Red-D-Arc PM 255 Operator'S Manual Download Page 8 | Manualshive

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MASTER TABLE OF CONTENTS FOR ALL SECTIONS (cont.)

Page

Maintenance ....................................................................................................Section D

Safety Precautions ................................................................................................D-1
General Maintenance ............................................................................................D-1
Drive Rolls and guide Tubes .................................................................................D-1
Contact Tip and Gas Nozzle Installation ...............................................................D-1
Gun Tubes and Nozzles ........................................................................................D-1
Cable Cleaning ......................................................................................................D-1
Liner Removal and Replacement ..........................................................................D-2
Gun Handle Disassembly ......................................................................................D-2
Accessories and Expendable Replacement Parts................................................D-3

Troubleshooting ..............................................................................................Section E

How to Use Troubleshooting Guide.......................................................................E-1
Troubleshooting Guide ............................................................................E-2 thru E-4

Wiring and Dimension

Diagrams ......................................................................Section F

Parts Manual ....................................................................................................Appendix

PM 255 ...................................................................................................P382 Series
Magnum 250L Gun .....................................................................................P202-H.2

PM 255

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Summary of Contents for PM 255

Page 1: ...wever your overall safety can be increased by proper installation and thoughtful operation on your part DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECA...

Page 2: ...ARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy of Saf...

Page 3: ...earth ground 3 f Maintain the electrode holder work clamp welding cable and welding machine in good safe operating condition Replace damaged insulation 3 g Never dip the electrode in water for coolin...

Page 4: ...the welding sparks from starting a fire Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas Avoid welding near hydraulic line...

Page 5: ...et non inflamma bles 4 Des gouttes de laitier en fusion sont mises de l arc de soudage Se prot ger avec des v tements de protection libres de l huile tels que les gants en cuir chemise paisse pantalo...

Page 6: ...be followed to avoid minor personal injury or damage to this equipment CAUTION Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped title passes to the purchaser u...

Page 7: ...ools B 3 To Start the Welder B 3 Feeding Wire Electrode B 4 Idle Roll Pressure Setting B 4 Setting Run in Speed B 4 Making a Weld B 5 Avoiding Wire Feeding Problems B 5 Fan Control B 6 Input Line Volt...

Page 8: ...le Installation D 1 Gun Tubes and Nozzles D 1 Cable Cleaning D 1 Liner Removal and Replacement D 2 Gun Handle Disassembly D 2 Accessories and Expendable Replacement Parts D 3 Troubleshooting Section E...

Page 9: ...PUT SINGLE PHASE ONLY RATED OUTPUT OUTPUT RECOMMENDED INPUT WIRE AND FUSE SIZES Height Width Depth Weight 31 79 in 18 88 in 38 78 in 220 Ibs 808 mm 480 mm 985 mm 100 kg PHYSICAL DIMENSIONS Wire Speed...

Page 10: ...n kill Only qualified personnel should perform this installation Only personnel that have read and under stood the PM 255 Operating Manual should install and operate this equipment Machine must be gro...

Page 11: ...g runs over 100 feet larger copper wires should be used Fuse the two hot lines with super lag type fuses as shown in the following diagram The center contact in the receptacle is for the grounding con...

Page 12: ...e welder as shipped from the factory is connected for electrode positive polarity This is the normal polarity for GMA welding If negative polarity is required interchange the connection of the two cab...

Page 13: ...GREASE OR DAMAGE IS PRESENT Inform your gas supplier of this condition Oil or grease in the presence of high pressure oxygen is explosive 3 Stand to one side away from the outlet and open the cylinde...

Page 14: ...ground Always wear dry insulating gloves FUMES AND GASES can be dangerous Keep your head out of fumes Use ventilation or exhaust to remove fumes from breathing zone WELDING SPARKS can cause fire or e...

Page 15: ...rated 12 ft 3 6 m GMAW gun and cable assembly equipped for these wire sizes Use of GMAW processes requires a supply of shielding gas WELDING CAPABILITY The PM 255 is rated at 250 amps 26 volts at a 40...

