Harbor Freight Tools R134A Product manual
Contents
1. Keep hands away from the moving parts and hot parts of vehicle s engine 20 21 22 23 24 25 26 27 Read and understand all instructions and safety precautions as outlined in the vehicle manufacturer s manual for air condition servicing Only qualified mechanics that are trained in servicing air conditioning systems should use this product When warming up an engine in preparation for checking of the A C system make sure the vehicle s transmission is placed in Park and the emergency brake is applied Refrigerant can cause severe frostbite if it comes in contact with skin Follow the safety warnings and instructions provided by the refrigerant manufacturer Do not disconnect any pressurized hose Pressurized refrigerant can cause severe injury Use caution when opening an air conditioning system line or can of refrigerant When checking always place a towel around the service valves of the air conditioning unit and Red and Blue Couplers 22 and 23 Keep refrigerant away from excessive heat as pressure in the container could increase enough to rupture the can Do not discharge refrigerant into the atmosphere Capture refrigerant into an approved recovery container not included and then dispose of properly Contact your local Hazardous Waste Authority for disposal guidelines Only use refrigerant in a manner consistent with the air conditioning system s repair manual A2. L Plug 7 f Charge s Sight D Valve ie Glass Ww Qe of 13 o8 ra go l A T l g 8 1 3 i 8 ee Blue So dg 1 89 Red Coupler o 2 i Coupler 23 1 a2 1 22 1 Qo l Page 4 For technical questions please call 1 800 444 3353 Item 92649 Operation Read the ENTIRE SAFETY WARNINGS section at the beginning of this manual before set up or use of this product AWARNING 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 For additional information regarding ozone depletion and air conditioning service regulations visit EPA s website www epa gov ozone AWARNING TO PREVENT SUDDEN LOSS OF CONSCIOUSNESS AND DEATH Connect and use in a well ventilated area ONLY Refrigerant can displace air if allowed to accumulate causing sudden loss of consciousness followed by death This can happen WITHOUT FEELING SHORTNESS OF BREATH AWARNING TO PREVENT EXPLOSION SERIOUS INJURY AND DEATH Do not open the red HP Manifold Valve unless requested to do so during the recovery evacuation procedure Refrigerant is under great pressure Attempting to add refrigerant through the HP side o
3. any shape or form without the express written consent of Harbor Freight Tools Failure to do so can result in serious injury Diagrams within this manual may not be drawn proportionally Due to continuing SAVE THIS MANUAL improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included Specifications A 1 Page 2 Blue Low Gauge Blue Hose Red High Gauge Red Hose Yellow Hose Gauge Accuracy 0 120 PSI 1 4 IN FFL x 4 FT 9 IN 0 500 PSI WARNING ONLY USE R 134a REFRIGERANT WITH THIS A C MANIFOLD GAUGE SET Safety Warnings Keep work area clean and well lit Keep children away Children must never be allowed in the work area Do not let them handle the A C Manifold Gauge Set There are certain applications for which this A C Manifold Gauge Set was designed It will do the job better and more safely at the rate for which it was intended Do not modify this A C Manifold Gauge Set and do not use this A C Manifold Gauge Set for a purpose for which it was not intended Dress properly Do not wear loose clothing or jewelry as they can be caught in moving engine parts Protective clothes and nonskid footwear are recommended when working Wear restrictive hair covering to contain long hair Wear ANSI approved impact safety goggles and heavy duty work gloves at all times during setup and use Do not overreach Keep proper foot
