Lincoln Electric LN-9F GMA, LN-9 GMA Grounding Lead Protector Shutdown in the Operation section

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E-4

E-4

TROUbLESHOOTING

TROUbLESHOOTING GUIDE

Observe Safety Guidelines

detailed in the beginning of this manual.

PRObLEMS (SYMPTOMS)

Gun trigger will not feed wire. Meter is "on" and reads SET value of VOLTS or WIRE SPEED.

POSSIbLE AREAS OF

MISADJUSTMENT(S)

WIRE FEEDING PRObLEMS

1.Check to see if the grounding lead protector (GLP) circuit has tripped. Clear any fault discovered between the electrode circuit and the wire feeder frame and then press the "GLP Reset" button. See the topic "Avoiding

Grounding Lead Protector Shutdown" in the Operation section.

2.Check the gun trigger circuit.

RECOMMENDED

COURSE OF ACTION

If all recommended possible areas of misadjustment have been checked and the problem persists, contact your local Lincoln Authorized Field Service Facility.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the necessary tests/repairs safely, contact your local authorized field service facility before you proceed.

LN-9 GMA and LN-9F GMA Wire Feeder

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Contents LN-9 GMA and LN-9F GMA Wire Feeder Safety Depends on YouSafety Electric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Thank You TAbLE of Contents TAbLE OF CONTENTS cont’d Section F ViiiSection E P127, P125, P107 & P289 SeriesLN-9 GMA and LN-9F GMA Wire Feeder Technical SpecificationsWidth Height Mounting the Wire Feed Unit Installing the LN-9 GMA Roll and 4-ROLL ModelsAttaching the Wire Reel Stand Mounting the UnitElectrical Connections LN-9 GMA and LN-9F GMA Power Input CAbLE ASSEMbLYRouting the Electrode Figure A.2 Strain Relief Clamp Figure A.3 LN-9F GMA Control bOXInstallation Can kill Figure A.5 Connection of LN-9 GMA to DC-600 Power Sources Figure A.6 Connection of LN-9 GMA to DC-1000 Power Sources 75 76 77 Installation Figure A.9 Connection of LN-9 GMA to V300 Power Sources Machine Grounding Direct Work Lead ConnectionConnecting the GUN CAbLE to the Wire Feeder For GMA GUN CAbLESHooking UP GMA Shielding GAS Cylinder may explode if damagedSafety Precautions Operating InstructionsK424 LN-9 GMA 2-ROLL and K568-1 LN-9 GMA 4-ROLL General DescriptionRecommended Processes and Equipment K436 LN-9F GMA 2-ROLL and K583-1 LN-9F GMA 4-ROLLDC Constant Voltage Power Sources Controls and Settings Operation Operation Avoiding Grounding Lead Protector GLP Shutdown Power Supply FuseCircuit Protection and Automatic Shutdown Circuit bREAKERAutomatic Shutdown Drive Roll Installation Changing Drive Rolls for 2-ROLL Wire FeedersGuide Tube Detail Changing Drive Rolls for 4-ROLL Wire Feeders Large Wire Loading Figure b.7a Threaded Locking CollarLoading a 50-60 Lb .7-27.2 KG. Coil Using K1504-1 Coil Reel Feeding Electrode and bRAKE AdjustmentADJUSTAbLE Wire Reel bRAKE Loading a 50 or 60 Lb. CoilLoading and Feeding 13-14 Lb Innershield Coils K378 Reel Mounting StandRoll Wire Feeders Idle Roll Pressure SettingFor TWO-ROLL Feeders Pressure Adjustment Knob Pulse Power 500, DC650 PRO CV-400, CV-500-I Adjust the Power SourceAdjust the LN-9 GMA Controls DC-250, DC-400, or DC-600Voltage Control Response Starting CharacteristicsRUN-IN Feature Select AccelerationSecurity of Weld Procedure Settings Procedure AT END of CoilMaking a Weld Wire Reel Stands and Mountings Optional Equipment and AccessoriesPower Input CAbLE ASSEMbLIES K196, K595, K596 Auxiliary Equipment ContactsSpindle for READI-REELS and 2 I.D. Spools K162-H Attaching the Wire Reel StandsWire Reel Door KIT READI-REEL AdaptersUniversal Wire Reel Stand K1524-1 Wire Feeder Accessories BURNbACK Timer KIT K419Dual Procedure KIT K319 GMA Timer KIT K418Dual Process KIT K317 For Wire Feeders Pulse Power Filter Conversion KIT K442-1Continuous Flux Feed Tank K320 Swivel Platform K178-1Undercarriage K163 K320 Flux Tank LoadingK58 Magnetic Separator Cored Electrode TAbLE C.2 Drive Roll and Guide TUbE KitsKit Roll Solid Steel Electrode Aluminum ElectrodeCoils with 1 Spindle Routine MaintenancePeriodic Maintenance AdapterProper Speed Sensor Module Mounting Figure D.1 Speed Sensor Module LocationFigure D.2 LN-9 GMA Connectors Figure D.2 Switch RequirementsTROUbLESHOOTING TROUbLESHOOTING Guide Wire Feeding PRObLEMSGun trigger will not feed wire. Digital meter is not lit Grounding Lead Protector Shutdown in the Operation section TROUbLESHOOTING Welding PRObLEMS Starting Characteristics LN-9 GMA WIRING WireLN-9F GMA LN-9 GMA Dimension Print LN-9F GMA Dimension Print 1 Wire Drive Unit LN-9F Dimension Print 2 Control bOXPage Precaucion LN-9 GMA Wire Feeder Keep your head out of fumes