Checking And Adjusting: Notes

Adjust the lubricant quantity according to the test group shown below.

1. LUBRICANT RETURN OPERATION 

   Can lubricant return operation be performed?

   • A/C system works properly.
   • There is no evidence of a large amount of lubricant leakage.

   Yes or No 

   1. Yes: GO TO 2.
   2. No: GO TO  3.
2. PERFORM LUBRICANT RETURN OPERATION, PROCEEDING AS FOLLOWS 
   1. Start engine, and set the following conditions:
      • Test condition 

        Engine speed: Idling to 1,200 rpm 

        A/C switch: ON 

        Blower speed: Max. position 

        Temp. control: Optional [Set so that intake air temperature is 25 to 30°C (77 to 86°F).] 

        Intake position: Recirculation (REC) 

   2. Perform lubricant return operation for about 10 minutes.
   3. Stop engine.
   CAUTION: If excessive lubricant leakage is noted, do not perform the lubricant return operation.
   1. : GO TO 3.
3. CHECK COMPRESSOR 

   Should the compressor be replaced?

   Yes or No 

   1. Yes: GO TO LUBRICANT ADJUSTMENT PROCEDURE FOR COMPRESSOR REPLACEMENT .
   2. No: GO TO 4.
4. CHECK ANY PART 

   Is there any part to be replaced? (Evaporator, condenser, liquid tank or in case there is evidence of a large amount of lubricant leakage.)

   Yes or No 

   1. Yes: GO TO LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COMPRESSOR .
   2. No: Carry out the A/C performance test.