1981-87 CHEV PICK-UP - Vintage Air

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FOR MAXIMUM SYSTEM PERFORMANCE VINTAGE AIR RECOMMENDS THE FOLLOWING:THIS KIT DOES NOT CONTAIN HEATER HOSE. YOU MUST PURCHASE 12 FEET OF 5/8” DIA.HEATER HOSE FROM VINTAGE AIR (31800-VUD) OR FROM YOUR LOCAL PARTS RETAILERSAFETY SWITCHES:SERVICE INFO:IMPORTANT NOTICE-PLEASE READYOUR VINTAGE AIR SYSTEM IS EQUIPPED WITH A BINARY PRESSURE SAFETY SWITCH. A BINARY SWITCH(11078-VUS) DISENGAGES THE COMPRESSOR CLUTCH IN CASE OF EXTREME LOW PRESSURE CONDITION(REFRIGERANT LOSS) OR EXCESSIVELY HIGH HEAD PRESSURE (406 PSI), TO PREVENT COMPRESSOR DAMAGEOR HOSE RUPTURE. A TRINARY SWITCH (11076-VUS) COMBINES HI/LO PRESSURE PROTECTION WITH ANELECTRIC FAN OPERATION SIGNAL AT 254 PSI., AND MAY BE SUBSTITUTED FOR USE WITH ELECTRICCONDENSER FANS. COMPRESSOR SAFETY SWITCHES ARE EXTREMELY IMPORTANT SINCE AN A/C SYSTEMRELIES ON REFRIGERANT TO CARRY LUBRICATION THROUGH THE SYSTEM.ATTENTION: SYSTEM COMPONENTS: THE COMPRESSOR, EVAPORATOR, CONDENSER & DRIER ARE CAPPED.CAPS MAY BE UNDER PRESSURE WITH DRY NITROGEN; BE CAREFUL REMOVING CAPS. DO NOT REMOVE CAPSPRIOR TO INSTALLATION. REMOVING CAPS PRIOR TO INSTALLATION WILL CAUSE COMPONENTS TO COLLECTMOISTURE AND LEAD TO PREMATURE FAILURE AND REDUCED PERFORMANCE.EVACUATE THE SYSTEM FOR 35-45 MINUTES WITH SYSTEM COMPONENTS (DRIER, COMPRESSOR, EVAPORATORAND CONDENSER) AT A TEMPERATURE OF AT LEAST 85° F. ON A COOL DAY THE COMPONENTS CAN BE HEATEDWITH A HEAT GUN OR BY RUNNING THE ENGINE WITH THE HEATER ON BEFORE EVACUATING. LEAK CHECKAND CHARGE TO SPECIFICATIONS.VINTAGE AIR SYSTEMS ARE DESIGNED TO OPERATE WITH R134aREFRIGERANT ONLY! USE OF ANY OTHER REFRIGERANTS RISKS A DANGER OF FIREAND COULD DAMAGE EITHER YOUR AIR CONDITIONING SYSTEM OR YOUR VEHICLE.USE OF ANY OTHER REFRIGERANTS WILL VOID ALL WARRANTIES OFTHE AIR CONDITIONING SYSTEM AND COMPONENTS. USE OF THE PROPERTYPE AND AMOUNT OF REFRIGERANT IS CRITICAL TO PROPER SYSTEMOPERATION. VINTAGE AIR RECOMMENDS OUR SYSTEMS BE CHARGED BYWEIGHT WITH A QUALITY CHARGING STATION OR SCALE.REFRIGERANT CAPACITY FOR VINTAGE AIR SYSTEMS(FOR OTHER SYSTEMS, CONSULT MANUFACTURER GUIDELINES)134a SYSTEMCHARGE WITH 1.8 lbs.(1lbs. 12ozs) OF REFRIGERANTLUBRICANT CAPACITIES:NEW COMPRESSOR - NO ADDITIONAL OIL NEEDED901182 REV A 6/13/11, INST 81-87 CHEV P-UP wo AC EVAP KIT PG 4 OF 274
IMPORTANT WIRING NOTICE-PLEASE READSOME VEHICLES MAY HAVE HAD SOME OR ALL OF THEIR RADIO INTERFERENCE CAPACITORSREMOVED. THERE SHOULD BE A CAPACITOR FOUND AT EACH OF THE FOLLOWING LOCATIONS:1. ON THE POSITIVE TERMINAL OF THE IGNITION COIL2. IF THERE IS A GENERATOR, ON THE ARMATURE TERMINAL OF THE GENERATOR3. IF THERE IS A GENERATOR, ON THE BATTERY TERMINAL OF THE VOLTAGE REGULATORMOST ALTERNATORS HAVE A CAPACITOR INSTALLED INTERNALLY TO ELIMINATE WHAT IS