Oil Charge

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New compressors are pre-charged with the proper amount of lubricant needed for the entire refrigerant system. If a new compressor is installed and no additional oil has been lost from the system, drain and measure amount of oil present in old compressor. Drain oil from new compressor, then fill with the amount of oil drained from old compressor plus an additional .8 ounce.
When replacing system components, add refrigerant oil as follows: condenser, .6 ounce; evaporator, 1.4 ounces; receiver-drier, .6 ounce.

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