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 automotive AC tool kit includes a 4-way gauge, 4 color-coded hoses, 2 adjustable 1/4'' quick couplers, a 1/2'' to 1/4'' Acme adapter, a 1/4'' to 5/16'' adapter, a 5/16'' to 1/4'' adapter, and a puncture-style can tap
• HYBRID ANTISHOCK GAUGES: The 2.6" 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
• BUILT TO LAST: Made from solid brass, ABS, and rubber, this AC manifold gauge set is designed for years of reliable heavy-duty use; the moisture indicator monitors your coolant's condition in real time; and calibration screws ensure 1.6% accuracy
• COLOR-CODED HOSES: Blue for low, red for high, yellow for charging, and black for evacuation, these PVC hoses have 4 layers to work with pressure up to 800 psi (4000 psi burst pressure)
• WIDE APPLICATION: This car AC gauge set works with R134a, R22, and R410a refrigerants; ideal for both DIY and professional HVAC maintenance, it allows you to measure your system's pressure, evacuate and refill coolant, and more

• Connect Hoses to AC System — Attach the color-coded hoses (blue for low, red for high) to the corresponding AC system service ports. Use the provided quick couplers and adapters to ensure a secure, leak-free connection. Ensure the gauge valves are closed before connecting.
• Connect Refrigerant Source and Gauge — Connect the yellow hose to your refrigerant source (can tap or tank). Connect the black hose to a vacuum pump or vent port for evacuation. Ensure all connections are tight to prevent refrigerant loss or air ingress.
• Read Gauges and Perform Service — Open the appropriate gauge valves to read system pressure. Perform evacuation, leak testing, or refrigerant charging as needed. Monitor the hybrid gauges closely for accurate readings throughout the process. Close valves and disconnect hoses safely after service.

Typical situations where Orion Motor Tech 4-Way AC Diagnostic Manifold Gauge Kit 3.5 kg (7.7 lb) | Hybrid Antishock Gauges for R134a helps — illustrative scenarios, not customer reviews.