TIKSCIENCE R1234yf Compressor Oil Dye Injector with A R134a Quick Coupler and Low R1234yf Quick Coupler

Instruction: 1.Rotate the inside cylinder clockwise to the top. 2.Unscrew the cover on the top of the smaller cylinder. 3.Pour the liquid(Refrigeration Oil / Fluorescent Dye / Leak Detection Dye) into the cylinder. 4.Tighten the cover. 5.If the cylinder is not ful filled with oil,then discharge the air is needed.(Rotate the bigger cylinder counterclockwise until the oil flows out at the end of the hose.) 6.Turn on the car air conditioner to the maximum air volume. 7.Attach the low pressure quick connector to the cylinder. 8.Locate the low pressure filler port of the car air conditioner and connect the other end of the quick connector. 9.Rotate the cylinder counterclockwise to inject the oil into the air conditioning system. Package Includes: 1 x Oil and Dye Injector 1 x R-134a Snap Coupler 1 x Low side quick connector/adapter 1x Manual