Lincoln Electric IM931 manual ARC Gouging, Auxiliary Power

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B-6

OPERATION

B-6

 

 

 

ARC GOUGING

The RANGER 250 LPG can be used for limited arc gouging. For optimal performance, set the MODE switch to CC-STICK and the ARC CONTROL to +10.

Set the CONTROL knob to adjust output current to the desired level for the gouging electrode being used according to the ratings in the following table:

Electrode Diameter Current Range (DC, electrode positive)

1/8" (3.2mm)

30-60 Amps

5/32" (4.0mm)

90-150 Amps

3/16" (4.0mm)

200-250 Amps

AUXILIARY POWER:

Start the engine and set the IDLER control switch to the desired operating mode. Full power is available regardless of the welding control settings providing no welding current is being drawn.

The auxiliary power of the RANGER 250 LPG con- sists of two 20 Amp-120 VAC (5-20R) GFCI duplex receptacles and one 50 Amp 120/240 VAC (14-50R) receptacle. The 240 VAC receptacle can be split for single phase 120 VAC operation. If a GFCI receptacle is tripped, See the MAINTENANCE section for detailed information on testing and resetting the GFCI receptacle.

The auxiliary power capacity is 9,000 Watts Peak, 8000 Watts Continuous of 60 Hz, single phase power. The auxiliary power capacity rating in watts is equiva- lent to volt-amperes at unity power factor. The max permissible current of the 240 VAC output is 33 Amps. The 240 VAC output can be split to provide two sepa- rate 120 VAC outputs with a max permissible current of 33 Amps per output to two separate 120 VAC branch circuits (these circuits cannot be paralleled). Output voltage is within ± 10% at all loads up to rated capacity. All auxiliary power is protected by circuit breakers.

The 120 V auxiliary power receptacles should only be used with three wire grounded type plugs or approved double insulated tools with two wire plugs. The current rating of any plug used with the system must be at least equal to the current capacity of the associated receptacle.

NOTE: The 240 V receptacle has two circuits, each of which measure 120 V to neutral but are of opposite polarities and cannot be paralleled.

Simultaneous Welding and Auxiliary Power Loads The above auxiliary power ratings are with no welding load. Simultaneous welding and power loads are specified in the following table. The permissible cur- rents shown assume that current is being drawn from either the 120 VAC or 240 VAC supply (not both at the same time).

RANGER 250 LPG Simultaneous Welding and Power Loads

Welding

Permissible Power-Watts

Permissible

Auxiliary

Output-Amps

(Unity Power Factor)

Current in

-Amps

 

 

 

 

 

 

@120 VAC *

@ 240 VAC

0

8000

66**

33

100

5300

48**

24

150

4000

38**

19

200

2700

24

12

250

750

8

4

 

 

 

 

*Each duplex receptacle is limited to 20 amps.

**Not to exceed 35 A per 120 VAC branch circuit when splitting the 240 VAC output.

RANGER 250 LPG Extension Cord Length Recommendations

(Use the shortest length extension cord possible sized per the following table.)

Current Voltage

Load

 

 

Maximum Allowable Cord Length in ft. (m) for Conductor Size

 

 

(Amps)

Volts

(Watts)

14 AWG

12 AWG

10 AWG

8 AWG

6 AWG

4 AWG

15

120

1800

30

(9)

40

(12)

75

(23)

125

(38)

175

(53)

300

(91)

20

120

2400

 

 

30

(9)

50

(15)

88

(27)

138

(42)

225

(69)

15

240

3600

60

(18)

75

(23)

150

(46)

225

(69)

350

(107)

600

(183)

20

240

4800

 

 

60

(18)

100

(30)

175

(53)

275

(84)

450

(137)

33

240

8000

 

 

 

 

60

(18)

100

(30)

175

(53)

250

(76)

 

 

 

 

Conductor size is based on maximum 2.0% voltage drop.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RANGER 250 LPG

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Contents Ranger 250 LPG Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Table of Contents Section D Section ESection F SeriesInstallation Technical Specifications Ranger 250 LPG K2336-2Machine Specifications Ranger 250 LPG Engine K2336-2 Safety Precautions PRE-OPERATION Service FuelTighten by hand Battery Connection Remote ControlOIL Engine Cooling SystemElectrical Connections Auxiliary Power Receptacles Standby Power ConnectionsConnection of Ranger 250 LPG to Premises GNDConnection of Lincoln ELEC- Tric Wire Feeders Connection of LN-15 Wire Feeder to the Ranger 250 LPGConnection of LN-7 or LN-8 to the Ranger 250 LPG Across-The-Arc ModelConnection of the LN-25 to the Ranger 250 LPG Connection of Prince Spool Gun to the Ranger 250 LPGDesign Features Additional Safety PrecautionsOperation General DescriptionWeld Mode Selector Switch Welding ControlsARC Control Engine Controls Welder Operation StoppingDuty Cycle Typical Ranger 250 LPG Fuel ConsumptionWire WELDING-CV TIG WeldingTypical Current Ranges 1 for Tungsten ELECTRODES2 Auxiliary Power ARC GougingRanger 250 LPG Extension Cord Length Recommendations Accessories T12153-9 50 AMP, 120/240V Power PlugRecommended Optional Equipment Maintenance Engine Maintenance ComponentsKohler Engine AIR Cleaner Service AIR PRE-CLEANER ServiceEngine OIL Change Engine OIL Refill CapacitiesSpark Plug Service AIR Filter Paper ElementSpark Plug Engine Adjustment Overspeed is Hazardous Battery MaintenanceCleaning the Battery Charging the BatteryWelder / Generator Maintenance Gfci Receptacle Testing and RESET- Ting ProcedureTroubleshooting HOW to USE Troubleshooting GuideService Facility Persists,Contact your localLincoln Authorized Field Cause Course of Action Contact your local LincolnTroubleshooting Troubleshooting Diagrams Diagrams Diagrams Diagrams Diagrams Engine Welders /LN-8 Connection Diagram Diagrams Diagrams Diagrams Diagrams Diagrams Dimension Print Ranger 250 LPGRanger 250 LPG Ranger 250 LPG Precaucion Warnung
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