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Lincoln Electric PRO-CUT 125, Operator'S Manual

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Lincoln Electric PRO-CUT 125 Operator'S Manual Download Page 30

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REGULATOR AND FILTER ASSEMBLY

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IN

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Parts List P-184-E

1

Filter/Regulator Asbly

M16480

1

*

Filter Element (.50 ID x 1.14” Long)

M16480-B

1

*

Panel Mounting Nut

M16480-C

1

2

Oil/Coalescing Filter

S19865

1

*

Filter Element (.45 ID x 1.16” Long)

S18637-2

1

*

Filter Element (.56 ID x 1.42” Long)

S19865-A

1

3

Hex Nipple

T11289-1

1

4

Male Elbow

S18451-2

1

6

Hole Plug

T12250-1

1

8

Panel Mounting Nut

M16480-C

1

9

1/8 NPT Allen Head Plug

M16480-D

1

10

Pipe Plug

S10780-4

1

Part                 No.

Item                Description                          No.              Req’d.

7-2-91

9-6-93

S18669-1

5-28-93B

Summary of Contents for PRO-CUT 125

Page 1: ...can be increased by proper installation and thought ful operation on your part DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHO...

Page 2: ...er or metal ELECTRIC SHOCK can kill 1 a The electrode and work or ground circuits are electrically hot when the power source is on Do not touch these hot parts with your bare skin or wet clothing Wear...

Page 3: ...ocalized Electric and Magnetic Fields EMF Cutting or gouging current creates EMF fields around torch cables and cutting machines 8 b EMF fields may interfere with some pacemakers so opera tors having...

Page 4: ...et non inflammables 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 pan talon...

Page 5: ...Instructions 11 14 Sequence of events 11 Pilot Arc Discussion 12 Procedure Recommendations 12 General 12 Material Thickness below 75 19mm 12 Expanded Metal 13 Material Thickness above 75 19mm 13 Goug...

Page 6: ...e the information must 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 pa...

Page 7: ...um OCV 10 High Input 357 Normal OCV 325 Input Power Standard Voltages 230 460 3 50 60 220 380 440 3 50 60 575 3 60 Current 101 49 60 102 59 51 60 40 60 95 44 80 87 54 45 80 33 80 88 40 100 81 49 42 10...

Page 8: ...if the pilot arc is initialized Special control circuitry detects when the nozzle is touched to the workpiece If the nozzle is touched to the workpiece the machine output is instantaneously reduced w...

Page 9: ...tions could result in excessive operating temperatures or damage to the torch HIGH FREQUENCY INTERFERENCE PROTECTION The PRO CUT employs a solid state high frequency torch starting circuit which drast...

Page 10: ...lines enter the machine next to the removable panel 10 Have a qualified electrician connect the input leads to U V and W of the reconnect panel in accordance with the U S National Electrical Code all...

Page 11: ...ol lowing 1 Unplug the machine or turn the power switch to the Off position 2 Insert the work cable terminal lug with the larger hole through the strain relief hole in the work clamp as shown below 3...

Page 12: ...iscussion The PRO CUT has a smooth continuous pilot arc The pilot arc is only a means of transferring the arc to the workpiece for cutting Repeated pilot arc starts in rapid succession are not recomme...

Page 13: ...m standoff in those situations Set the current to the minimum necessary to make the cut Pierce the plate by slowly lowering the torch onto it at an angle of about 30 to blow the dross away from the to...

Page 14: ...e of operation with a 50 ft 15 2 m plasma torch Pilot arc operation may be slightly degraded with this torch installed Sputtering may occur after the pilot arc is established and occasionally the pilo...

Page 15: ...s Change consumables as required TROUBLESHOOTING PROCEDURES HOW TO USE THIS GUIDE Carefully read through each applicable section listed on the following pages Remember that most problems are caused by...

Page 16: ...achine will not start 3 Check the operation of the air solenoid by switching the machine to PURGE If the pressure is sufficient the air should begin to flow and the AIR PRESSURE LED should turn on Ret...

Page 17: ...of water If there is oil or a great deal of water the air must be filtered or the machine switched to nitrogen or bottled air 3 Check air pressure It should be set to 60 psi 414 kPa while air is flowi...

Page 18: ...off when you try to cut again and there is no problem with the torch then something has failed in the machine and the machine should not be left on 4a Check electrode to pilot for short 4b Check the S...

Page 19: ...ED should go out 7 This circuit rarely trips on power up or because of noise If the circuit can be reset it is OK to continue operation 8 Replace Control PC board as this is a safety problem The OUTPU...

Page 20: ...and if Check torch cable to see if it is punctured it can fire the SCR s or cut Light blinking If cutting tried with air No air connected to machine air pressure pressure less than 45 psi 311 kPa then...

