TROUbLESHOOTING | Lincoln Electric LN-9 GMA, LN-9F GMA manual

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TROUbLESHOOTING

HOW TO USE TROUbLESHOOTING GUIDE

WARNING

This Troubleshooting Guide is designed to be used by the machine Owner/Operator. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety, please observe all safety notes and precautions detailed in the Safety Section of this manual to avoid electrical shock or danger while troubleshooting this equipment.

This Troubleshooting Guide is provided to help you locate and repair possible machine misadjustments. Simply follow the three-step procedure listed below.

Step 1. LOCATE PROBLEM (SYMPTOM) Look under the column labeled “PROBLEM (SYMPTOMS)”. This column describes possible symptoms that your machine may exhibit. Find the listing that best describes the symptom that your machine is exhibiting. Problems are divided into “WIRE FEEDING PROBLEMS” or “WELDING PROBLEMS.”

Step 2. PERFORM EXTERNAL

RECOMMENDED TESTS

The second column labeled “POSSIBLE AREAS OF MISADJUSTMENT(S)” lists the obvious external possibilities that may contribute to the machine symptom. Perform these tests/checks in the order listed.

Step 3. CONSULT LOCAL AUTHORIZED FIELD SERVICE FACILITY

If you have exhausted all of the recommended tests in step 2, consult your local 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 the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-800-833-WELD or 216-383-2531.

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

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Lincoln Electric LN-9 GMA, LN-9F GMA manual TROUbLESHOOTING

Contents

Safety Depends on You LN-9 GMA and LN-9F GMA Wire Feeder Safety Electric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosion Précautions DE Sûreté Thank You TAbLE of Contents TAbLE OF CONTENTS cont’d P127, P125, P107 & P289 Series ViiiSection E Section F LN-9 GMA and LN-9F GMA Wire Feeder Technical SpecificationsWidth Height Mounting the Unit Installing the LN-9 GMA Roll and 4-ROLL ModelsAttaching the Wire Reel Stand Mounting the Wire Feed Unit Electrical Connections LN-9 GMA and LN-9F GMA Power Input CAbLE ASSEMbLYRouting the Electrode Figure A.3 LN-9F GMA Control bOX Figure A.2 Strain Relief Clamp Installation 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 Direct Work Lead Connection Machine Grounding For GMA GUN CAbLES Connecting the GUN CAbLE to the Wire Feeder Cylinder may explode if damaged Hooking UP GMA Shielding GAS Operating Instructions Safety Precautions K436 LN-9F GMA 2-ROLL and K583-1 LN-9F GMA 4-ROLL General DescriptionRecommended Processes and Equipment K424 LN-9 GMA 2-ROLL and K568-1 LN-9 GMA 4-ROLL DC Constant Voltage Power Sources Controls and Settings Operation Operation Circuit bREAKER Power Supply FuseCircuit Protection and Automatic Shutdown Avoiding Grounding Lead Protector GLP Shutdown Automatic Shutdown Changing Drive Rolls for 2-ROLL Wire Feeders Drive Roll Installation Guide Tube Detail Changing Drive Rolls for 4-ROLL Wire Feeders Large Figure b.7a Threaded Locking Collar Wire Loading Feeding Electrode and bRAKE Adjustment Loading a 50-60 Lb .7-27.2 KG. Coil Using K1504-1 Coil Reel Loading a 50 or 60 Lb. Coil ADJUSTAbLE Wire Reel bRAKE Innershield Coils K378 Reel Mounting Stand Loading and Feeding 13-14 Lb Roll Wire Feeders Idle Roll Pressure SettingFor TWO-ROLL Feeders Pressure Adjustment Knob DC-250, DC-400, or DC-600 Adjust the Power SourceAdjust the LN-9 GMA Controls Pulse Power 500, DC650 PRO CV-400, CV-500-I Select Acceleration Starting CharacteristicsRUN-IN Feature Voltage Control Response Security of Weld Procedure Settings Procedure AT END of CoilMaking a Weld Auxiliary Equipment Contacts Optional Equipment and AccessoriesPower Input CAbLE ASSEMbLIES K196, K595, K596 Wire Reel Stands and Mountings READI-REEL Adapters Attaching the Wire Reel StandsWire Reel Door KIT Spindle for READI-REELS and 2 I.D. Spools K162-H Universal Wire Reel Stand K1524-1 BURNbACK Timer KIT K419 Wire Feeder Accessories Pulse Power Filter Conversion KIT K442-1 GMA Timer KIT K418Dual Process KIT K317 For Wire Feeders Dual Procedure KIT K319 K320 Flux Tank Loading Swivel Platform K178-1Undercarriage K163 Continuous Flux Feed Tank K320 K58 Magnetic Separator Aluminum Electrode TAbLE C.2 Drive Roll and Guide TUbE KitsKit Roll Solid Steel Electrode Cored Electrode Adapter Routine MaintenancePeriodic Maintenance Coils with 1 Spindle Figure D.1 Speed Sensor Module Location Proper Speed Sensor Module Mounting Figure D.2 Switch Requirements Figure D.2 LN-9 GMA Connectors TROUbLESHOOTING Wire Feeding PRObLEMS TROUbLESHOOTING Guide Gun trigger will not feed wire. Digital meter is not lit Grounding Lead Protector Shutdown in the Operation section TROUbLESHOOTING Welding PRObLEMS Starting Characteristics Wire LN-9 GMA WIRING LN-9F GMA LN-9 GMA Dimension Print LN-9F GMA Dimension Print 1 Wire Drive Unit Control bOX LN-9F Dimension Print 2Page Precaucion Keep your head out of fumes LN-9 GMA Wire Feeder