Lincoln Electric PRO-CUT IM665 manual

PRO-CUT TM 25 OPERA TOR’S MANUAL IM665 January, 2001 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 WITHOUT READING THIS MANU[...]

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. ________________________________________________[...]

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[...]

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[...]

iv SAFETY iv PRÉCA UTIONS 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 circuits [...]

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 par[...]

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

A-1 INST ALLA TION A-1 W eight Including T orch Cab le 35 lbs. 15.9 kg. INPUT - SINGLE PHASE / 60 HER TZ ONL Y RA TED OUTPUT OUTPUT RECOMMEND INPUT WIRE AND FUSE SIZES REQUIRED GAS FLO W RA TE REQUIRED GAS INLET PRESSURE PHYSICAL DIMENSIONS TECHNICAL SPECIFICA TIONS - PR O-CUT 25 (K1756-1) Standar d V olta ge Duty Cyc le 20% on 115 V 60% on 115 V 1[...]

A-2 INST ALLA TION PRO-CUT 25 A-2 Read entire Installation Section before installing the PRO-CUT 25. SAFETY PRECA UTIONS ELECTRIC SHOCK CAN KILL. • Only qualified personnel should install this machine. • Turn the input power OFF at the disconnect switch or fuse box and discharge input capacitors before working inside the equipment. • Do not t[...]

A-3 INST ALLA TION PRO-CUT 25 A-3 securely. WARNING: Failure to wire as instructed may cause personal injury or damage to equipment. To be installed or checked by an electrician or quali - fied person only. Use of normal 20 amp household breakers may result in over current trips. If breaker trips occur, reduce the cutting current output until nui- [...]

A-4 INST ALLA TION PRO-CUT 25 A-4 NOTE: When using nitrogen gas from a cylinder, the cylinder must have a pressure regulator. • Maximum psi from a nitrogen gas cylinder to the PRO-CUT 25 regulator should never exceed 150 psi. • Install a hose between the nitrogen gas cylinder regulator and the PRO-CUT 25 gas inlet . CYLINDER could explode if da[...]

B-1 OPERA TION PRO-CUT 25 B-1 SAFETY PRECA UTIONS DESCRIPTION The PRO-CUT 25 is a constant current, continuous control plasma cutting power source. It provides supe- rior and reliable starting characteristics, cutting visibili- ty and arc stability. The control system has a safety mechanism to insure that the nozzle and electrode are in place befor[...]

B-2 OPERA TION B-2 USER RESPONSIBILITY Because design, fabrication, erection and cutting vari- ables affect the results obtained in applying this type of information, the serviceability of a product or struc- ture is the responsibility of the user. Variation such as plate chemistry, plate surface condition (oil, scale), plate thickness, preheat, qu[...]

B-3 OPERA TION B-3 CUTTING CAP ABILITY The PRO-CUT 25 is rated at 25 amps, at 35% duty cycle on a 10 minute basis. If the duty cycle is exceeded, a thermal protector will shut off the output of the machine until it cools to the normal operating temperature. Figure B.1 shows the cut capacity of the PRO-CUT 25 when cutting mild steel. (The graph plot[...]

LIMIT A TIONS Do not exceed output current and duty cycle rating of machine. Do not use the PRO-CUT 25 for pipe thaw- ing. CONTR OLS AND SETTINGS When preparing to cut, position the machine as close to the work as possible. Make sure you have all materials needed to complete the job and have taken all safety precautions. It is important to follow t[...]

Direction of Travel 5 ° - 15 ° 10 ° - 20 ° Arc Lag Leading Angle B-5 OPERA TION B-5 • Use a 5 ° - 15 ° leading angle in the direction of the cut. • Finish the cut to be made and release the trigger. • When the trigger is released, the arc will stop. - The gas will continue to flow for 10 seconds of postflow. If the trigger is activated [...]

B-6 OPERA TION B-6 PR OCEDURE RECOMMEND A TIONS When properly used, plasma arc cutting is a very eco- nomical process. Improper use will result in a very high operating cost. General - In All Cases • Follow safety precautions as printed throughout this operating manual and on the machine. • If piercing is required, slowly lower the torch at an [...]

C-1 A CCESSORIES C-1 AL WA YS USE GENUINE LINCOLN ELECTRIC ELECTR ODES AND V OR TECH ™ NOZZLES • Only Genuine Lincoln Electric consumables yield the best cutting performance for the PRO-CUT 25. • The patented VORTECH ™ nozzle provides an extra “ kick ” of swirl as the arc exits the nozzle which improves cutting performance. No other noz[...]

D-1 MAINTENANCE D-1 PRO-CUT 25 THERMAL PRO TECTION Thermal Detection Devices protect the machine from excessive operating temperatures. Excessive temper- atures may be caused by a lack of cooling air or oper- ating the machine beyond the duty cycle and output rating. If excessive operating temperatures should occur, the yellow thermal LED will ligh[...]

E-1 TR OUBLESHOO TING E-1 PRO-CUT 25 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. CA UTION This Troubleshooting Guide is provided to help you locate and repair po[...]

E-2 TR OUBLESHOO TING E-2 PRO-CUT 25 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. CA UTION PROBLEMS [...]

E-3 TR OUBLESHOO TING E-3 PRO-CUT 25 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. CA UTION PROBLEMS [...]

E-4 TR OUBLESHOO TING E-4 PRO-CUT 25 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. CA UTION PROBLEMS [...]

E-5 TR OUBLESHOO TING E-5 PRO-CUT 25 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. CA UTION PROBLEMS [...]

E-6 TR OUBLESHOO TING E-6 PRO-CUT 25 Observe all Safety Guidelines detailed throughout this manual ST A TUS BO ARD INDICA T ORS SYMPT OM The Air Low LED is lit The Safety LED is lit and steady The Thermal LED is lit CHECK 1. Make sure there is at least 80 psi connected to the gas connec- tion at the back of the machine. 2. Press the Purge button an[...]

F-1 DIA GRAMS F-1 PRO-CUT 25 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 code number.[...]

W ARNING A VISO DE PRECA UCION 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 [...]

W ARNING A VISO DE PRECA UCION 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 P ARTES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR. ● Keep your head out of fumes. ● Use ventilation or exhaust to remove fumes[...]

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