Lincoln Electric 305G manual Contact your local Lincoln

Page 32

E-3

TROUBLESHOOTING

E-3

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

 

Engine will not idle down to low

1. Idler switch in High idle position.

 

 

 

speed.

 

Set switch to Auto.

 

 

 

 

 

 

2.

External load on welder or auxil-

 

 

 

 

 

iary power. Remove all external

 

 

 

 

 

loads.

 

 

 

 

 

 

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. Make sure work clamp is

 

 

 

 

 

tightly connected to clean base

 

 

 

 

 

metal.

 

 

 

 

 

 

2.

"Contactor" switch is in wrong

 

 

 

 

 

position. Set to "Welding On"

 

 

 

 

 

when welding without a control

 

 

 

 

 

cable. Refer to Operations chap-

 

 

 

 

 

ter for proper use of this switch.

 

 

 

 

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. Idler may not respond

 

 

 

 

 

with less than a 100 watt load.

If all recommended possible

areas

 

 

 

Set idler to "High".

 

 

of misadjustment have

been

 

 

2.

Faulty PC board.

 

 

checked and the problem persists,

 

 

 

 

 

 

Contact your local Lincoln

 

 

 

 

 

 

 

Engine does not develop full

1. Fuel filter clogged, Replace.

 

 

Authorized Field Service Facility.

 

power.

2. Air filter clogged, clean

or

 

 

 

 

 

replace.

 

 

 

 

 

 

3.

Fouled spark plugs, clean or

 

 

 

 

 

replace.

 

 

 

 

 

 

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 305G

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Page 31 Page 33
Contents Ranger Safety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion Précautions DE Sûreté Sûreté Pour Soudage a LʼArcThank You Table of Contents Vii Installation Technical Specifications Ranger 305G K1726-4, K1726-5Machine Specifications Ranger 305G K1726-4, K1726-5 Receptacles and Circuit BreakersSafety Precautions Additional Safety PrecautionsLocation and Ventilation High Altitude OperationPRE-OPERATION Engine Service Battery Connection GasolineOIL FuelElectrical Connections Standby Power Connections Auxiliary Power ReceptaclesWelding Output Cables Total Combined Length of Electrode and Work CablesConnection of Ranger 305G to Premises Wiring Connection of Lincoln Electric Wire Feeders Connection of LN-7 or LN-8 to the Ranger 305GInstallation General Description Design FeaturesOperation Weld Mode Selector Switch Welding Controls Output ControlDigital Output Meters ARC ControlPIN Connector Weld Terminals Control SwitchWire Feeder Voltmeter Switch Idler SwitchWelder Operation Typical Current Ranges 1 for Tungsten ELECTRODES2 Wire WELDING-CVTIG Welding Auxiliary Power ARC GougingAccessories Kohler Engine MaintenanceEngine Maintenance Components Engine Spark Plug AIR Filter Paper ElementEngine Adjustment Battery MaintenanceFuel Filter Servicing Optional Spark ArrestorWelder/Generator Maintenance Troubleshooting HOW to USE Troubleshooting GuideContact your local Lincoln Authorized Field Service Facility Contact your local Lincoln Faulty control cable. Repair or Stick Diagrams Diagrams Diagrams Diagrams Diagrams Warni NG Diagrams Diagrams Diagrams Diagrams Diagrams Dimension Print Precaucion Atenção
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