Lincoln Electric 7FH manual Table of Contents

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TABLE OF CONTENTS
		Page
GENERAL DESCRIPTION		7
RECOMMENDED PROCESSES AND EQUIPMENT		7
STANDARD FEATURES		7
Wire Drive Features		7
Control Features		8
KEYPAD AND DISPLAY DESCRIPTION		9
OPTIONAL FEATURES		10-11
Drive Roll and Guide Tube Kits		10
Input Cable Assemblies		10
Wire Reel Assemblies		10
Readi-Reel Adapters		11
Spindle Adapters		11
Gun and Cable Assemblies		11
Miscellaneous Options		11
SPECIFICATIONS		12
INSTALLATION		13
Installation of Synergic 7F Components		14
Wire Feed Drive Roll and Guide Tube Kits		14
PROCEDURE TO INSTALL DRIVE ROLL AND GUIDE TUBES		14
Standard 4-Roll Kits (KP571 and KP572)		14
Gun and Cable Assemblies		15-16
Synergic 7F Water Connections (For Water-Cooled Guns)		16
GMAW Shielding Gas with Gas Guard Regulator		16
Electrical Installation		17
Input Cable: Synergic 7F Wire Feeder to Invertec Synergic Type Power Sources		...17
Work Cable		17
OPTIONAL FEATURES INSTALLATION		18
OPERATING INSTRUCTIONS		19-26
Keypad Setup and Operation		19
Power-Down Save		19
Operation Keys		19
Mode Selection		19
Display Control Keys		20
Timer/Crater Select		21
Acceleration Selection		21
Selection of English or Metric Speed Display Units		21
Run-In Selection		21
4-Step Trigger Mode Selection		22
Wire Reel Loading - Readi-Reels and Spools		22-24
Feeding Electrode and Brake Adjustment		22
Adjustable Wire Reel Brake		23
Idle Roll Pressure Setting		24
Gas Guard Regulator Setting		24
Making a Weld		25
Wire Reel Changing		25
Wire Feed Overload Protection		25
Explanation of Prompting and Error Messages		26
MAINTENANCE		27
Routine Maintenance		27
Avoiding Wire Feeding Problems		27
Periodic Maintenance		27
TROUBLESHOOTING GUIDE		28-35
Procedure for Replacing PC Boards		36
Gun Cable Connector Requirements to Permit Proper Connection to Wire Feed Unit		...36
WIRING DIAGRAM		37
CONNECTION DIAGRAM		38
DIMENSION PRINTS		39-40
PARTS MANUAL	P-266 Series

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Contents Synergic 7F and Synergic 7FH Apr. ‘93 ARC Welding can be hazardousMar. ‘93 Cylinder may explode if damagedSûreté Pour Soudage a L’Arc Précautions DE SûretéTable of Contents Please Examine Carton and Equipment For Damage Immediately Wire Feed Features Standard FeaturesGeneral Description Recommended Processes and EquipmentControl Features Y P a D a N D D I S P L a Y Description Causes mode lights to sequenceKeypad Seven key, membrane type with snap tactile feel Top to bottom starting fromDrive Roll and Guide Tube Kits Optional FeaturesMiscellaneous Options Model Specifications for Synergic 7F Synergic 7FHType K678-1 K679-1 K679-2 Wire Speed Range Safety Precautions InstallationWire Feed Drive Roll and Guide Tube Kits Procedure to Install Drive Roll and Guide TubesSteel Wire Sizes Roll Aluminum Wire SizesGun Cable Connection Gun and Cable Assemblies with Standard L. E. ConnectionsGmaw Guns Innershield GunsGmaw Shielding Gas Gun Cable Connections Wire Feeder to GunSynergic 7F Water Connections for Water-Cooled Guns Work Cable Electrical InstallationCurrent 60% Duty Cycle Up to 100 ft Length 30mInstallation section for instructions Optional Features InstallationK648 or K649 Input Cable Assembly See Electrical Operation Keys Mode Selection Power-Down SaveOperating Instructions 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 Feeding Electrode To Mount a 50-60lb 22.7-27.2kg CoilGas 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 Routine Maintenance MaintenanceWire Reel Mounting 50 22.7kg and 60lb 27.2kg Coils Avoiding Wire Feeding ProblemsTroubleshooting Guide Communications in control cable ProblemsProblems Wiring & connections For continuity Refer to WiringWhen trigger is closed and no Gun connector Trigger sockets on gun connectorProblems Cold Feed key does not turn Defective keypad or Display PC With the remote switch open. If a Dual Procedure is not Gun has not been selected atFor replacing PC boards Problems with serial Troubleshooting information. SeeHXX Switch Requirements Procedure for Replacing PC Boards Electric Shock can killInside I N InputControl BOX Dimension Print Wire Feed Unit Dimension Print New Lessons in Arc Welding How To Read Shop DrawingsNeed Welding Training? $700.00Precaucion Warnung