13A Z AIR IIDIIDITIGNING r U I I Ill0Il down Airflow can be adjusted for quick delivery to a specific spot or for gentle diffusion of air throughout For fast maximum efficiency purge the vehicle of the vehicle hot air by driving the equivalent of two or three city When the interior of the vehicle has cooled to the blocks with at least one window open During this desired temperature the AIR knob may be eet to eb time place the TEMP control in the MAX position and tain the desired volume of air from the air outlets the FAN control in the PC position This permits the The TEMP knob may be rotated to vary the tem evaporator to precool in hot weather perature It may be necessary to experiment with the TEMP knob to determine the settings best suited to CAUTION D0 mt leave fm mmm on pcfm Lange various driving conditions Generally the MAX setting than 30 8gC0 d8 Move the fan comm to H position is comfortable for city driving and a lesser setting and mise ay window comfortable for open road driving Run the engine well above idle speed for more effi Adjust the air outlets to obtain desired airflow dis cient cooling under conditions in which the system is tribution by moving the louver levers left right up or operated with the vehicle standing P r armanca Illagnusls Condition Possible Cause Correction COMPRESSOR NOISE 1 Broken valves 1 Replace valve plate 2 Overcharged 2 Discharge evacuate and install correct charge 3 Incorrect oil level 3 Isolate compressor and check oil level Correct as necessary 4 Piston slap 4 Replace compressor 5 Broken rings 5 Replace compressor EXCESSIVE 1 Incorrect belt tension 1 Set belt tension Refer VIBRATION to Compressor Belt Tension 2 Clutch loose 2 Tighten clutch 3 Overcharged 3 Discharge evacuate and install correct charge 4 Pulley misaligned 4 Align pulley CONDENSATION 1 Drain hose plugged 1 Clean drain hose and DRIPPING IN or improperly check for proper in PASSENGER positioned stallation COMPARTMENT 2 Insulation removed 2 Replace insulation on or improperly in expansion valve and stalled hoses FROZEN 1 Faulty thermostat 1 Replace thermostat EVAPORATOR COIL 2 Thermostat capillary 2 Install capillary tube tube improperly in correctly stalled