Lincoln Electric RED-D-ARC IM648-B Скачать руководство пользователя

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E-4

TROUBLESHOOTING

E-4

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

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF

MISADJUSTMENTS(S)

RECOMMENDED

COURSE OF ACTION

When the trigger is pulled air begins
to flow, but there is no pilot arc after
at least 3 seconds.

The air begins to flow and there is a
very brief arc that snaps out consis-
tently with repeated trigger pulls.

The arc starts but sputters badly.

1. Check the torch consumables to be

sure they are not dirty or greasy,
and are in good shape. Replace
the consumables if necessary.

2. Make sure the air pressure is set

at 70 psi (75 psi for a 50 ft. torch).

3. Make sure there are no kinks or

restrictions for air flow in the torch
cable. Replace cable as needed.

4. If a slight thump cannot be felt in

the torch when the trigger is
pulled, check for loose connection
in the torch head and solenoid
assembly.

5. With machine turned off - input

power removed, and torch and
consumables connected - mea-
sure resistance on Output Power
board between B1 and B21. If
>10

, possible fault in torch and

cable assembly.

6. Possible fault in Output board.

1. Check the torch consumables to

be sure they are in tight, not dirty
or greasy and in good shape.
Replace if necessary.

2. Make sure the air pressure is set

at 70 psi.

3. Possible fault in Output Power board.

1. Check the torch consumables to

be sure they are in tight, not dirty
or greasy and in good shape.
Replace if necessary.

2. Check air supply for oil or a great

deal 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. Make sure the air pressure is set at 70 psi.

If all recommended possible areas of
misadjustment have been checked
and the problem persists,

Contact

your local Lincoln Authorized
Field Service Facility.

PYTHON

Содержание RED-D-ARC IM648-B

Страница 1: ...n mind However 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 PRECAUTIONS CONTAINED THROUGHOUT And most importantly think before you act and be careful For use with machines having Code Numbers 10627 10656 11025 11026 North America s Largest Fleet of Welding...

Страница 2: ... spatter 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 dry hole free gloves to insulate hands 1 b When the power source is operating voltages in excess of 250 volts are produced This creates the potential for serious electrical shock potentially ev...

Страница 3: ...ized Electric and Magnetic Fields EMF Cutting or gouging current cre ates EMF fields around torch cables and cutting machines 8 b EMF fields may interfere with some pacemakers so opera tors having a pacemaker should consult their physician before cutting or gouging 8 c Exposure to EMF fields during cutting or gouging may have other health effects which are now not known 8d All operators should use...

Страница 4: ...PYTHON iii NOTES iii ...

Страница 5: ... appropriés et non inflammables 4 Des gouttes de laitier en fusion sont émises de l arc de soudage Se protéger avec des vêtements de protection libres de l huile tels que les gants en cuir chemise épaisse pan talons sans revers et chaussures montantes 5 Toujours porter des lunettes de sécurité dans la zone de soudage Utiliser des lunettes avec écrans lateraux dans les zones où l on pique le laitie...

Страница 6: ...tion below for future reference This information can be found on your machine nameplate Product _________________________________________________________________________________ Model Number ___________________________________________________________________________ Code Number or Date Code_________________________________________________________________ Serial Number______________________________...

Страница 7: ...ons A 5 Output Connections A 5 Torch Connection A 5 Operation Section B Safety Precautions B 1 Description B 1 Preheat Temperature for Plasma Cutting B 1 User Responsibility B 2 Recommended Processes and Equipment B 2 Operational Features and Controls B 2 Design Features and Advantages B 2 Cutting Capability B 3 Consumable Life B 3 Limitations B 4 Controls and Settings B 4 Pilot Arc Discussion B 6...

Страница 8: ...tor Discharge Procedure D 1 Routine Maintenance D 2 Periodic Maintenance D 2 Troubleshooting Section E Safety Precautions E 1 How to Use Troubleshooting Guide E 1 Troubleshooting Guide E 2 Wiring Diagrams Section F Wiring Diagrams F 1 thru F 3 Dimension Print F 4 Parts List P342 Series P210 K ...

