isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Checking and Adjusting Oil for Replacement Compressors|Page 3960 > < Checking and Adjusting Oil for Replacement Compressors
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6. Adjust the oil level following the next procedure below.
7. Install the compressor, then evacuate, charge and perform the oil return operation.
8. Check system operation.

When it is impossible to perform oil return operation, the compressor oil should be checked in the following order:
1. Discharge and recover refrigerant and remove the compressor.
2. Drain the compressor oil and measure the extracted oil with a measuring cylinder.
3. Check the oil for contamination.
4. It more than 90 cc (3.0 fl oz) of oil is extracted from the compressor, supply the same amount of oil to the compressor to be installed.
5. If the amount of oil extracted is less than 90 cc (3.0 fl oz), recheck the compressor oil in the following order.
6. Supply 90 cc (3.0 fl oz) of oil to the compressor and install it onto the vehicle.
7. Evacuate and recharge with the proper amount of refrigerant.
8. Perform the oil return operation.
9. Remove the compressor and recheck the amount of oil.

10. Adjust the compressor oil, if necessary.

 

Checking and Adjusting Oil for Replacement Compressors|Page 3960 > < Checking and Adjusting Oil for Replacement Compressors