4. CCW c Read the amount of vacuum on the Blue LP Gauge 5 Item 92649 For technical questions please call 1 800 444 3353 5 AFTER a Shut off the refrigerant recovery system vacuum pump when the vacuum level reaches the manufacturer s recommended level b Close both Coupler Valves 22 23 by turning CCW c Disconnect the Couplers 22 23 from the A C system Pull back the knurled ring on each Coupler 22 23 and store it on its Coupler Storage Plug 7 amp 6 TURN VALVES AS SHOWN ONLY AFTER MAKING ALL CONNECTIONS AND TURNING ON REFRIGERANT RECOVERY SYSTEM VACUUM PUMP To refrigerant recovery system vacuum pump suction LP port discharge HP port Page 7 AWARNING To prevent SERIOUS INJURY and DEATH 1 Wear ANSI approved safety goggles and heavy duty work gloves during setup and use 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 Charging 1 3 Close both Manifold Valves 11 by turning CW Close both Coupler Valves 22 23 by turning CCW CONNECT HOSES a ATTACH COUPLERS a Attach the Red Coupler 22 to the Connect one end of the Blue Hose 19 to the Blue LP Hose Connector and the other end to the Blue Coupler 23 Connect one end of the Red Hose 17 to the Red LP Hose Connector a
5. Item 92649 Inspection Maintenance and Cleaning Procedures not specifically explained in this manual must be performed only by a qualified technician AWARNING 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 2 Periodically clean with a damp cloth of the A C Manifold Set Check for cracked or using a mild detergent or solvent broken parts damaged Hoses 17 18 19 and any other condition that may affect safe operation If a 3 When storing keep the set clean and dry problem with the Set occurs have it corrected before Also connect the Red Coupler 22 and further use Do not use damaged equipment the Blue Coupler 23 to its corresponding Coupler Storage Plug 7 or 6 to prevent contamination PITTSBURGH Item 92649 For technical questions please call 1 800 444 3353 Page 9 Parts List and Diagram Description _ z Page 10 Description _ Rubber Cover Manifold Bod Red HP Gauge Hook ooo OO Blue LP Gauge Valve Nut Manifold Valve O Ring 13 14 15 16 17 18 19 20 21 22 23 Blue Coupler LP 1 HP means High pressure LP means Low pressure For technical questions please call 1 800 444 3353 ae L G77 a1 a Item 92649 PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND O
6. SAVE THESE INSTRUCTIONS PITTSBURGH For technical questions please call 1 800 444 3353 Page 3 N The Red HP Gauge 3 is used to 6 The Yellow Hose 18 also called Charge measure high pressure compressor Hose can be used three ways discharge side pressure a Refrigerant recovery evacuation The Blue LP Gauge 5 is used to measure b Charging filling the system low pressure side suction or pressure c For checking attach the Yellow Hose 18 w B a Components and Functions to both branches of the T fitting 16 The Manifold Valves 11 control the flow of to reduce the risk of leaks refrigerant to and from the Yellow Hose 18 also called the Charge Hose 7 The charge valve allows for simultaneous The Coupler Valves 22 23 control connection of a refrigerant recovery system the flow to the Gauges 3 5 from the 8 General instructions for A C service are outlined Red and Blue Hoses 17 19 in this manual Specific procedures for each individual system type and model should be referenced in the vehicle manufacturer s specific A C system service manual The Sight Glass 13 allows checking the appearance of the refrigerant 9 See Operation instructions that follow LOW PRESSURE HIGH PRESSURE LP BLUESIDE _ HP RED SIDE Red HP Gauge 3 Blue LP Gauge 5 Blue LP Red HP Manifold Manifold Valve Valve Blue Red Coupler Coupler Storage Storage Plug 6
7. and heavy duty work gloves during setup and use DO NOT OPEN either Manifold Valve unless directed to do so otherwise refrigerant leaks A C system contamination and hazardous expulsion of Use in well ventilated area only Keep gauge and hoses away from moving engine parts Turn off vehicle s engine and A C system before attaching gauge The following procedure is to be performed only by a technician certified in refrigerant recovery and recycling procedures as explained previously pressurized refrigerant may occur Recovery Evacuation 1 Close both Manifold Valves 11 by turning CW Close both Coupler Valves 22 23 by turning CCW 2 CONNECT HOSES a Connect one end of the Blue Hose 19 to the Blue LP Hose Connector and the other end to the Blue Coupler 23 b Connect one end of the Red Hose 17 to the Red LP Hose Connector and the other end to the Red Coupler 22 c Connect one end of the Yellow Hose 18 to the Yellow Charge Hose Connector 16 and the other end to the refrigerant recovery system vacuum pump 3 ATTACH COUPLERS a Attach the Blue Coupler 23 to the suction LP port on the A C system b Attach the Red Coupler 22 to the discharge HP port on the A C system 4 PERFORM RECOVERY EVACUATION a Turn on the refrigerant recovery system vacuum pump b Open both Coupler Valves 22 23 by turning CW and both Manifold Valves 11 turning them
