Lincoln Electric SP-255 manual 2ACCESSORIES, Spot KEY

Page 30

C-2ACCESSORIES

b.Closing feeder gun trigger starts feed- er gun welding and makes both elec- trodes electrically “HOT”.

2.Transfer switch in SPOOL position:

a.Disables feeder gun wire feed and gas output. However, closing feeder gun trigger will make both electrodes electrically “HOT” and activate spool gun gas output.

b.Closing spool gun trigger starts spool gun welding and makes both elec- trodes electrically “HOT”.

3.Operation with SP-255:

a.Turn the input power ON. With the transfer switch in SPOOL gun posi- tion, the display will flash the mes- sages:

b.Pressing the Manual key will change the display to the spool screen.

c.Pressing the up or down arrow keys under volts on the display will increase or decrease your welding voltage.

The 1-99% on the display represents a percentage of wire feed speed. This is the set speed for the K469 spool gun and the maximum set speed for the K487 spool gun (with the remote control in gun handle at maximum). The remote control turned to mini- mum will give you approximately 50% of the maximum set WFS.

Left arrow keys — Do not function.

Center arrow keys — Increase (up arrow) or decrease (down arrow) per- cent of wire feed speed.

Right arrow keys — Increase (up arrow) or decrease (down arrow) arc voltage.

IDEALARC SP-255 OCT94

d.Procedure settings may be stored in memory for later recall. (See “Memory Keys” in Operation section.)

4.The following procedure settings can be used as initial settings for making test welds to determine final settings:

Wire Diamter

 

Arc Voltage

In. (mm)

WFS Setting

Setting

.030 (0.8)

42%

15V

.035 (0.9

39%

16V

3/64 (1.2)

32%

21V

SPOT KEY

Anytime the Spot weld timer is on and the display is in Spool mode, the word SPOT will appear in the bottom left corner of the display.

TYPICAL SPOT KEY PRESS SEQUENCE

Spool screen is displayed prior to pressing Spot key. Spot key is pressed, Spot On timer is activated and the display changes to Spot screen. Spot On timer can now be adjusted using the center arrow keys. Once the timer has been set, pressing the Spot key again returns the display to the original Spool screen with the Spot timer status indi- cated in the bottom left corner.

STITCH KEY

Anytime the Stitch weld timers are on and the display is in Spool mode, the abbrevia- tion STCH will appear in the bottom left cor- ner of the display.

Page 29 Page 31
Image 30
Page 29 Page 31
Contents Safety Depends on You Idealarc SP-255Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Master Table of Contents for ALL Sections Section F Section DSection E AppendixINSTALLATIONA-1 Technical Specifications Idealarc SP-255Input Power and Grounding Connections 2INSTALLATIONSafety Precautions Uncrating the SP-255INSTALLATIONA-3 GUN and Cable InstallationOutput Polarity Connection 4INSTALLATION Shielding GASOPERATIONB-1 Fumes and Gases can be dangerousWelding Capability 2OPERATIONRecommended Processes and Equipment LimitationsStart Mode Selections Process WIRE/GAS KEYOPERATIONB-3 Auto KEY Procedure Keys4OPERATION Typical Auto KEY Press SequencesOPERATIONB-5 Memory KeysTypical Memory Number KEY Press Sequence Timer Keys6OPERATION Spot KEYGUN Switch Keys OPERATIONB-78OPERATION Typical Toggle KEY Press SequenceStep Trigger Interlock Keys Using 4-STEP Trigger Interlock FunctionOPERATIONB-9 Typical Activate KEY Press SequenceProcedure for Changing Drive Roll GUN SwitchesWire Drive Roll Wire Reel LoadingTo Start the Welder Idle Roll Pressure SettingOPERATIONB-11 Feeding ElectrodeMaking AN Auto Mode Weld 12OPERATIONOPERATIONB-13 14OPERATION Wire Feed Overload ProtectionExplanation of Prompting and Error Messages Welding Thermal Overload ProtectionOPERATIONB-15 Operation ACCESSORIESC-1 2ACCESSORIES ACCESSORIESC-3 Disabling Spool GUNIdealarc SP-255 Cable Cleaning MAINTENANCED-1Safety Precautions Routine Maintenance2MAINTENANCE Liner Removal ReplacementMAINTENANCED-3 GUN Handle DisassemblyMagnum 250SP GUN Parts and Accessories Idealarc SP-255 TROUBLESHOOTINGE-1 HOW to USE Troubleshooting GuideProblems Possible Areas Symptoms Misadjustments 2TROUBLESHOOTINGTroubleshooting Guide Authorized Field Service FacilityTROUBLESHOOTINGE-3 4TROUBLESHOOTING Authorized Field Service FacilityContact your local Lincoln TROUBLESHOOTINGE-5 Function Problems6TROUBLESHOOTING Contact your local Lincoln Authorized Field Service FacilityWiring Diagrams SP-255 Wiring Diagram L9688 Dual VoltageWiring Diagrams Dimension Print Page Page Page Page How To Read Shop Drawings $700.00Precaucion Warnung Limited Warranty
Top Page Image Contents