Страница 9: ... Output Model 208 230 460 87 81 48 50 60Hz INPUT RECOMMENDED INPUT WIRE AND FUSE SIZES Type 75 C Type 75 C Copper Fuse Copper Ground Superlag Wire in Wire in Input Voltage or Conduit Conduit and Breaker AWG IEC AWG IEC Frequency 1 Size Sizes Sizes 208 50 60 60 8 8 4mm2 8 8 4mm2 230 50 60 60 8 8 4mm2 8 8 4mm2 460 50 60 40 10 6mm2 10 6mm2 575 50 60 30 10 6mm2 10 6mm2 Type 75 C Type 75 C Copper Fuse ...

Страница 10: ...ING Either the front or rear handles or both may be used to lift or move the machine DO NOT use the pull handle on the optional undercar riage if installed to lift the machine This handle is not designed to support the full weight of the machine and using it to lift the machine could cause personal injury or damage to the machine TILTING The PYTHON must be placed on a stable level sur face so it w...

Страница 11: ...the line switch out of the case front 5 Angle the line switch so the nuts on the switch can be loosened 6 Remove the cord from the switch 7 Remove the nut lock washer plain washer and green lead off of the ground screw assembly 8 Loosen the cable connector on the case back 9 Pull the line cord out of the machine CORD INSTALLATION 1 Feed the new cord through the cable connector and into the machine...

Страница 12: ...e used on engine driven power supplies However the following AC Wave Form Voltage and Input Power Restrictions do apply AC Wave Form Restrictions The PYTHON can be operated on engine driven gen erators as long as the engine drive output meets the following conditions The AC wave form frequency is between 45 and 65 Hz For 200 230 VAC Supplies The AC wave form peak voltage must be below 420 volts Th...

Страница 13: ...a noticeable pressure drop in the line Filter elements should be replaced when a pressure drop of 8 10 psi is indicated however for optimum performance of the PRO CUT the filter element should be replaced at or before the pres sure drop reaches 8 psi Be sure to select a prefilter that will accommodate the necessary flow rating for the PRO CUT as specified in the Installation sec tion of this instr...

Страница 14: ...ure problems associated with hi frequency start systems The PYTHON is capable of cutting with nitrogen or air The PYTHON is controlled by a microprocessor based control board The machine performs rudimen tary self troubleshooting when powered up which aids in field servicing PREHEAT TEMPERATURE FOR PLASMA CUTTING Preheat temperature control is not necessary in most applications when plasma arc cut...

Страница 15: ...lities so that you can get maximum use from your machine Portable design for industrial use Continuous output control 35 85 amps Reliable touch start mechanism for plasma arc initi ation Unique microprocessor controlled starting sequence for safe and consistent starting Rapid arc transfer for fast cutting of expanded metal High transfer distance for ease of use Soft start of input filter capacitor...

Страница 16: ...ng of 80 amps at an approximate speed of 35 IPM PYTHON Mild Steel Cut Capacity Chart Recommended Torch Travel Speed IPM 80 of Maximum Speed 100 80 60 40 20 0 0 000 0 125 0 250 0 375 0 500 0 625 0 750 Material Thickness 25 A 35 A 55 A 1 00 80 A Figure B 1 CONSUMABLE LIFE The expected life for the PYTHON s electrode under normal operating conditions is approximately 160 starts cuts An erosion of 060...

Страница 17: ... pressure after the air turns off but this is normal Do NOT reset the pressure while the air is NOT flowing 3 PREPARING TO CUT When ready to cut place the torch near the work make certain all safety precautions have been taken and pull the trigger The air will flow for a preflow time of 2 seconds and the pilot arc will start This is true unless the machine is in postflow then the preflow time is s...

