Lincoln Electric IM847-D

F-6

DIMENSION PRINTS

F-6

LF-72

BENCH MODEL HEAVY DUTY

Contents

Main LF-72 WIRE FEEDER OPERATORS MANUAL IM847-D Safety Depends on You IP21 IEC 60974-5 FOR ENGINE powered equipment. i ELECTRIC AND MAGNETIC FIELDS may be dangerous ii Jan 09 ARC RAYS can burn. ELECTRIC SHOCK can kill. FUMES AND GASES can be dangerous. iii FOR ELECTRICALLY powered equipment. CYLINDER may explode if damaged. Refer to http://www.lincolnelectric.com/safetyfor additional safety information. WELDING and CUTTING SPARKScan cause fire or explosion. Jan 09 PRCAUTIONS DE SRET PRCAUTIONS DE SRET POUR LES MACHINES SOUDER TRANSFORMATEUR ET REDRESSEUR v vTABLE OF CONTENTS TThhaannkk YYoouufor selecting a QUALITYproduct by Lincoln Electric. We want you Please Examine Carton and Equipment For Damage Immediately On-Line Product Registration vi vi TABLE OF CONTENTS vii A-1 TECHNICAL SPECIFICATIONS INPUT POWER A-1 : LF-72 Wire Feeder SAFETY PRECAUTION LOCATION ELECTRIC SHOCK can kill. MOUNTING Page A-4 SAFETY PRECAUTION ELECTRIC SHOCK can kill. WELD CABLE SIZES A-5 A-5 COAXIAL WELD CABLES WELD CABLE CONNECTION Electrode Work Work ANALOG CONTROL CABLE CONTROL CABLE CONNECTIONS A-7 A-7 ANALOG MILLER CONTROL CABLE ADAPTER K2335-1 MILLER POWER SOURCE LINCOLN WIRE FEEDER WELDING GUN/WIRE FEEDER TRIGGER CONNECTOR WIRE DRIVE SYSTEMS Page WIRE DRIVE CONFIGURATION PROCEDURE FOR CHANGING DRIVE AND IDLE ROLL SETS A-10 WARNING WARNING A-11 A-11 PRESSURE ARM ADJUSTMENT WIRE REEL LOADING A-12 A-13 WELD WIRE ROUTING A-14 A-14 SHIELDING GAS CONNECTION A-15 "O" RING INSTALLING ELECTRODE CONDUIT KITS A-16 ALUMINUM WIRE PREPARATIONS Page A-18 A-18 TYPICAL SYSTEM CONFIGURATIONS SAFETY PRECAUTIONS B-2 COMMON WELDING ABBREVIATIONS PRODUCT DESCRIPTION RECOMMENDED PROCESSES REQUIRED EQUIPMENT FRONT PANEL CONTROLS AND CONNECTIONS B-4 5. 1. REMOTE VOLTAGE CONTROL KIT 2. BURNBACK AND POSTFLOW TIMER KIT 3. THERMAL LED, MOTOR OVERLOAD B-5 8. 6. WIRE FEED SPEED KNOB 7. GUN RECEIVER BUSHING (K1500-2) TRIGGER CONNECTOR 5-PIN AMPHENOL C-1 C-2 C-3 C-4 D-1 MAINTENANCE D-1 MAINTENANCE Safety Precautions ROUTINE MAINTENANCE MAINTENANCE D-2 FIGURE D.1 FIGURE D.2 E-1 HOW TO USE TROUBLESHOOTING GUIDE ELECTRIC SHOCK can kill. E-2 PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENTS(S) RECOMMENDED COURSE OF ACTION E-3 PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENTS(S) RECOMMENDED COURSE OF ACTION F-1 LF-72 FEEDER (11075, 11076, 11077) N.D. PIN NEAREST THE FLAT EDGE OF LED LENS ALIGNS WITH WHITE LEAD OF LED SOCKET. N.C. TOGGLE SWITCHES AND POTENTIOMETERS SHOWN FROM CONNECTION SIDE OF SWITCH. N.B. CAVITY NUMBERING SEQUENCE AS VIEWED FROM LEAD SIDE OF CONNECTOR. L1 LF-72 FEEDER (FOR CODES 11209, 11210, 11211 11227) N.D. PIN NEAREST THE FLAT EDGE OF LED LENS ALIGNS WITH WHITE LEAD OF LED SOCKET. N.C. TOGGLE SWITCHES AND POTENTIOMETERS SHOWN FROM CONNECTION SIDE OF SWITCH. N.B. CAVITY NUMBERING SEQUENCE AS VIEWED FROM LEAD SIDE OF CONNECTOR. N.A. CAVITY NUMBERING SEQUENCE AS VIEWED FROM COMPONENT SIDE OF BOARD. DIAGRAMS Page Page Page AVISO DE PRECAUCION ATTENTION WARNUNG ATENO AVISO DE PRECAUCION ATTENTION WARNUNG ATENO