Compressor HVAC: Testing and Inspection

HEATING / AIR CONDITIONING: COMPRESSOR: INSPECTION

INSPECTION





1. INSPECT MAGNET CLUTCH ASSEMBLY
(a) Check the magnet clutch operation.
(1) Confirm that the magnet clutch hub and magnet clutch rotor lock when the battery positive lead is connected to terminal 3 of the magnet clutch, and the negative lead is connected to the ground wire.
If the operation is not as specified, replace the magnet clutch assembly.
(b) Measure the resistance.
(c) Measure the resistance between terminals 1 and 2.
Standard resistance:
65 to 125 Ohms at 20°C (68°F)
If the resistance is not as specified, replace the cooler compressor assembly.