Lincoln Electric R3R 375-I - Manuals

Lincoln Electric R3R 375-I – Manual in PDF format online.

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Manual

Manual Lincoln Electric R3R 375-I

Summary

Page 2 - SAFETY; WARNING; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines

i SAFETY i FOR ENGINEpowered 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 fume...

Page 3 - ii; ELECTRIC SHOCK can kill.

ii SAFETY ii ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks andthe rays of the arc when welding or observingopen arc welding. Headshield and filter lensshould conform to ANSI Z87. I standards. 4.b. Use suitable clothing made from durable...

Page 4 - iii; Refer to

iii SAFETY iii IDEALARC® R3R 375-I, 500-I AND 600-I FOR ELECTRICALLYpowered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working onthe equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufactur...

Page 5 - iv; PRÉCAUTIONS DE SÛRETÉ

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 contr...

Page 6 - Thank You; Please Examine Carton and Equipment For Damage Immediately

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...

Page 7 - TABLE OF CONTENTS; Parts Lists

vi TABLE OF CONTENTS IDEALARC® R3R 375-I, 500-I AND 600-I vi Page Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section A Input Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 8 - INSTALLATION; INPUT POWER CONNECTION; CAUTION

A-1 INSTALLATION IDEALARC® R3R 375-I, 500-I AND 600-I A-1 INSTALLATION FALLING EQUIPMENT can causeinjury. • Do not lift this machine using lift bail if it is equipped with a heavy • accessory such as trailer or gas cylinder. • Lift only with equipment of adequate lifting capacity. • Be sure machine ...

Page 9 - OPERATION

B-1 OPERATION B-1 OPERATION ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wet cloth-ing. • Insulate yourself from work and ground. • Always wear dry insulating gloves. FUMES AND GASES can be danger-ous. • Keep your head out of fumes. • Use ventilation or e...

Page 11 - ACCESSORIES; OPTIONAL EQUIPMENT; K857 – REMOTE CURRENT CONTROL

C-1 ACCESSORIES C-1 OPTIONAL EQUIPMENT K857 – REMOTE CURRENT CONTROL The K857 consists of a control box with 8.5 m (28 ft) offour conductor cable and a 6 pin Amphenol for easyconnection to the front of the power source. The K857 will give the same control as the current con-trol on the machine depen...

Page 12 - MAINTENANCE; ROUTINE MAINTENANCE; POCKET AMPTROL

D-1 MAINTENANCE D-1 ELECTRIC SHOCK can kill. • Have an electrician install and ser- vice this equipment. • Turn the input power off at the fuse box before working on equipment. • Do not touch electrically hot parts. ROUTINE MAINTENANCE 1. The fan motor has sealed bearings which require no service. 2...

Page 13 - TROUBLESHOOTING; HOW TO USE TROUBLESHOOTING GUIDE; • Turn the input power off at the fuse box before

E-1 TROUBLESHOOTING E-1 IDEALARC® R3R 375-I, 500-I AND 600-I If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your LocalLincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed. CAUTION...

Page 14 - FUNCTION PROBLEMS

E-2 TROUBLESHOOTING E-2 IDEALARC® R3R 375-I, 500-I AND 600-I Observe all Safety Guidelines detailed througout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your LocalLincoln Authorized Field Service Facility for tec...

Page 20 - F. CHECKING SNUBBER CIRCUIT

E-8 TROUBLESHOOTING E-8 TROUBLESHOOTINGPROCEDURES A. PROCEDURE FOR REPLACING PC BOARDS When a PC board is to be replaced, the followingprocedure must be followed: 1. Visually inspect PC board in question. Are any of the components damaged? Is a conductor onthe back side of the board damaged? a. If t...

Page 21 - G. CHECKING CURRENT CONTROL

E-9 TROUBLESHOOTING E-9 (high resistance value). This indicates that thecapacitor in the snubber circuit is taking acharge. 3. If the needle stays to the right, the capacitor is shorted and the assembly is defective. 4. If the needle does not move, the capacitor is open and the assembly is defective...

Page 22 - TIFIER TEST; DIAGRAM 1

E-10 TROUBLESHOOTING E-10 2. POWER DIODE TEST a. Establish the polarity of the ohmmeter leads and set to X10 scale. b. Connect the ohmmeter positive lead to anode and negative lead to the cathode. c. Reverse the leads of the ohmmeter from Step b. d. A shorted diode will indicate zero or an equal- ly...

Page 23 - WIRING DIAGRAMS

F-1 WIRING DIAGRAMS F-1 IDEALARC® R3R 375-I, 500-I AND 600-I 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. ELECTRICAL SYMBOLS PER E1537 ...