< BASIC INSPECTION >
MAINTENANCE OF LUBRICANT LEVEL
The compressor lubricant is circulating in the system together with the refrigerant. It is necessary to fill com-
If a compressor is malfunctioning (internal noise, insufficient cooling), check the compressor oil.
COMPRESSOR OIL JUDGMENT
Remove the compressor. Refer to
Sample a compressor oil and judge on the figure.
Judgement result 1>>Replace compressor only.
Perform Lubricant Return Operation
If a large amount of refrigerant or lubricant leakage is detected, never perform lubricant return opera-
Start the engine and set to the following conditions.
Perform lubricant return operation for approximately 10 minutes.
Stop the engine.
Lubricant return operation is complete.
Lubricant Adjusting Procedure for Components Replacement Except Compressor
Fill with lubricant for the amount that is calculated according to the following conditions.