Harbor Freight A C R134A Manifold Gauge Set Quick Start Manual
2015-05-27
: Harbor-Freight Harbor-Freight-A-C-R134A-Manifold-Gauge-Set-Quick-Start-Manual-723638 harbor-freight-a-c-r134a-manifold-gauge-set-quick-start-manual-723638 harbor-freight pdf
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Blue LP (Low-Pressure) side A/C MANIFOLD GAUGE SET QUICK REFERENCE GUIDE ITEM 92649 LP Manifold Valve LP Coupler Valve Red HP (High-Pressure) side LP and Vacuum Gauge HP Gauge Sight Glass Manifold Valve operation: HP Manifold Valve CCW = close (clockwise) = open (counterclockwise) Coupler Valve operation: Secondary Charging Port LP Coupler CW HP Coupler Valve Charging Hose HP Coupler CCW = close CW = open (counterclockwise) (clockwise) WARNING To prevent SERIOUS INJURY and DEATH: 1. READ ENTIRE MANUAL BEFORE USE. 2. Use in well-ventilated area only. 3. Wear ANSI-approved safety goggles and heavy-duty work gloves during setup and use. 4. DO NOT OPEN either Manifold Valve unless directed to do so; otherwise, refrigerant leaks, A/C contamination, and hazardous expulsion of pressurized refrigerant may occur. 5. Keep gauge and hoses away from moving engine parts. 6. Turn off vehicle’s engine and A/C system before attaching gauge. 7. Technicians performing this procedure or opening refrigeration circuit in automotive air conditioning systems MUST be certified in refrigerant recovery and recycling procedures in compliance with section 609 of Clean Air Act Amendments of 1990. WARNING Diagnostic Check A/C service can be dangerous. To prevent SERIOUS INJURY, read entire manual before use. 3 ATTACH COUPLERS: Attach Couplers to A/C system, Blue to suction LP port, and Red to discharge HP port. 1 4 CHECK: 1 KEEP CLOSED 4 CW CCW 2 3 2 Connect Red, Blue and Yellow Hoses to Manifold and Couplers as shown, RED – RED and BLUE – BLUE. AFTER: 1 CW Close Coupler Valves by turning CCW. Shut off engine and A/C system if dynamic check was done. CAREFULLY disconnect Couplers from A/C system; hoses may contain residual refrigerant. CW KEEP CLOSED 4 2 2 CW 1 1 CCW 3 To suction LP port CONNECT HOSES: 5 To do a dynamic check, turn on engine, allow to warm up, then turn on A/C. Open Coupler Valves - turn CW. Compare Gauge readings to vehicle’s service specifications. To discharge HP port CLOSE ALL VALVES: Manifold Valves - turn CW. Coupler Valves - turn CCW. 4 WARNING Recovery / Evacuation RECOVERY / EVACUATION: 3 ATTACH COUPLERS: Attach Couplers to A/C system, Blue to suction LP port and Red to discharge HP port. Turn on recovery system / vacuum pump. Open Coupler Valves - turn CW. Open Manifold Valves - turn CCW. Read amount of vacuum on Blue LP Gauge. 1 4 4 CCW CCW CW 1 4 CW CCW 2 3 5 AFTER: Shut off recovery system / vacuum pump when vacuum reaches manufacturer’s recommendation. Close Coupler Valves by turning CCW. Disconnect Couplers from A/C system. 1 CW 2 To suction LP port CONNECT HOSES: A/C service can be dangerous. To prevent SERIOUS INJURY, read entire manual before use. Connect Red and Blue Hoses to Manifold and Couplers as shown, RED – RED and BLUE – BLUE. Connect Yellow Hose to refrigerant recovery system / vacuum pump. 4 2 2 To refrigerant recovery system / vacuum pump 1 CW 1 CCW 3 To discharge HP port CLOSE ALL VALVES: Manifold Valves - turn CW. Coupler Valves - turn CCW. WARNING Charging 4 A/C service can be dangerous. To prevent SERIOUS INJURY, read entire manual before use. CHARGING: Turn on engine, allow to warm up, then turn on A/C. Open Coupler Valves - turn CW. Only open BLUE Manifold Valve - turn CCW. 3 ATTACH COUPLERS: Attach Couplers to A/C system, Blue to suction LP port and Red to discharge HP port. 1 1 4 CCW CW 2 2 KEEP CLOSED CW 1 4 CW CCW 2 3 To suction LP port CONNECT HOSES: Connect Red and Blue Hoses to Manifold and Couplers as shown, RED – RED and BLUE – BLUE. Connect Yellow Hose to R-134a supply. KEEP R-134A CAN/CYLINDER UPRIGHT. 5 AFTER: 2 To R-134a supply 1 After charging manufacturer recommended amount of R-134a, close Coupler Valves by turning CCW. Shut off engine and A/C system. CAREFULLY disconnect R-134a supply and Couplers from A/C system; hoses may contain residual refrigerant. 4 CW 1 CCW 3 To discharge HP port CLOSE ALL VALVES: Manifold Valves - turn CW. Coupler Valves - turn CCW.
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