KEANTY 4-Trumpet 150 psi Air System 150dB+ Metal 12V Train Air Horn Kit for car Truck (Blue, 6 L): Automotive. Buy KEANTY 4-Trumpet 150 psi Air System 150dB+ Metal 12V Train Air Horn Kit for car Truck (Blue, 6 L): Air Horns - ✓ FREE DELIVERY possible on eligible purchases. This compressor comes with built-in 0-150 PSI pressure gauge which is designed for any high-pressure air horns that require on-board air system. 。 Equipped with built-in temperature switch with great performance. Will automatically shut off when air compressor goes over 80°C and restart when it gets back down to 70 °C. 。 This powerful quad trumpet air horn produces a loud roaring sound. Made entirely of metal for maximum protection against all weather conditions. 。 Note: Keep away from high temperature and moisture. 。 Fast Delivery - Our products are all in US warehouse, you can get it in 3-8 days. 。 HOW TO USE:。1. Remove compressor, receiver drier or accumulator, orifice tube or expansion valve.。2. Flush the condenser and evaporator using NON-OIL BASED A/C flush. On expansion valve systems THE VALVE MUST BE REMOVED before the evaporator can be flushed. FLUSHED CONDENSERS FROM OUTLET TO INLET AND EVAPORATORS FROM INLET TO OUTLET.。Warning: Newer Style condenser designs are very hard, and sometime it would be impossible to do flush, In those cases it is suggested that if the compressor has a major failure the condenser should be replaced.。3. Drain all the oil from the new compressor and dispose of according to local, state and federal laws. NOTE: if you compressor has a drain plug you will need to open it up and drain what oil is in there too.。4. Install half oil charge into the compressor and the remainder throughout the system. Turn compressor shaft 8-10 full revolutions to insure front seal and other internal parts are lubricated.。. Install new receiver drier or accumulator and new orifice tube or expansion valve.。6. Evacuate the A/C system for a minimum of one hour.。7. After evacuation install half the refrigerant charge and let the system set for 1 minute. This will allow the refrigerant to pick up oil and spread more evenly throughout the system.。8. Start engine whit A/C controls on MAX AIR with door and windows open.。9. Add the remaining charge of refrigerant as called for by the manufacture.。10.Keep away from high temperature and moisture.。Installation Tips:。Face to the mouth of the hose connector and then bind it clockwise with the sealing tape for 3- circles. Then tightly screw up it with the connector of compressor and horn.。 。 。 。
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