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Lincoln Electric IM723-A manual

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Table of contents for the manual

  • Page 1

    R IP 21S NTRL/C UNDER-COOLER CAR T OPERA TOR’S MANUAL IM723-A January, 2004 Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind. However, your overall safety can be increased by proper installation ... and thought- ful operation on your part. DO NOT INSTALL, OPERATE OR REPAIR THIS EQUIPMENT WI[...]

  • Page 2

    FOR ENGINE powered equipment. 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors. ________________________________________________[...]

  • Page 3

    ii SAFETY ii ARC RA YS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Headshield and filter lens should conform to ANSI Z87. I standards. 4.b. Use suitable clothing made from durable flame-resistant material to protect your skin[...]

  • Page 4

    FOR ELECTRICALL Y powered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’s recommendations. 8.c. Ground the equipment in accordance with the U.S. National Electrical C[...]

  • Page 5

    iv SAFETY iv Mar. ‘93 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L’Arc 1. Protegez-vous contre la secousse électrique: a. Les[...]

  • Page 6

    v v Thank You for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product ••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment. Save this manual and keep it handy for quick reference. Pay[...]

  • Page 7

    vi T ABLE OF CONTENTS Page Installation ................................................................................................................... ....Section A Technical Specifications .......................................................................................................A-1 Safety Precautions. ............................[...]

  • Page 8

    A-1 INST ALLA TION UNDER-COOLER CART A-1 TECHNICAL SPECIFICA TIONS – UNDER- W A TER COOLER Model / Make Under-Cooler Cart K1828-1 Input 100-120 VAC 50/60 Hz 1 Phase Rated Current Draw 60 Hz (2.8-3.5 Amps) 50 Hz (3.5-5.3 Amps) Operating Pressure 60 psig (413 kPa) (4.1 bar) Pump Hydraulic Rating No Flow Discharge Pressure (gage) (Relief Valve Setti[...]

  • Page 9

    SAFETY PRECAUTIONS: ELECTRIC SHOCK Can Kill • Only qualified persons should per- form this installation. HOT COOLANT CAN BURN SKIN • Always be sure coolant is not hot before doing any work on cooler parts. ROT A TING F AN BLADES ARE HAZARDOUS • Do not put your hands near an oper- ating fan. • Keep all equipment safety guards, covers and dev[...]

  • Page 10

    A-3 INST ALLA TION UNDER-COOLER CART A-3 NOTE: D O NOT ADD MORE THAN 2 GALLONS (7.6 LITERS) OF COOLANT INTO THE RESER- VOIR. The fill cap contains a pressure release air hole, which must not be blocked by overfilling the reservoir with coolant. ------------------------------------------------------------------------ Be certain to replace the reserv[...]

  • Page 11

    A-4 INST ALLA TION UNDER-COOLER CART A-4 INPUT POWER CONNECTION Plug the input power cord on the Under-Cooler cart into the standard bottom 115V NEMA circuit breaker protected receptacle, located on the back of the Precision TIG machine. Using this receptacle is taking advantage of the "cooler as needed" circuit incorporat- ed into the TI[...]

  • Page 12

    A-5 INST ALLA TION UNDER-COOLER CART A-5 CONNECTION OF TIG TORCHES Installation of TIG torches to be used with this Precision TIG Under-Cooler cart is explained in the Precision TIG machine literature. The torch does not directly attach to the cooler but through a connection box mounted on the TIG machine. -1 2- -9- -4- -8- -1 0- -11 - -5- -6- -7- [...]

  • Page 13

    B-1 OPERA TION UNDER-COOLER CART B-1 SAFETY PRECAUTIONS GENERAL DESCRIPTION The Under-Cooler cart is an internal type, re-circula- tion cooling system designed for use with water- cooled TIG torches. The coolant "IN" and "OUT" con- nections are 5/8-18 left-hand female threads which match the standard connector nut of domestic wa[...]

  • Page 14

    B-2 OPERA TION B-2 TURNING THE SYSTEM "ON" After connecting the Precision Tig and Tig Torches per Installation Section, plug the unit into a 115V NEMA electrical receptacle for start-up operation. Be certain that the power input into the unit matches the Cooler's rated input. The following should always be observed when operating the[...]

  • Page 15

    D-1 MAINTENANCE D-1 PUMP The pump head has a "built in" strainer on the inlet side of the pump. It is recommended to clean or replace the pump’s inlet strainer at least annually as follows: • Drain the coolant reservoir and all coolant lines. Dispose of the coolant properly as specified above. • Hold the pump head firmly to apply a [...]

  • Page 16

    D-2 MAINTENANCE D-2 RESERVOIR COOLANT LEVEL The reservoir volume should be checked daily before using the cooler. Remove the reservoir fill cap and check the coolant level. The reservoir is full when the coolant level is just below the input elbow of the reser- voir (approximate. 2 Gal / 7.6 ltrs). Keep the reservoir full, especially after disconne[...]

  • Page 17

    D-3 MAINTENANCE D-3 Disinfect the cooling system: • Prepare the disinfectant: Make a quantity of only is needed to avoid an excess. • Bulk preparation (for coolers serviced in quantity): 2.325 gals. (8.775 liters) of pure, fresh water per cooler 1.625 ml of additive per cooler • Example: for 100 coolers, add 162.5 ml to 232.5 gals. of pure fr[...]

  • Page 18

    D-4 MAINTENANCE D-4 Service the pump’s inlet strainer: a. Place absorbent towels underneath pump head to prevent stray coolant from wetting cooler’s electrical components. b. Hold pump head to apply counter torque when loos- ening strainers 7/8 acorn nut. Do not confuse with 3/4 acorn nut. Remove nut and slide inlet strainer down and out from p[...]

  • Page 19

    E-1 TROUBLESHOOTING E-1 UNDER-COOLER CART If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed. CAUTION This Troubleshooting Guide is provided to help you locate and repai[...]

  • Page 20

    E-2 TROUBLESHOOTING E-2 UNDER-COOLER CART Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed. CAUTION PROBL[...]

  • Page 21

    F-1 WIRING DIAGRAM F-1 UNDER-COOLER CART NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment [...]

  • Page 22

    F-2 DIAGRAM F-2 UNDER-COOLER CART M19724 3 - 0 1 HEAT "IN" W ELDING TORCH OR GUN HEAT EXCHANGER FAN AIR FLOW PUMP COOLANT RESERVOIR K1828-1 U nder-Cooler Ca rt Wate r Cooler Flow Diagram COOLANT "OUT" COOLANT "IN"[...]

  • Page 23

    F-3 DIMENSION PRINT F-3 UNDER-COOLER CART M19757 B (27.16) (16.34) (22.25) (22.84) (20.94) (12.20) (40.96) (23.32) (19.94) (13.35) (20.94) NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. I[...]

  • Page 24

    NOTES UNDER-COOLER CART[...]

  • Page 25

    NOTES UNDER-COOLER CART[...]

  • Page 26

    NOTES UNDER-COOLER CART[...]

  • Page 27

    W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TEN ÇÃ O Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERST AND THE MANUF ACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES. SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL F ABRICANTE P ARA E[...]

  • Page 28

    W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TEN ÇÃ O Spanish French German Portuguese Japanese Chinese Korean Arabic LEIA E COMPREENDA AS INSTRUÇÕES DO F ABRICANTE P ARA ESTE EQUIP AMENTO E AS PAR TES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR. ● Keep your head out of fumes. ● Use ventilation or exhaust to remove fumes [...]

  • Page 29

    • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com • World's Leader in Welding and Cutting Products •[...]