Warning! • ONLY use this tool kit for its intended purpose, connecting the low or high-pressure service port on air-conditioning systems using R1234yf refrigerant. DO NOT use it on A/C systems running on any other refrigerants. • ONLY use the RED coupler on the HIGH-PRESSURE service port. ONLY use the BLUE coupler on the LOW-PRESSURE port.
Package List Name Qty. High-Pressure R1234yf Quick Coupler Low-Pressure R1234yf Quick Coupler 1/4″ to 1/2″ Adapters Puncture Can Tap Self-Sealing Can Tap Valve Core Remover Parts Diagram Coupler Knob Coupler Knob Coupler Side Port Coupler Side Port Coupler Sleeve Coupler Sleeve...
Operation Setup 1. For the following operations, aside from this tool kit, you will need a manifold pressure gauge, a vacuum pump, refrigerant, and connecting hoses. 2. Turn the knobs on the high and low-pressure couplers counterclockwise to fully seal them. Do the same for your manifold gauge. 3.
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Damaged Valve Core Removing 1. Follow the steps in Diagnosing the A/C System to check that there is no refrigerant remaining in the system. If not, follow the steps in Evacuating Refrigerant & Contamination to evacuate the system. 2. Remove the couplers by pulling their sleeves back. Locate the valve core and select the right tip of the provided valve core remover.
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When the readings comply and stabilize, turn the lever/knob on the tap clockwise to fully seal the can. Turn the low-pressure knob on the gauge to close it. Do the same for the high- pressure knob. 10. Turn the blue coupler knob(low-pressure) counterclockwise to fully close it. Pull its sleeve up, releasing the coupler from the vehicle’s service port.
Maintenance • Replace the rubber protective cap on the side ports after each use. • Clean the exterior of the tool using a soft damp cloth after use. Do not use abrasive cleaners or caustic chemicals. • Lubricate moving parts with vacuum grease as needed. Periodically check the O-rings inside the connections of each piece.
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