Specifications Blue (Low) Gauge 0-120 PSI Blue Hose 1/ 4 Red (High) Gauge 0-500 PSI Red Hose Yellow Hose 1/ 4 1/ 2 Gauge Accuracy +/-2% IN. FFL x 4 FT. 9 IN. IN. FFL x 4 FT. 9 IN. IN. ACME x 4 FT. 9 IN. Set includes Quick Disconnect Valves WARNING! ONLY USE R-134a REFRIGERANT WITH THIS A/C MANIFOLD GAUGE SET. Safety Warnings WARNING Read all safety warnings and instructions. Failure to follow the warnings and instructions may result in serious injury.
14. People with pacemakers should consult their physician(s) before using this product. Electromagnetic fields in close proximity to a heart pacemaker could cause interference to or failure of the pacemaker. In addition, people with pacemakers should observe the following: Caution is necessary when near the coil, spark plug cables, or distributor of a running engine. 15.
Applications 1. The Red HP Gauge (3) is used to measure high‑pressure compressor discharge side pressure. 6. The Yellow Hose (18), also called Charge Hose can be used three ways: a. Refrigerant recovery/evacuation. 2. The Blue LP Gauge (5) is used to measure low-pressure side suction or pressure. b. Charging (filling) the system. c. For checking, attach the Yellow Hose (18) to both branches of the T-fitting (16) to reduce the risk of leaks. 3.
Operation Read the ENTIRE SAFETY WARNINGS section at the beginning of this manual before set up or use of this product. TO PREVENT EXPLOSION, SERIOUS INJURY, AND DEATH: Service of air conditioning systems must be done only by trained and experienced technician to avoid overfilling. Technicians 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 To prevent SERIOUS INJURY and DEATH: 1. Wear ANSI-approved safety goggles and heavy-duty work gloves during setup and use. 2. DO NOT OPEN either Manifold Valve unless directed to do so; otherwise, refrigerant leaks, A/C system contamination, and hazardous expulsion of pressurized refrigerant may occur. 3. Use in well-ventilated area only. 4. Keep gauge and hoses away from moving engine parts. 5. Turn off vehicle’s engine and A/C system before attaching gauge. 6.
WARNING To prevent SERIOUS INJURY and DEATH: 1. Wear ANSI-approved safety goggles and heavy-duty work gloves during setup and use. 2. DO NOT OPEN either Manifold Valve unless directed to do so; otherwise, refrigerant leaks, A/C system contamination, and hazardous expulsion of pressurized refrigerant may occur. 3. Use in well-ventilated area only. 4. Keep gauge and hoses away from moving engine parts. 5. Turn off vehicle’s engine and A/C system before attaching gauge. 6.
WARNING To prevent SERIOUS INJURY and DEATH: 1. Wear ANSI-approved safety goggles and heavy-duty work gloves during setup and use. 2. DO NOT OPEN either Manifold Valve unless directed to do so; otherwise, refrigerant leaks, A/C system contamination, and hazardous expulsion of pressurized refrigerant may occur. 3. Use in well-ventilated area only. 4. Keep gauge and hoses away from moving engine parts. 5. Turn off vehicle’s engine and A/C system before attaching gauge. 6.
Inspection, Maintenance and Cleaning Procedures not specifically explained in this manual must be performed only by a qualified technician. TO PREVENT SERIOUS INJURY FROM TOOL FAILURE: Do not use damaged equipment. If abnormal noise, vibration, or leaking air/refrigerant occurs, have the problem corrected before further use. 1. Before each use, inspect the general condition of the A/C Manifold Set.
Parts List and Diagram Part 1 2 3 4 5 6 7 8 9 10 11 12 Page 10 Description Rubber Cover Manifold Body Red HP Gauge Hook Blue LP Gauge Blue Coupler Storage Plug Red Coupler Storage Plug Valve Seat Valve Stem Valve Nut Manifold Valve O-Ring Qty. 1 1 1 1 1 1 1 2 2 2 2 1 Part Description Qty.
PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS DOCUMENT AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT.
Limited 90 Day Warranty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase.
