Lincoln Electric UWW-170 manual Changing Liner, Fully seat the liner bushing into the con

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D-4

 

MAINTENANCE

 

D-4

 

 

 

 

 

Slotted

Brass Cable

Set Screw

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5/8” (15.9 mm) Liner Trim Length

Gas Diffuser

Contact Tip (Cam-Lock)

Gas Nozzle or Gasless Nozzle (Slip-Fit)

CHANGING LINER

NOTICE: The variation in cable lengths pre- vents the interchangeability of liners. Once a liner has been cut for a particular gun, it should not be installed in another gun unless it can meet the liner cutoff length require- ment. Refer to Figure D.2a or D.2b.

1.

Remove the gas nozzle from the gun

 

(threadless slip-fit or threaded).

2.

Remove the existing contact tip from the

 

gun by twisting counter-clockwise (cam-

 

lock) or unscrewing (threaded).

3.

Remove the gas diffuser from the gun

Liner Assembly

(Liner bushing to be seated tight against brass cable connector)

FIGURE D.2a

Liner trim length for gun with black trigger (Lincoln Electric®)

 

tube by unscrewing counter-clockwise.

4.

Lay the gun and cable out straight on a

 

flat surface. Loosen the set screw located

 

in the brass connector at the wire feeder

 

end of the cable. Pull the liner out of the

 

cable.

5.

Insert a new untrimmed liner into the con-

 

nector end of the cable. Be sure the liner

 

bushing is stenciled appropriately for the

 

wire size being used.

6.

Fully seat the liner bushing into the con-

Slotted

Brass Cable

Set Screw

Connector

Liner Assembly

(Liner bushing to be seated tight against brass cable connector)

1-1/4 (31.8 mm) Liner Trim Length

Gas Diffuser

Contact Tip (Threaded)

Gas Nozzle or Gasless Nozzle (Threaded)

nector. Tighten the set screw on the brass

cable connector. At this time, the gas dif-

fuser should not be installed onto the end

of the gun tube.

7. With the gas nozzle and diffuser removed

from the gun tube, be sure the cable is

straight, and then trim the liner to the

length shown in the Figure D.2a or D.2b.

Remove any burrs from the end of the

liner.

8. Screw the gas diffuser onto the end of the

gun tube and securely tighten.

FIGURE D.2b

Liner trim length for gun with red trigger (Magnum™ 100L)

9. Replace the contact tip and nozzle.

SP 170-I

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Contents SP 170-I and UWW-170 California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéPlease Examine Carton and Equipment For Damage Immediately Thank YouTable of Contents Installation Safety Precautions 2INSTALLATIONA-2Identify and Locate Components Electric Shock can killLimitations Select Suitable LocationOutput Connections StackingWork Cable Installation GUN InstallationConnecting Gun Cable to the SP GAS ConnectionInput Connections Power Input Cable230 50/60 Line Cord ConnectionOperational Features and Controls Design Features AdvantagesOperation General DescriptionWelding Capability Controls and SettingsFriction Brake Adjustment Wire LoadingWelding Operations Sequence of OperationFigure B.4 Process Guidelines Cleaning Tip And NozzleMaking a Weld Welding with Gmaw MIG Changing Machine Over to Feed Other Wire SizesOverload Protection Learning to Weld Learning to WeldARC-WELDING Circuit SELF-SHIELDED Fcaw Welding ARCProcess Selection Gmaw MIG Welding ARCFor Gmaw MIG Process Joint Types and Positions Common MetalsFor Fcaw Innershield Process Butt WeldsPenetration Welding In The Vertical PositionFillet Welds Welding Techniques for the SELF- Shielded Fcaw Process Machine SET UP for the SELF-SHIELDED Fcaw ProcessVertical-down Welding Correct Welding PositionCorrect Welding Speed Correct Electrical Stickout ESOPractice Helpful HintsWelding Techniques for the Gmaw MIG Process Machine SET UP for the Gmaw MIG ProcessFor the SP 170-I, use the following To Eliminate a Ropy Convex Bead in order of importance Troubleshooting WeldsTo Correct Poor Penetration in order of impor- tance To Eliminate Stubbing* in order of importanceProper Gun Handling Output Polarity Application ChartDrive Roll Orientation Optional Accessories AccessoriesK464 .035 0.9 mm Innershield Welding Kit K491 .045 1.2 mm Innershield Welding KitInnershield Fcaw Conversion Replacement PartsMaintenance Safety Precautions MaintenanceRoutine Maintenance Configuration of Components in Wire Feeding System GUN and Cable MaintenanceGun Cable Cleaning Contact Tip Cable Liner Drive RollChanging Drive Roll SP 170-I only Component Replacement ProceduresChanging Drive Roll UWW-170 only Fully seat the liner bushing into the con Changing LinerGUN Handle Parts red trigger GUN Handle Parts black triggerHOW to USE Troubleshooting Guide TroubleshootingRecommended Course of Action Problems Possible Areas Symptoms MisadjustmentsGAS Flow Problems Welding Problems Wiring WiringPage New Lessons in Arc Welding How To Read Shop DrawingsNeed Welding Training? $700.00Precaucion Warnung
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