Compressor Pulley: Testing and Inspection

- Checking for heat damage of the tension pulley.
- Check for excessive play or deflection of the tension pulley.
- Check for unusual wear of the tension pulley.
- Check for hardening of the compressor drive belt.
- Check for unusual wear or abrasion of the compressor drive belt.





- Check the surface of the armature for scoring or bluing.
- Check the surface of the rotor for scoring or bluing.
- Check the sealing surfaces for cracks, scratches and deformation.
- Check the front housing for cracks or scoring on the sealing surfaces.
- Check the compressor shaft for scoring.

REFRIGERANT-TEMPERATURE SWITCH
Check that there is continuity between connector terminals 1 and 2.

REVOLUTION PICK UP SENSOR CHECK
Check that the resistance between connector terminals 3 and 4 is in the standard value range.
Standard value: 405 ± 35 Ohms (at 20 °C)