Orion Motor Tech 4-Way AC Diagnostic Manifold Gauge Kit 3.5 kg (7.7 lb) | Hybrid Antishock Gauges for R134a, R410a, R22

• COMPLETE GAUGE SET: This professional automotive AC tool kit includes a 3-way gauge, 3 color-coded hoses, 2 adjustable 1/4'' quick couplers, a 1/4'' to 1/2'' Acme adapter, and both self-sealing and puncture-style can taps
• HYBRID ANTISHOCK GAUGES: The 68 mm high and low pressure gauges combine the best features of dry and liquid-filled designs, with an oil-filled core resisting wear and shock and a dry dial providing better winter performance
• COLOR-CODED HOSES: Blue for low, red for high, and yellow for charging, these PVC hoses have 4 reinforced layers to work with daily pressure up to 600 psi (3000 psi burst pressure)
• WIDE APPLICATION: This car AC gauge set works with R134a, R12, R22, and R502 refrigerants; ideal for both DIY and professional HVAC maintenance, it allows you to measure your system's pressure, evacuate and refill coolant, and more
• 2 CAN TAPS: This AC manifold gauge kit includes both puncture-style and self-sealing can taps to work with your refrigerant cannisters both new and old

• Attach the blue hose to the low-pressure port, red hose to the high-pressure port, and yellow hose to the refrigerant source. Ensure couplers are securely fastened to prevent leaks. — Connect Hoses to AC System
• Use the appropriate can tap (self-sealing or puncture) to connect the yellow hose to your refrigerant canister. Ensure the tap is securely attached before opening the canister valve. — Connect Refrigerant Source
• Open the necessary valves to measure system pressure on the gauges. Follow your vehicle's service manual for correct pressure ranges and recharge procedures, adding refrigerant as needed. — Measure Pressure and Recharge
• If necessary, use the system to evacuate air and moisture before recharging. Once complete, close all valves, disconnect the hoses, and store the set in its protective case. — Evacuate and Disconnect

Typical situations where Orion Motor Tech AC Gauge Set for R134a helps — illustrative scenarios, not customer reviews.