Lincoln Electric IM847-D manual Procedure for Changing Drive and Idle Roll Sets

Page 18

A-10

INSTALLATION

A-10

 

 

 

PROCEDURE FOR CHANGING DRIVE AND IDLE ROLL SETS

(See Figure A.4 )

WARNING

ELECTRIC SHOCK can kill.

•Turn the input power OFF at the welding power source before instal- lation or changing drive rolls and/or guides.

•Do not touch electrically live parts.

•When inching with the gun trigger, electrode and drive mechanism are "hot" to work and ground and could remain energized several sec- onds after the gun trigger is released.

•Only qualified personnel should perform mainte- nance work.

------------------------------------------------------------------------

1.Turn power off at the welding power source.

2.Release the idle roll pressure arm.

3.Remove the outer wire guide by turning the knurled thumbscrews counter-clockwise to unscrew them from the feed plate.

4.Rotate the triangular lock and remove the drive

rolls.

FIGURE A.4

WIRE DRIVE CONFIGURATION

(See Figure A.5)

Changing the Gun Receiver Bushing

WARNING

ELECTRIC SHOCK can kill.

•Turn the input power OFF at the dis- connect switch or fuse box before attempting to connect or discon- nect input power lines, output cables or control cables.

•Only qualified personnel should perform this installation.

------------------------------------------------------------------------

Tools required:

• 1/4" hex key wrench

Note: Some gun bushings do not require the use of the thumb screw.

1.Turn power off at the welding power source.

2.Remove the welding wire from the wire drive.

3.Remove the thumb screw from the wire drive.

4.Remove the welding gun from the wire drive.

5.Loosen the socket head cap screw that holds the connector bar against the gun bushing. Important: Do not attempt to completely remove the socket head cap screw.

6.Remove the outer wire guide, and push the gun bushing out of the wire drive. Because of the pre- cision fit, light tapping may be required to remove the gun bushing.

5.Remove the inner wire guide.

6.Insert the new inner wire guide, groove side out, over the two locating pins in the feed plate.

7.Install a drive roll on each hub assembly secure with the triangular lock.

8.Install the outer wire guide by aligning it with the pins and tightening the knurled thumbscrews.

9.Close the idle arm and engage the idle roll pres- sure arm. Adjust the pressure appropriately.

FIGURE A.5

THUMB SCREW

GUN RECEIVER BUSHING

OUTER WIRE GUIDE

CONNECTOR BLOCK

SOCKET HEAD

CAP SCREW

LOOSEN TIGHTEN

LF-72

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Contents LF-72 Wire Feeder Safety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcTable of Contents Thank YouSection a Section BSection C Section F Section DSection E P-622Installation Amp Rating Duty CycleSafety Precaution LocationMounting Boom Mount Bench MountSwivel Mount SuspendedElectric Shock can Kill Weld Cable SizesCoaxial Weld Cables Weld Cable Connection6INSTALLATIONA-6 Analog Control CableControl Cable Connections Miller Power Source Lincoln Wire Feeder Analog Miller Control Cable Adapter K2335-1 Pin Function Remote Sense Lead Specifications Wire Drive SystemsWelding GUN/WIRE Feeder Trigger Connector High Frequency ProtectionWelding GUNS, Torches and ACCES- Sories Figure A.3Procedure for Changing Drive and Idle Roll Sets Wire Drive ConfigurationPressure ARM Adjustment Gun Receiver For use With BushingSet the pressure arm as follows See Figure A.6 Loading 16 to 44 lb .3 20kg Spools See figure A.8 Wire Reel LoadingSpindle Placement Loading 30 lb .6 kg Readi-Reels See Figure A.9Weld Wire Routing Figure A.9Shielding GAS Connection Installing Electrode Conduit Kits Figure A.10a For Codes 11209, 11210, 11211 and aboveAluminum Wire Preparations Figure A.12a For Codes 11209, 11210, 11211 and aboveBase Model Bench Model Standard Duty Bench Model Heavy Duty Typical System Configurations 15, Magnum15’, Magnum Pro Safety Precautions OperationRecommended Processes Common Welding AbbreviationsProduct Description Required EquipmentFront Panel Controls and Connections Figure B.1 DescriptionStep Trigger Interlock Switch Burnback and Postflow Timer KITCold FEED/GAS Purge Switch Remote Voltage Control KITGUN Receiver Bushing K1500-2 Wire Feed Speed KnobTrigger Connector 5-PIN Amphenol Trigger InterlockAccessories Optional KitsOptional Kits Accessories Key Routine Maintenance MaintenanceMaintenance Periodic MaintenanceSee Figure D.2 For Codes below 11289 use 9 thruFor Codes above 11290 use Troubleshooting HOW to USE Troubleshooting GuideOutput Problems Installed Wiring Diagram LF-72 Feeder 11075, 11076LF-72 Feeder for Codes 11209, 11210, 11211 L12146-1Diagrams Diagrams Dimension Prints Bench Model Bench Model Standard DutyBench Model Heavy Duty Precaucion Warnung
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