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 161 of 524

TB 9-2320-279-13-1

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AC COMPRESSOR DOES NOT SHUT OFF OR CYCLES CONSTANTLY - 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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HEMAC173

CONTINUITY TEST

NOTE:

Do not disconnect wires from AC condenser

motor.

(1) Remove AC condenser motor (WP 0026).

(2) Set multimeter switch to ohms.

(3) Place positive (+) probe of multimeter on red wire at

AC condenser motor terminal.

(4) Place negative (-) probe of multimeter on red wire at

AC condenser motor solenoid terminal.

(a) If there is no continuity, repair AC condenser

motor red wire (see Appendix A).

Verify repair,

go to Step 14 of this fault.

(b) If there is continuity, go to Step 9 of this fault.

CONTINUITY TEST

(1) Set multimeter switch to ohms.

(2) Place positive (+) probe of multimeter on ground

wire at AC condenser motor terminal.

(3) Place negative (-) probe of multimeter on ground

wire at other end.

(a) If there is no continuity, repair AC condenser

motor ground wire (see Appendix A).

Verify

repair, go to Step 14 of this fault.

(b) If there is continuity, replace AC condenser

motor (WP 0026).

Verify repair, go to Step 14 of

this fault.