Страница 18: ...OMATICALLY WITHOUT DEPRESS ING THE RESET BUTTON Check the assembly of the torch consumables If they are not properly in place the machine will not start Make sure that the shield cup is hand tight Do not use pliers or over tighten Check the conditions of the inside of the nozzle If debris has collected rub the electrode on the inside bottom of the nozzle to remove any oxide layer that may have bui...

Страница 19: ... be dragged on the metal sur face touching it lightly to the surface after pierc ing a hole 2 CURRENT CONTROL SHOULD BE SET BELOW THE MID RANGE Do not allow cable or body to contact hot sur face THICK SECTIONS OF METAL 1 OUTPUT SET ABOVE 45 AMPS The best quality and consumable life will be obtained by holding the torch off the surface about 3 16 Too long an arc may compromise cut quality and consu...

Страница 20: ...igher or lower pressure will cause turbulence in the plasma arc eroding the orifice of the nozzle tip i Use only Lincoln consumable parts These parts are patented and using any other replacement consumables may cause damage to the torch or reduce cut quality MACHINE INTERFACE The PYTHON comes standard with a machine inter face Interface signals provided include arc start arc initiated and arc volt...

Страница 21: ...nly Provides Torch and Work Cable storage S22147 043 VORTECH nozzle with an 043 1 2 mm Orifice for 35 60 Amps S22147 053 VORTECH nozzle with an 053 1 3 mm Orifice for 60 85 Amps S22147 082 VORTECH nozzle with an 082 2 1 mm Orifice for Gouging at 60 85 Amps S22149 Electrode replacement electrodes for cut ting S22150 Shield Cup This shields the torch tip and provides more visibility to the workpiece...

Страница 22: ... body of the resistor and connect resistor leads across the two capacitor terminals Hold resistor in place for 10 seconds DO NOT TOUCH CAPACITOR TERMINALS WITH YOUR BARE HANDS 7 Repeat discharge procedure for the other capaci tor 8 Check voltage across terminals of all capacitors with a DC voltmeter Polarity of capacitor terminals is marked on PC board above terminals Voltage should be zero If any...

Страница 23: ...ieve any so as not to restrict the flow of air to the torch PERIODIC MAINTENANCE Change consumables as required 1 Thermal Protection Two thermostats protect the machine from excessive operating temperatures Excessive temperatures may be caused by a lack of cooling air or operating the machine beyond the duty cycle and output rating If excessive operating temperatures should occur the yellow therma...

Страница 24: ...om Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause generally it states to contact you local Lincoln Authorized Field Service Facility If you do not understand or are unable to perform the Recommended Course of Action safely contact you local Lincoln Authorized Field Service Facility HOW TO USE TROUBLESHOOTING GUIDE Service and Repair should only b...

Страница 25: ...vitated 1 Check the input power to be sure it is on 2 Check the power line fuses and machine connection 3 Disconnect input power at fuse panel and check line switch conti nuity Replace line switch if bad 4 Auxiliary transformer may be faulty 1 Auxiliary transformer may be faulty 2 Disconnect input power from the machine Check that connectors on harness between Control Bd and Display Bd are properl...

Страница 26: ...heck or replace c Possible faulty Output Power board d Possible faulty Control board 2 check for continuity from the bulk head connector to the molex See Wiring Diagram 3 Remove the handles or barrel of the torch and examine all the con nections Pay attention to location of electrode lead mounting at back of torch head broken trigger and solenoid leads 4 Check for proper trigger switch operation R...

Страница 27: ... in the torch cable Replace cable as needed 4 If a slight thump cannot be felt in the torch when the trigger is pulled check for loose connection in the torch head and solenoid assembly 5 With machine turned off input power removed and torch and consumables connected mea sure resistance on Output Power board between B1 and B21 If 10Ω possible fault in torch and cable assembly 6 Possible fault in O...

Страница 28: ...COMMENDED COURSE OF ACTION Pilot arc starts but will not transfer when brought near work 1 Check work lead connection for clean secure connection 2 Plasma will only cut conductive material Do not attempt to cut fiberglass plastic rubber PVC or any other non conductive material 3 Make sure work piece is clean and dry Remove any scale rust or dross 4 Check all connections to Output board 5 Possible ...