8. OSES a Connect one end of the Blue Hose 19 to the Blue LP Hose Connector and the other end to the Blue Coupler 23 b Connect one end of the Red Hose 17 to the Red LP Hose Connector and the other end to the Red Coupler 22 c Connect one end of the Yellow Hose 18 to the Yellow Charge Hose Connector 16 and the other end to the Charge Valve on that Connector 3 ATTACH COUPLERS a Attach the Blue Coupler 23 to the suction LP port on the A C system b Attach the Red Coupler 22 to the discharge HP port on the A C system 4 PERFORM CHECK a To do a dynamic check Turn on the vehicle and allow it to reach normal operating temperature Then turn on the A C system b Open both Coupler Valves 22 23 by turning CW c Read the pressure on both of the Gauges 3 5 and compare to the manufacturer s recommended readings Page 6 To suction LP port For technical questions please call 1 800 444 3353 5 AFTER a Close both Coupler Valves 22 23 by turning CCW b Turn off the vehicle and the A C system if dynamic check was done c Carefully disconnect the Couplers 22 23 the hoses may contain residual refrigerant Pull back the knurled ring on each Coupler 22 23 and store it on its Coupler Storage Plug 7 amp 6 To discharge HP port Item 92649 AWARNING To prevent SERIOUS INJURY and DEATH 1 Wear ANSI approved safety goggles
9. Owner s Manual amp Safety Instructions Save This Manual Keep this manual for the safety warnings and precautions assembly operating inspection maintenance and cleaning procedures Write the product s serial number in the back of the manual near the assembly diagram or month and year of purchase if product has no number Keep this manual and the receipt in a safe and dry place for future reference P T TTSB URG H ITEM 92649 A C Manifold Gauge Set To prevent explosion serious injury and death e Service of air conditioning systems must be done only by trained and experienced technician to avoid overfilling e 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 For additional information regarding ozone depletion and air conditioning service regulations visit EPA s website www epa gov ozone Visit our website at http www harborfreight com REV 13a Email our technical support at tech harborfreight com When unpacking make sure that the product is intact and undamaged If any parts are missing or broken AWARNING please call 1 800 444 3353 as soon as possible Copyright 2004 by Harbor Freight Tools All rights reserved l No portion of this manual or any artwork contained herein may be reproduced in Read this material before using this product
10. R 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 IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO Record Serial Number Here Note If product has no serial number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts PITTSBURGH Item 92649 For technical questions please call 1 800 444 3353 Page 11 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 This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or accidents repairs o
11. f the system may cause the refrigerant can to explode Note Throughout this manual Manifold Valve 11 operation HP means High pressure LP means Low pressure Gn close CW means Clockwise CCW means Counterclockwise es a open Note Procedures such as charging refrigerant through the HP side of the system and adding lubricant to the system are beyond the scope of this manual Note For additional information regarding the Coupler Valve 22 23 operation parts listed in the following pages refer to the Assembly Diagram near the end of this manual oy S close Cn open Item 92649 For technical questions please call 1 800 444 3353 Page 5 AWARNING To prevent SERIOUS INJURY and DEATH 1 Wear ANSI approved safety goggles and heavy duty work gloves during setup and use DO NOT OPEN either Manifold Valve unless directed to do so otherwise refrigerant leaks A C system contamination and hazardous expulsion of Use in well ventilated area only Keep gauge and hoses away from moving engine parts Turn off vehicle s engine and A C system before attaching gauge The following procedure is to be performed only by a technician certified in refrigerant recovery and recycling procedures as explained previously pressurized refrigerant may occur Diagnostic Check 1 Close both Manifold Valves 11 by turning CW Close both Coupler Valves 22 23 by turning CCW 2 CONNECT H
