGE TEST
(1) Set multimeter to volts dc.
(2) Disconnect male connector from
female connector for wire 81.
(3) Connect multimeter positive lead (+) to
A/C compressor clutch where wire 81
connects.
(4) Connect multimeter negative lead () to
known good ground.
(5) Connect negative battery cable to
negative side of battery (Para 8-42).
(6) Turn engine start switch to START
C FEMALE
position, START ENGINE
(TM 10-3930-673-10).
ONNECTOR
(7) Turn heater/air conditioner switch to
A/C (TM 10-3930-673-10)
(a) If voltage is present, notify Direct
WIRE 81
Support to replace A/C compressor
clutch.
(b) If voltage is not present, repair
wire 81 (Para 8-48).
(8) Turn heater/air conditioner switch OFF
C
MALE TR01113
A/C CC MPRESSOR
O
(TM 10-3930-673-10)
ONNECTOR
LUTCH
(9) Turn engine start switch to OFF
position (TM 10-3930-673-10).
(10) Connect male connector to female
connector for wire 81.
(11) Install battery cover (Para 8-42).
2-459
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