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*5: HA-2 Maintenance of Lubricant Quantity in NHHA0229 The lubricant in the compressor circulates through the system with I Lack of lubricant: May lead to a seized compressor I Excessive lubricant: Inadequate cooling (thermal exchange LUBRICANT NHHA0229S01 Name: Nissan A/C System Oil Type S CHECKING AND ADJUSTING NHHA0229S02 Adjust the lubricant quantity according to the test group shown 1 CHECK LUBRICANT RETURN OPERATION Can lubricant return operation be performed? I A/C system works properly. I There is no evidence of a large amount of lubricant leakage. Yes or No Yes © GO TO 2. No © GO TO 3. 2 PERFORM LUBRICANT RETURN OPERATION, PROCEEDING AS FOLLOWS: 1. Start engine, and set the following conditions: Test condition 2. Next item is for V-6 compressor. Connect the manifold gauge, and check that the high pressure side pressure is 588 kPa (6 kg/cm 2 , 85 psi) or higher. If less than the reference level, attach a cover to the front face of the condenser to raise the pressure. 3. Perform lubricant return operation for about 10 minutes. CAUTION: If excessive lubricant leakage is noted, do not perform the lubricant return operation. OK © GO TO 3. GI MA EM LC EC FE AT AX SU BR ST RS BT SC EL IDX SERVICE PROCEDURE HFC-134a (R-134a) Service Procedure (Cont’d) HA-109 |