12. ing and balance at all times Maintain gauge with care Keep the A C Manifold Gauge Set clean for better and safer performance Inspect hoses periodically and if damaged have them repaired by a qualified technician 8 For technical questions please call 1 800 444 3353 WARNING Read all safety warnings and instructions Failure to follow the warnings and instructions may result in serious injury Save all warnings and instructions for future reference Stay alert Watch what you are doing use common sense Do not operate gauge when you are tired Check for damaged parts Before using any gauge any part that appears damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment and binding of moving parts any broken parts or mounting fixtures and any other condition that may affect proper operation Any part that is damaged should be properly repaired or replaced by a qualified technician Replacement parts and accessories When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for use with this gauge Approved accessories are available from Harbor Freight Tools Do not operate gauge if under the influence of alcohol or drugs Read warning labels if taking prescription medicine to determine if your judgment or reflexes are impaired while taking drugs If there is a
13. nd the other end to the Red Coupler 22 Connect one end of the Yellow Hose 18 to the Yellow Charge Hose Connector 16 and the other end to refrigerant supply KEEP THE CAN CYLINDER UPRIGHT Attach the Blue Coupler 23 to the suction LP port on the A C system discharge HP port on the A C system Use in well ventilated area only Keep gauge and hoses away from moving engine parts Turn off vehicle s engine and A C system before attaching gauge The following procedure is to be performed only by a technician certified in refrigerant recovery and recycling procedures as explained previously 5 AFTER a After charging manufacturer recommended amount of R 134a close both Coupler Valves 22 23 by turning CCW b Turn off the vehicle and the A C system c Carefully disconnect the Couplers 22 23 from the A C system the hoses may contain residual refrigerant Pull back the knurled ring on each Coupler 22 23 and store it on its Coupler Storage Plug 7 amp 6 TURN VALVES AS SHOWN ONLY AFTER MAKING ALL CONNECTIONS PERFORM CHARGING a Turn on the vehicle and allow it to come up to normal operating temperature Then turn on the A C system b Open the Blue Coupler Valve 23 only by turning CW and Blue Manifold Valve 11 turning it CCW To R 134a suction refrigerant discharge LP port supply HP port Page 8 For technical questions please call 1 800 444 3353
14. ny doubt do not operate the gauge Maintenance For your safety service and maintenance should be performed regularly by a qualified technician Industrial applications must follow OSHA requirements Item 92649 14 15 16 17 18 19 Item 92649 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 WARNING The brass components of this product contain lead a chemical known to the State of California to cause birth defects or other reproductive harm California Health amp Safety Code 25249 5 et seq The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be understood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator ONLY USE REFRIGERANT R 134a WITH THIS A C MANIFOLD GAUGE SET Do not start an engine in an enclosed area like a garage Arunning gasoline engine generates carbon monoxide carbon monoxide is a colorless odorless gas that can cause serious injury and death if inhaled
15. r alterations outside our facilities criminal activity improper installation normal wear and tear or to lack of maintenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchandise If our inspection verifies the defect we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement We will return repaired products at our expense but if we determine there is no defect or that the defect resulted from causes not within the scope of our warranty then you must bear the cost of returning the product This warranty gives you specific legal rights and you may also have other rights which vary from state to state PITTSBURGH 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 444 3353
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