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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Refrigerant Oil






Refrigerant Oil Capacities

When replacing components, the following oil volumes shall be found in the new components or shall be filled in the system through the service valve, except for the compressor.





Oil return when reusing compressor
Measure the volume of the oil drained from the compressor
Replace the volume of drained oil according to the table below





Oil return when replacing compressor
Drain the old compressor of oil, and measure the amount
Drain the new compressor of oil (the amount may be below specified value since it is not possible to drain all oil from the compressor)
Use the table below to fill the new compressor with the right amount of oil