Lincoln Electric IM901-A manual Operation

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b-1

OPERATION

b-1

 

 

 

SAFETY PRECAUTIONS

READ AND UNDERSTAND ENTIRE SECTION bEFORE OPERATING MACHINE.

WARNING

• ELECTRIC SHOCK CAN KILL. Unless using COLD FEED fea- ture, when feeding with gun trig- ger, the electrode and drive mechanism are always electri- cally energized and could remain energized several sec- onds after the welding ceases..

Do not touch electrically live part or electrode with skin or wet clothing.

Insulate yourself from work and ground.

Always wear dry insulating gloves.

Do not operate with covers, panels or guards removed or open.

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FUMES AND GASSES can be dangerous.

• Keep your head out of fumes.

• Use ventilation or exhaust to remove fumes from breathing zone.

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• WELDING SPARKS can cause fire or explosion.

• Keep flammable material away.

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ARC RAYS can burn.

• Wear eye, ear and body protec- tion.

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SEE ADDITIONAL WARNING INFORMATION UNDER ARC WELDING SAFETY PRECAUTIONS AND IN THE FRONT OF THIS OPERATING MAN- UAL.

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GRAPHIC SYMbOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL

INPUT POWER

ON

OFF

WIRE FEEDER

POSITIVE OUTPUT

 

NEGATIVE OUTPUT

 

INPUT POWER

 

DIRECT CURRENT

U0

OPEN CIRCUIT

VOLTAGE

 

U1

INPUT VOLTAGE

U2

OUTPUT VOLTAGE

I1

INPUT CURRENT

I2

OUTPUT CURRENT

 

PROTECTIVE

 

GROUND

WARNING OR

CAUTION

LN-25™ PRO ACROSS THE ARC MODEL

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Contents Safety Depends on You LN-25PROSafety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Please Examine Carton and Equipment For Damage Immediately On-Line Product RegistrationTAbLE of Contents Installation Safety Precautions LocationHigh Frequency Protection Weld CAbLE SIzE3INSTALLATIONA-3 Function Pin WiringCAbLE Connections Shielding GAS ConnectionProcedure to Install Drive Rolls and Wire Guides Changing the GUN Receiver bUSHINGPressure ARM Adjustment Loading Spools of WireGUN Connection Fe, CrNiAcross the ARC SET-UPS Figure A.5Figure A.7 8INSTALLATIONA-8 Figure A.9Operation Recommended Power Sources Definition of Welding TermsRecommended Processes Process LimitationsDescription Case Front Controls See Figure b.1Analog Voltmeter Wire Feed Speed KNOb Wire Feed Speed, CV OperationMinimum Arc Volts Maximum WFS Extra TorquePolarity LED Internal Controls Figure b.2Internal Controls Description CV/CC SwitchCold Feed PUSHbUTTON Constant Current Wire Welding Figure b-3Itemdescription Rear ControlsPOWER-UP Sequence GAS Purge PUSHbUTTONFlow Meter ScfhAccessories Factory Installed EquipmentWire Type Drive Roll KitsAccessories Kit Accessories K1500-5 Gun Receiver Bushing compatible Installation of the K590-6 Water Cooling KIT Maintenance Routine MaintenancePeriodic Maintenance CALIbRATION SpecificationWire Feed Speed Validation To change the wire feed speed calibration See Figure D.2Model gearing BOARDTROUbLESHOOTING Electric Shock can killPRObLEMS SymptomsFault Code Description Possible Adjustments POSSIbLEOutput Problems TROUbLESHOOTING LN-25 PRO Across the ARC DiagramsModel Diagrams Dimension Print LN-25 PRO Across the ARC Model Precaucion Warnung