Страница 29: ...Control board 1 Make sure there is a Lincoln torch and cable assembly connect ed properly to the PYTHON bulk head connector 2 Check consumables for proper installation or excessive wear Replace if excessively worn If not use a piece of fine emery cloth to remove any oxide buildup on the tip of the electrode 1 Press the Reset button If torch and consumables are properly installed the Safety LED sho...

Страница 30: ...348 1 8 2 9 309 3 S xxxxxxx 2 6 8 FOR THREE PHASE INPUT CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE CONNECT BLACK RED WHITE LEADS TO SUPPLY CIRCUIT 2 FOR MACHINES NOT SUPPLIED WITH INPUT CABLE 201 10 219 WORK 503 216 213 502 7 4 210 10 2000 500 FOR THREE PHASE INPUT GROUND MACHINE PER NATIONAL AND LOCAL ELECTRICAL CODES CONNECT TERMINALS U V W TO SUPPLY CIRCUIT THE INTERCHANGEABILITY O...

Страница 31: ...V 4 2 H5 H4 54 OUTPUT 8 16 READY LED LOW_PSI LED POT WIPER RESET GND RESET LED THERMAL LED P UF 9 2 J2 J21 J31 U BLUE W 1 3 364 369 N BROWN 11 223 306 216 277A 8 X2 C1 3000 450 E 6 364 FAN FAN 354 3 348 344 343 F R O U T 309 306 D INTERFACE RECEPTACLE 3 4 275 7 210 214 217 R 202 I 507 277 DISPLAY 365 6 4A 2A 1 2A N 2 4 9 S5 4 10 1 361 5 206 B21 SHOWN FOR 400 460VAC OPERATION X4 207A SLOW BLOW 18V ...

Страница 32: ... 216 277A 8 X2 C1 3000 450 FAN FAN F R O U T 309 306 D INTERFACE RECEPTACLE 3 4 275 7 210 214 217 R 202 I 507 277 DISPLAY 6 1 2A N S5 206 B21 SHOWN FOR 400 460VAC OPERATION X4 207A SLOW BLOW 18V 209 T1 1 3 X10 U 7 R W H4 24V 4 2 Y 401 505 506 4 W 310 F 8 H3 TP2 REAR OF MACHINE 18V 3 4 5 XFER SHUNT TWIST PR CONTROL N 365 ELEC 215 I 208 Y 204 K VIEWED FROM COMPONENT SIDE OF BOARD COLOR CODE B BLACK ...

Страница 33: ...CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER CONNECTION SHOWN IS FOR 550 575V OPERATION N C PLACE A LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE Y 404 6 B O T I N R X4 2000 500 205 241 575V H6 H5 460V 440 A A 2 4 1 C1 E XFER 2 277B 18V B E 201 13 T O P I N W 221 S3 R PSI_SET 1 344 S1 201A COLOR CODE B BLACK OR GRAY G GREE...

Страница 34: ...F 5 DIAGRAMS F 5 PYTHON 16 41 22 50 3 50 13 71 29 50 CC UF M19195 DIMENSION PRINT PYTHON PYTHON ...

Страница 35: ...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 de la tierra Ne laissez ni la peau ni des vête ments mouillés entrer en contact avec des pièces sous tension Isolez vous du travail et de la terre Berühren Sie keine stromführenden Teile oder Elektrode...

Страница 36: ...gute Be und Entlüftung des Arbeitsplatzes Mantenha seu rosto da fumaça Use ventilação e exhaustão para remover fumo da zona respiratória Turn power off before servicing Desconectar el cable de ali mentación de poder de la máquina antes de iniciar cualquier servicio Débranchez le courant avant l entre tien Strom vor Wartungsarbeiten abschalten Netzstrom völlig öff nen Maschine anhalten Não opere co...

Страница 37: ...s 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 ...

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