Page 21: ...chine will be While cutting or gouging if the voltage functional This occurs most often when the between the nozzle and the work is too consumables are wearing out By removing high it will put the mac...

Page 22: ...possibly subjecting the new PC board to the same cause of failure check for possible shorts opens or grounds caused by 1 Frayed or pinched lead insulation 2 Poor lead termination such as a poor contac...

Page 23: ...23 NOTES...

Page 24: ...24 PCT 125 AMP PLASMA TORCH 2 10 92 Parts List P 210 C 1 7 6 12 5 9 4 11 13 10 2 2 3...

Page 25: ...067 1 7mm Orifice S19961 3 1 Cutting 075 1 9mm Orifice S19961 4 1 Gouging 118 3 0mm Orifice S19961 5 1 6 Shield Cup Asbly S19964 1 7 Trigger Asbly S18932 1 9 Swirl Ring S19963 1 10 Standoff Guide S19...

Page 26: ...26 GENERAL ASSEMBLY PRO CUT 125 THREE PHASE Parts List P 207 C Drop in photos from P 207 C parts page...

Page 27: ...Screw S8025 65 3 18 Choke Left Wheel Well Asbly L8381 1 Choke Asbly M16389 1 Left Wheel Well L8431 1 1 Thread Forming Screw S9225 8 2 Self Tapping Screw S8025 65 3 Part No Item Description No Req d 1...

Page 28: ...ludes M15585 1 Fan Baffle L7666 1 Fan Blade M8678 2 1 Fan Motor M8895 5 1 Fan Mounting M14064 1 Self Tapping Screw S8025 70 4 Self Tapping Screw S8025 65 4 3 Grommet S10255 12 1 4 Rear Nameplate S1984...

Page 29: ...5 1 0 7 8 9 1 Hose Nipple Male T14557 11 1 2 Solenoid S18127 4 1 3 Pipe Tee T10366 1 4 Pressure Switch S18638 1 1 5 PC Board Plug S14156 1 1 8 Hex Nipple T11289 3 1 9 Male Run Tee S19932 1 1 10 Solen...

Page 30: ...Nut M16480 C 1 2 Oil Coalescing Filter S19865 1 Filter Element 45 ID x 1 16 Long S18637 2 1 Filter Element 56 ID x 1 42 Long S19865 A 1 3 Hex Nipple T11289 1 1 4 Male Elbow S18451 2 1 6 Hole Plug T12...

Page 31: ...S8025 84 4 5 SCR PC Board Asbly Includes L8321 1 SCR PC Board G2220 1 1 6 Contactor M12161 68 1 Self Tapping Screw S8025 65 3 7 Contactor M12161 33 1 Self Tapping Screw S8025 65 3 17 Auxiliary Transfo...

Page 32: ...ems Screw T10082 8 1 Hex Nut Brass 10 24 1 Wing Nut T9968 4 1 6 Carriage Bolt T11827 23 2 Hex Nut 1 4 20 4 10 Coiler Asbly Includes S19689 1 Hi Freq Choke Coil S19688 1 12 Mounting Bracket M15609 1 Se...

Page 33: ...PC Board Asbly M16301 1 1 Self Tapping Screw S8025 71 4 4 Reset Button S2 T15089 1 5 Run Purge Switch S2 T10800 13 1 6 Potentiometer R1 T10812 40 1 7 Spacer S18280 1 8 Knob T10491 1 9 Line Switch Asse...

Page 34: ...CONNECT PANEL 1 14 94B FOR 575 VOLTS 3 REMOVE HEX NUTS AND POSITION LINKS AS SHOWN REPLACE AND TIGHTEN ALL HEX NUTS NOTE MACHINES ARE SHIPPED FROM FACTORY CONNECTED THE LINCOLN ELECTRIC CO CLEVELAND O...

Page 35: ...E X C O N N E C T O R S C O R D G R I P C O N N E C T O R L O C K N U T 3 C O N N E C T P I L O T L E A D M A C H I N E P O W E R S W I T C H O F F 1 D I S C O N N E C T I N P U T P O W E R T O T H E...

Page 36: ...U V W T1 T2 T3 T2 T3 U V W TO PRIMARY COILS CONNECTOR CAVITY NUMBERING SEQUENCE VIEWED FROM COMPONENT SIDE OF BOARD N A NOZZLE PILOT LEAD AT THE TORCH 607 31 B B B R R R 72 J12 J18 J17 4 1 4 3 6 2 5 J...

Page 37: ...ulletin ED 80 or call 216 383 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...

Page 38: ...ch 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...

Page 39: ...ute 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 menta...

Page 40: ...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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