Lincoln Electric 7FH Procedure to Install Drive Roll and Guide Tubes, Steel Wire Sizes Roll

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Wire Feed Drive Roll and Guide Tube Kits

NOTE: The maximum sizes the Synergic 7F will feed satisfactorily are the 3/32” (2.4mm) cored and

1/16” (1 . 6mm) solid electrodes . The maximum sizes the synergic 7FH will feed satisfactorily are the .045 (1.2mm) cored and

.045” (1.2mm) solid electrodes.

The electrode sizes that can be fed with each roll and guide tube are stencilled on each part. Check the kit for proper components.

Steel Wire Sizes:

4-Roll

*

.068 - 3/32” (1.7 - 2.4mm) Cored

KP655-3/32

*

1/16” (1.6mm) Cored or Solid

KP655-1/16

 

.045 - .052” (1.2 - 1.4mm) Solid

KP655-052S

 

.045 - .052” (1.2 - 1.4mm) Cored

KP655-052C

 

.035” (0.9-1.0mm) Cored

KP655-035C

 

.035” (0.9-1.0mm) Solid

KP655-035S

 

.030” (0.8mm) Solid

KP655-030S

 

.023” (0.6mm) Solid

KP655-025S

Aluminum Wire Sizes:

 

 

1/16” (1.6mm)

KP656-1/16A

 

 

KP647-1/16A**

 

3/64” (1.2mm)

KP656-3/64A

 

 

KP647-3/64A**

 

.040” (1.0mm)

KP647-040A**

 

.035” (0.9mm)

KP656-035A

Drive rolls for only cored electrode sizes are stencilled with a “C” suffix to the wire sizes.

Drive rolls for only solid electrode sizes are stencilled with an “S” suffix to the wire sizes.

Drive rolls for aluminum wire sizes are stencilled with an “A” suffix to the wire sizes.

* Not for Synergic 7H model.

**For use with Binzel European guns. Installation instructions are included with these kits.

PROCEDURE TO INSTALL DRIVE ROLL AND GUIDE TUBES

WARNING

ELECTRIC SHOCK can kill.

Do not touch electrically live parts such as output terminals or internal wiring.

When inching with gun trigger, electrode and drive mechanism are “hot” to work and ground.

Turn OFF welding power source before installing or changing drive roll and/or guide tubes.

Welding power source must be connected to system ground per the National Electrical Code or any applicable local codes.

Only qualified personnel should perform this installation.

Observe all additional Safety Guidelines detailed throughout this manual.

Standard 4-Roll Kits (KP571 and KP572)

1)Turn off welding power source.

2)Release both quick release levers by sliding the levers sideways into the open positions.

3)Remove hex screw & clamping collar from the drive shaft closest to the incoming side of the feeder.

4)Install drive roll onto keyed shaft. Double grooved drive rolls are to be installed with side stencilled for correct wire size facing out and with slotted spacer on top of roll. Two piece drive rolls use a spacer between the rolls for .068” (1.7mm) and larger wire sizes. (Do not exceed the maximum wire size rating of the wire drive.) Replace collar and tighten clamping screw.

5)Back out the set screw for the middle guide tube. Install the middle guide tube and slide it up against the drive roll. DO NOT TIGHTEN THE MIDDLE GUIDE AT THIS TIME.

6)Install the outgoing drive roll following the same procedure as steps 3 & 4.

7)Center the middle guide between the two drive rolls and tighten in place.

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Contents Synergic 7F and Synergic 7FH ARC Welding can be hazardous Apr. ‘93Cylinder may explode if damaged Mar. ‘93Précautions DE Sûreté Sûreté Pour Soudage a L’ArcTable of Contents Please Examine Carton and Equipment For Damage Immediately General Description Standard FeaturesWire Feed Features Recommended Processes and EquipmentControl Features Keypad Seven key, membrane type with snap tactile feel Causes mode lights to sequenceY P a D a N D D I S P L a Y Description Top to bottom starting fromOptional Features Drive Roll and Guide Tube KitsMiscellaneous Options Model Specifications for Synergic 7F Synergic 7FHType K678-1 K679-1 K679-2 Wire Speed Range Installation Safety PrecautionsSteel Wire Sizes Roll Procedure to Install Drive Roll and Guide TubesWire Feed Drive Roll and Guide Tube Kits Aluminum Wire SizesGmaw Guns Gun and Cable Assemblies with Standard L. E. ConnectionsGun Cable Connection Innershield GunsGmaw Shielding Gas Gun Cable Connections Wire Feeder to GunSynergic 7F Water Connections for Water-Cooled Guns Current Electrical InstallationWork Cable 60% Duty Cycle Up to 100 ft Length 30mInstallation section for instructions Optional Features InstallationK648 or K649 Input Cable Assembly See Electrical Operating Instructions Power-Down SaveOperation Keys Mode Selection Current indicated positionDisplay Control Keys Run-In Selection Acceleration SelectionSelection of English or Metric Speed Display Units To Mount 10 to 44 lb 4.5-20kg Spool 12/300mm Diameter Step Trigger Mode SelectionFeeding Electrode and Brake Adjustment To Mount a 50-60lb 22.7-27.2kg Coil Feeding ElectrodeGas Guard Regulator Setting Optional K659-1 Wire Loading of 13-14lb 6kg Innershield CoilsIdle Roll Pressure Setting Making a Weld Wire Reel ChangingWire Feed Overload Protection Explanation of Prompting Error Messages Wire Reel Mounting 50 22.7kg and 60lb 27.2kg Coils MaintenanceRoutine Maintenance Avoiding Wire Feeding ProblemsTroubleshooting Guide Problems Communications in control cableProblems When trigger is closed and no For continuity Refer to WiringWiring & connections Gun connector Trigger sockets on gun connectorProblems Cold Feed key does not turn Defective keypad or Display PC For replacing PC boards Problems with serial Dual Procedure is not Gun has not been selected atWith the remote switch open. If a Troubleshooting information. SeeHXX Procedure for Replacing PC Boards Electric Shock can kill Switch RequirementsInside Input I NControl BOX Dimension Print Wire Feed Unit Dimension Print Need Welding Training? How To Read Shop DrawingsNew Lessons in Arc Welding $700.00Precaucion Warnung