Lincoln Electric 250 manual Possible Areas, Contact your local Lincoln

Page 31

E-3

 

TROUBLESHOOTING

E-3

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

Engine will not idle down to low

1. Idler switch in High idle position.

 

speed.

 

 

 

 

 

2.

External load on welder or auxil-

 

 

 

 

iary power.

 

 

 

3.

Faulty PC board or idler sole-

 

 

 

 

noid.

 

 

 

 

Engine will not go to high idle when

1. Poor work lead connection to

 

attempting to weld.

 

work.

 

 

 

2.

"Contactor" switch is in wrong

 

 

 

 

position.

 

 

 

3.

Faulty PC board. Low idle speed

 

 

 

 

set to low.

 

 

 

 

Engine will not go to high idle when

1. Auxiliary power load is less than

 

using auxiliary power.

 

100 watts.

 

 

 

2. Faulty PC board.

If all recommended possible areas

 

 

of misadjustment have been

 

 

 

 

checked and the problem persists,

 

 

 

 

Engine does not develop full power.

1. Fuel filter clogged.

Contact your local Lincoln

Authorized Field Service Facility.

 

 

2.

Air filter clogged.

 

 

 

3.

Fouled spark plugs.

 

 

 

4.

Valves out of adjustment.

 

 

 

 

 

 

 

 

 

 

 

CAUTION

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.

RANGER 250

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Contents Ranger California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Table of Contents Table of Contents Installation Machine Specifications Ranger 250 K1725-2, K1725-4 Safety Precautions PRE-OPERATION Engine Service Electrical Connections Standby Power Connections Auxiliary Power ReceptaclesConnection of Ranger 250 to Premises Wiring Connection of the LN-25 to the Ranger Connection of Lincoln ELEC- Tric Wire FeedersConnection of an LN-23P Wire Feeder to the Ranger Connection of LN-7 or LN-8 to the RangerEngine Operation Design FeaturesOperation General DescriptionWeld Output Terminals with Flange NUT Weld Mode Selector SwitchWelding Controls ARC ControlPIN Amphenol Weld Terminals Control SwitchWire Feeder Voltmeter Switch Engine ControlsStopping Welder OperationTypical Ranger 250 Fuel Consumption TIG Welding Wire WELDING-CVTypical Current Ranges 1 for Tungsten ELECTRODES2 ARC Gouging Auxiliary PowerRanger 250 Extension Cord Length Recommendations T12153-9 50 AMP, 120/240V Power Plug AccessoriesRecommended Optional Equipment Onan P220 OHV MaintenanceEngine Maintenance Components Kohler EngineEngine OIL Refill Capacities AIR Cleaner ServiceAIR PRE-CLEANER Service Engine OIL ChangeAIR Filter Paper Element Spark Plug ServiceSpark Plug Charging the Battery Engine Adjustment Overspeed is HazardousBattery Maintenance Cleaning the BatteryWelder / Generator Maintenance HOW to USE Troubleshooting Guide TroubleshootingPersists,Contact your local Service FacilityLincoln Authorized Field Contact your local Lincoln Possible AreasTroubleshooting Troubleshooting Diagrams Diagrams Diagrams Diagrams Diagrams Engine Welders /LN-8 Connection Diagram Diagrams Diagrams Diagrams Diagrams Diagrams Diagrams W11 G428422.25 23.50 Dimension Print Ranger15.25 15.50 Ranger Ranger Precaucion Warnung
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