TB-9-2320-302-13-P-3

CREW PROTECTION KIT; AIR CONDITIONING KIT PART 3 OF 3

TECHNICAL BULLETIN; OPERATOR’S, UNIT, AND DIRECT SUPPORT, MAINTENANCE MANUAL, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LIST

MARCH 2008

  TB-9-2320-302-13-P-3 - Page 73 of 240

TB 9-2320-302-13&P-3
A/C TROUBLESHOOTING PROCEDURES - CONTINUED
0013 00
0013 00-9
A/C ELECTRICAL SYSTEM - CONTINUED
2.
A/C System Energized But
Evaporator Assembly Does Not
Function - Continued.
(b) Check continuity between blue
wire terminal on A/C fan switch
and blue wire terminal on speed
resistor connector.
1. If continuity is not indicated,
repair or replace blue wire.
2. If continuity is indicated, replace
speed resistor.
(c) Return equipment to normal
condition.
7. Verify A/C fan switch high speed setting.
(a) Turn ignition key switch to the OFF
position (TM 9-2320-363-10).
(b) Set A/C fan switch to the OFF
position (WP 0004 00).
(c) Remove A/C fan switch connector
from A/C fan switch inside
evaporator assembly (WP 0017
00).
(d) Set A/C fan switch to HI (WP 0004
00).
(e) Check continuity between contact
“B” and contact “H” on A/C fan
switch.
1. If continuity is not indicated,
replace selector switch (WP 0017
00).
2. If continuity is indicated, proceed
to next step.
(f) Return equipment to normal
condition.
8. Verify blower high speed circuit to speed
resistor.
(a) Remove A/C fan switch connector
from A/C fan switch inside
evaporator assembly (WP 0017
00).
(b) Check continuity between orange
wire terminal on A/C fan switch
and orange wire terminal on speed
resistor connector.
1. If continuity is not indicated,
repair or replace orange wire.
2. If continuity is indicated, replace
speed resistor.
(c) Return equipment to normal
condition.
9. Verify ground to blower motor.
(a) Turn ignition key switch to the OFF
position (TM 9-2320-363-10).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION


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