Page 16: ...tion when feed ing so as to be de reeled from top of the coil 7 Set one of the Readi Reel inside cage wires on the slot in the retain ing spring tab 8 Lower the Readi Reel to depress the retaining spr...

Page 17: ...tput and press the gun trigger for several seconds 2 If the wire birdnests jams or breaks at the drive roll the idle roll pressure is too great Back the adjustment knob out 1 2 turn run new wire throu...

Page 18: ...ow rate typically 25 35 CFH 12 16 liters min 6 When using Innershield electrode the gas nozzle may be removed from the insulation on the end of the gun and replaced with the gasless nozzle This will g...

Page 19: ...r proper size tip liner and drive rolls for any obstructions or bends in the gun cable and any other factors that would impede the wire feeding to resume welding simply pull the trig ger There is no c...

Page 20: ...ps 40 duty and is equipped with the integrated con nector twist lock trigger connector fixed nozzle and insulator and includes a liner diffuser and contact tips for the wire sizes specified MAGNUM GUN...

Page 21: ...to hold thin sheet metal together prior to manual stitch or con tinuous welding To use this feature adjust the On Time 0 5 seconds as appropriate to obtain the desired results Closing the trigger init...

Page 22: ...be ready to use Closing either gun trigger will cause the electrode of both guns to be electrically HOT Be sure unused gun is positioned so electrode or tip will not contact metal case or other metal...

Page 23: ...ed prob lems are experienced try liner replacement and refer to trouble shooting section on rough wire feeding SAFETY PRECAUTIONS ELECTRIC SHOCK can kill Have an electrician install and service this e...

Page 24: ...t be installed in another gun unless it can meet the liner cutoff length requirement Liners are shipped with the jacket of the liner extended the proper amount 1 Remove the gas nozzle and nozzle insul...

Page 25: ...2 mm Alum Wire Alum Wire GAS NOZZLES Fixed Flush M16081 1 3 8 9 5 mm M16081 2 1 2 12 7 mm M16081 3 5 8 15 9 mm Fixed Recessed M16080 1 3 8 9 5 mm M16080 2 1 2 12 7 mm M16080 3 5 8 15 9 mm Requires Gas...

Page 26: ...ed POSSIBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause...

Page 27: ...reconnect panel configu ration 1 Remove gun assembly from machine If problem is solved gun assembly is faulty Repair or replace 2 If problem persists when gun assembly is removed from machine then th...

Page 28: ...sed and pulled again the wire feed starts POSSIBLE AREAS OF MISADJUSTMENT S 1 The gun cable may be kinked or twisted 2 The wire may be jammed in the gun cable or gun cable may be dirty 3 Check drive r...

Page 29: ...n trigger is pulled the problem is within the PM 255 5 Make sure the gun is pushed all the way into gun mount and is properly seated RECOMMENDED COURSE OF ACTION If all recommended possible areas of m...

Page 30: ...4 C3 C2 C1 X2 X3 R4 INDICATES CONNECTOR CAVITY NO U BLUE R RED W WHITE B BLACK SECONDARY VOLTAGES SHOWN ARE NO LOAD RMS VALUES OUTPUT CHOKE THERMOSTAT B 206S L1 H2 H5 5 R H4 H1 4 2 1 3 H1 LINE SWITCH...

Page 31: ...F 2 F 2 DIMENSION PRINT 3 00F M19231 PM 255...

Page 32: ...NOTES PM 255...

Page 33: ...NOTES PM 255...

Page 34: ...NOTES PM 255...

Page 35: ...383 2259 and ask for the Welding School Registrar Lincoln Welding School BASIC COURSE 700 00 5 weeks of fundamentals There is a 10 discount on all orders of 50 00 or more for shipment at one time to...

Page 36: ...electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da Aislese del trabajo y...

Page 37: ...e Be und Entl ftung des Arbeitsplatzes Mantenha seu rosto da fuma a Use ventila o e exhaust o para remover fumo da zona respirat ria Turn power off before servicing Desconectar el cable de ali mentaci...

Page 38: ...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 Pr...

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