Lincoln Electric SA-250 manual Polarity Control & Cable Sizes

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3.Proper placement of the equipment on the under- carriage to ensure stability side to side and front to back when being moved and when standing by itself while being operated or serviced.

4.Typical conditions of use, i.e. travel speed, rough- ness of surface on which the trailer will be operat- ed, environmental conditions & likely maintenance.

5.Conformance with federal, state and local laws. (1)

(1)Consult applicable federal, state and local laws regarding specific requirements for use on public highways.

Polarity Control & Cable Sizes

With the engine off, connect the electrode and work cables of the appropriate size (see the following table) to the studs located on the fuel tank mounting rail. For Positive polarity, connect the electrode cable to the terminal marked Positive. For Negative polari- ty, connect the electrode cable to the Negativestud. These connections should be checked periodically and tightened if necessary.

When welding at a considerable distance from the welder, be sure you use ample size welding cables.

Recommended Copper Cable Sizes

Up to 200 ft

200-250 ft

250 Amps

350 Amps

@ 60% Duty Cycle

@ 25% Duty Cycle

1

2/0

1/0

3/0

 

 

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Contents SA-250 Perkins Safety Electric Shock can kill Safety Précautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents General Description Design SummaryOptional Features Specifications MachinePRE-OPERATION Installation Polarity Control & Cable Sizes PRE-OPERATION Service Engine Operation Starting the Perkins D3.152 EngineStopping the Perkins D3.152 Engine Welder Operation Duty CycleControl of Welding Current Idler OperationMaintenance Bearings Commutator & BrushesTroubleshooting Idler MaintenanceNameplates Trouble Cause What to do AC Auxiliary Power Flashing the FieldsElectronic Idler Troubleshooting Guide SA-250 & 350-SA Dimension Print Page How To Read Shop Drawings New Lessons in Arc WeldingNeed Welding Training? Precaucion Warnung
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