CALLED'WHINING' AS THE ENGINE IS REVVED. IF WHINING IS HEARD IN THE RADIO, OR JUST TO BE EXTRACAUTIOUS, A RADIO INTERFERENCE CAPACITOR CAN BE ADDED TO THE BATTERY TERMINAL OFTHE ALTERNATOR.IT IS ALSO IMPORTANT THAT THE BATTERY LEAD IS IN GOOD SHAPE AND THAT THE GROUNDLEADS ARE NOT COMPROMISED. THERE SHOULD BE A HEAVY GROUND FROM THE BATTERY TOTHE ENGINE BLOCK, AND ADDITIONAL GROUNDS TO THE BODY AND TO THE CHASSIS.IF THESE PRECAUTIONS ARE NOT OBSERVED, IT IS POSSIBLE FOR VOLTAGE SPIKES TO BE PRESENTON THE BATTERY LEADS. THESE SPIKES COME FROM IGNITION SYSTEMS, CHARGING SYSTEMS,AND FROM TURNING SOME OF THE VEHICLE'S OTHER SYSTEMS ON AND OFF. MODERNCOMPUTER OPERATED EQUIPMENT CAN BE SENSITIVE TO VOLTAGE SPIKES ON THEIR POWERLEADS, WHICH CAN CAUSE UNEXPECTED RESETS, STRANGE BEHAVIOR, AND MAY ALSO CAUSEPERMANENT DAMAGE.VINTAGE AIR STRIVES TO HARDEN THEIR PRODUCTS AGAINST THESE TYPES OF ELECTRICAL NOISE,BUT THERE IS A POINT WHERE A VEHICLE'S ELECTRICAL SYSTEM CAN BE DEGRADED SO MUCHTHAT NOTHING CAN HELP.RADIO INTERFERENCE CAPACITORS SHOULD BE AVAILABLE AT MOST AUTO & TRUCK PARTSSUPPLIERS. THEY TYPICALLY ARE CYLINDRICAL IN SHAPE, A LITTLE OVER AN INCH LONG, A LITTLEOVER A HALF INCH IN DIAMETER, THEY HAVE A SINGLE LEAD COMING FROM ONE END OF THECYLINDER WITH A TERMINAL ON THE END OF THE WIRE, AND THEY WILL HAVE A MOUNTING CLIPWHICH IS SCREWED INTO A GOOD GROUND ON THE VEHICLE. THE SPECIFIC VALUE OF THECAPACITANCE IS NOT TOO SIGNIFICANT, IN COMPARISON TO IGNITION CAPACITORS THAT AREMATCHED WITH THE COIL TO REDUCE PITTING OF THE POINTS.CARE MUST BE TAKEN WHEN INSTALLING THE COMPRESSOR LEAD, NOT TO SHORTIT TO GROUND. THE COMPRESSOR LEAD MUST NOT BE CONNECTED TO A CONDENSERFAN OR ANY OTHER AUXILIARY DEVICE. SHORTING TO GROUND OR CONNECTINGTO A CONDENSER FAN OR ANY OTHER AUXILIARY DEVICE WILL CAUSE SEVERE DAMAGETO THE ECU.WHEN INSTALLING GROUND LEADS ON GEN IV SYSTEMS, THE BLOWER CONTROL GROUNDAND ECU GROUND MUST BE CONNECTED DIRECTLY TO THE NEGATIVE BATTERY POST.5THE HEATER CONTROL VALVE IS A NORMALLY OPEN VALVE. IT MUST BE CONNECTED TOTHE ECU TO BLOCK WATER FLOW IN MAX AC MODE.901182 REV A 6/13/11, INST 81-87 CHEV P-UP wo AC EVAP KIT PG 5 OF 27
Page 6 and 7: ENGINE COMPARTMENTBEFORE STARTING T
Page 8 and 9: DEFROST DUCT INSTALLATIONINSTALL (4
Page 10 and 11: BRACKET & EVAPORATOR HARDLINE INSTA
Page 12 and 13: EVAPORATOR INSTALLATIONLIFT EVAPORA
Page 14 and 15: HEATER HOSE & HEATER CONTROL VALVE
Page 16 and 17: PASSENGER SIDE LOUVER DASH PANEL IN
Page 18 and 19: GLOVE BOX MODIFICATIONUSE GLOVE BOX
Page 20 and 21: WIRING DIAGRAM232007-VURJF8TANORABL
Page 22 and 23: OPERATION OF CONTROLSNOTE: WHEN BAT
Page 24 and 25: TROUBLE SHOOTING INFORMATION CONT.4
Page 26 and 27: GLOVE BOX MODIFICATION TEMPLATE73-8

1981-87 CHEV PICK-UP - Vintage Air

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