Lincoln Electric IM724 manual GUN and Cable Maintenance, For Magnum 100L GUN

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D-2

 

MAINTENANCE

 

D-2

 

 

 

 

 

GUN AND CABLE

MAINTENANCE

FOR MAGNUM™ 100L GUN

Gun Cable Cleaning

Clean cable liner after using approximately 300 lbs (136 kg) of solid wire or 50 lbs (23 kg) of flux-cored wire. Remove the cable from the wire feeder and lay it out straight on the floor. Remove the contact tip from the gun. Using low pressure air, gently blow out the cable liner from the gas diffuser end.

CAUTION

Excessive pressure at the start may cause the dirt to form a plug.

Flex the cable over its entire length and again blow out the cable. Repeat this procedure until no further dirt comes out.

Contact Tips, Nozzles, and Gun Tubes

1.Dirt can accumulate in the contact tip hole and restrict wire feeding. After each spool of wire is used, remove the contact tip and clean it by push- ing a short piece of wire through the tip repeatedly. Use the wire as a reamer to remove dirt that may be adhering to the wall of the hole through the tip.

2.Replace worn contact tips as required. A variable or “hunting” arc is a typical symptom of a worn con- tact tip. To install a new tip, choose the correct size contact tip for the electrode being used (wire size is stenciled on the side of the contact tip) and screw it snugly into the gas diffuser.

3.Remove spatter from inside of gas nozzle and from tip after each 10 minutes of arc time or as required.

4.Be sure the gas nozzle is fully screwed onto the

diffuser for gas shielded processes. For the Innershield® process, the gasless nozzle should be screws onto the diffuser.

5.To remove gun tube from gun, remove gas nozzle or gasless nozzle and remove diffuser from gun tube. Remove both collars from each end of the gun handle and separate the handle halves. Loosen the locking nut holding the gun tube in place against the gun end cable connector. Unscrew gun tube from cable connector. To install gun tube, screw the locking nut on the gun tube as far as possible. Then screw the gun tube into the cable connector until it bottoms. Then unscrew (no more than one turn) the gun tube until its axis is perpendicular to the flat sides of the cable connec- tor and pointed in the direction of the trigger. Tighten the locking nut so as to maintain the proper relationship between the gun tube and the cable connector. Replace the gun handle, trigger and dif- fuser. Replace the gas nozzle or gasless nozzle.

CONFIGURATION OF COMPONENTS IN WIRE FEEDING SYSTEM

 

Contact Tip

Cable Liner

Drive Roll

 

 

 

 

Components shipped with

S19726-1

M16291-6

KP665-035

SP-135T•

.025” (0.6mm)

.035” (0.9mm)

2 Smooth grooves

 

 

 

Small .023-.025 (0.6mm)

 

 

 

Large .030” (0.8mm)

K549-1 .035”(0.9mm)

S19726-3

M16291-6

KP665-035 - Use Large groove

Innershield Welding Kit

.035” (0.9mm)

.035 (0.9mm)

 

 

 

 

 

K664-2 .035 (0.9mm)

S24221-1

M18971-1

M19631

Aluminum or Stainless Kit*

.035A (0.9mm)

.035” (0.9mm)

 

 

 

 

 

 

 

 

 

•If .030 Solid wire feeding is desired obtain an S19726-2 Contact Tip.

*It is important when changing between welding with steel wire and aluminum to exchange feeding components due to the lubricant applied to steel wire. Failure to do so may result in contaminated welds when welding aluminum.

SP-135T

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Contents SP-135T 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 YouMaster Table of Contents for ALL Sections Technical Specifications SP-135T InstallationElectric Shock can kill Safety PrecautionsIdentify and Locate Components Stacking Work Clamp InstallationSelect Suitable Location Output ConnectionsGAS Connection GUN InstallationWork Cable Installation Connecting Gun Cable to the SP-135TFigure A.5 Requirements For Rated Output Input ConnectionsCode Requirements for Input Connections Recommended Processes Design FeaturesOperation General DescriptionLimitations Controls and SettingsWelding Capability Sequence of Operation Wire LoadingWelding Operations Wire Threading Friction Brake AdjustmentMaking a Weld Cleaning Tip And NozzleProcess Guidelines Overload Protection Changing Machine Over to Feed Other Wire SizesWelding with Gmaw MIG SELF-SHIELDED Fcaw Welding ARC Learning to WeldLearning to Weld ARC-WELDING CircuitProcess Selection Gmaw MIG Welding ARCFor Fcaw Innershield Process Common MetalsJoint Types and Positions For Gmaw MIG ProcessFillet Welds Welding In The Vertical PositionPenetration Correct Welding Position Machine SET UP for the SELF-SHIELDED Fcaw ProcessWelding Techniques for the SELF- Shielded Fcaw Process Vertical-down WeldingCorrect Welding Speed Correct Electrical Stickout ESOPractice Helpful HintsWelding Techniques for the Gmaw MIG Process Machine SET UP for the Gmaw MIG ProcessFor the SP-135T, use the following To Eliminate Stubbing* in order of importance Troubleshooting WeldsTo Eliminate a Ropy Convex Bead in order of importance To Correct Poor Penetration in order of impor- tanceProper Gun Handling Application Chart K549-1 .035 0.9 mm Innershield Welding Kit AccessoriesOptional Accessories K586-1 Deluxe Adjustable Gas Regulator Hose KitInnershield Fcaw Replacement Parts Conversion Routine Maintenance MaintenanceMaintenance Safety Precautions Contact Tip Cable Liner Drive Roll GUN and Cable MaintenanceConfiguration of Components in Wire Feeding System For Magnum 100L GUNChanging Drive Roll Component Replacement ProceduresChanging the Contact TIP Liner trim length Changing LinerGUN Handle Parts HOW to USE Troubleshooting Guide TroubleshootingRecommended Course of Action Problems Possible Areas Symptoms MisadjustmentsFacility Contact your local Lincoln Authorized Field ServiceWelding Problems SP-135T Wiring Diagram DiagramsSP-135T Precaucion
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