Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Compressor HVAC: Testing and Inspection

Compressor

INSPECTION

MAGNETIC CLUTCH CLEARANCE
1. Check the clearance of the entire circumference around the drive plate and pulley.

Standard: 0.45 ± 0.15 mm (0.0177 ± 0.0059 in)

MAGNETIC CLUTCH OPERATION
1. Disconnect the compressor connector.




2. Connect the battery positive terminal to the No.3 terminal of the compressor connector. Ground the negative terminal to the body.
3. Make sure the magnet clutch engages.
If NG, replace the compressor.