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Lincoln Electric SVM166-A manual

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Table of contents for the manual

  • Page 1

    LN- 15 WIRE FEEDER SVM166-A April, 2006 Safety Depends on Y ou Lincoln arc welding and cutting equipment is designed and built with safety in mind. However , your overall safety can be increased by pr oper installation . . . and thoughtful operation on your part. DO NOT INST ALL, OPERA TE OR REP AIR THIS EQUIPMENT WITHOUT READ- ING THIS MANUAL AND [...]

  • Page 2

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC i SAFETY i LN-15 FOR ENGINE powered equipment. 1.a. T urn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventil[...]

  • Page 3

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ii SAFETY ii LN-15 ARC RA YS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Headshield and filter lens should conform to ANSI Z87. I standards. [...]

  • Page 4

    LN-15 SAFETY iii iii Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FOR ELECTRICALL Y powered equipment. 8.a. T urn off input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the man[...]

  • Page 5

    LN-15 SAFETY iv iv Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté[...]

  • Page 6

    LN-15 v v MASTER T ABLE OF CONTENTS FOR ALL SECTIONS Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i-iv Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section A Operation . . . . . . . . . . . . . . . . . . [...]

  • Page 7

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-15 Section A-1 Section A-1 T ABLE OF CONTENTS - INST ALLA TION SECTION - Installation ..............................................................................................................Secti on A T echnical Specifications ..............................[...]

  • Page 8

    LN-15 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC A-2 INST ALLA TION A-2 15-1 10 VDC (5 Amps Maximum) Across the Arc Model 300 Amps 60% Duty Cycle 250 Amps 100% Duty Cycle TEMPERA TURE RANGE OPERA TION: - 40 o C to +50 o C[...]

  • Page 9

    A-3 A-3 LN-15 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC INST ALLA TION SAFETY PRECAUTIONS ELECTRIC SHOCK CAN KILL. • ONL Y QUALIFIED PERSONNEL SHOULD PERFORM THIS INST ALLA TION. • T urn off input power to the power [...]

  • Page 10

    INST ALLA TION LN-15 A-4 A-4 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC WELD CABLE CONNECTIONS ELECTRIC SHOCK CAN KILL. • Only a qualified electrician should connect the electrode leads to the LN-15. Connections should [...]

  • Page 11

    LN-15 INST ALLA TION A-5 A-5 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Work Clamp Electrode Cable Electrode Cable Electrode Cable Work Clamp Work Clamp wire feeder K1870-1 wire feeder K1870-1 RANGER 8 SAE 400 WITH CV ADA[...]

  • Page 12

    LN-15 INST ALLA TION A-6 A-6 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC GUN AND CABLE ASSEMBLIES A variety of Lincoln 10' (3.0m) or 15' (4.6m) gun and cable assemblies are available for use with the LN-15, inclu[...]

  • Page 13

    LN-15 INST ALLA TION A-7 A-7 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FEEDING WIRE ELECTRODE • ELECTRIC SHOCK CAN KILL. • When feeding electrode with the gun trigger , the electrode and wire drive mechanism are alwa[...]

  • Page 14

    LN-15 NOTES A-8 A-8 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC[...]

  • Page 15

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-15 Section B-1 Section B-1 T ABLE OF CONTENTS - OPERA TION SECTION - Operation ................................................................................................................Sectio n B Safety Precautions ..........................................[...]

  • Page 16

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-2 B-2 LN-15 OPERA TION • ELECTRIC SHOCK CAN KILL. Unless using COLD FEED fea- ture, when feeding with gun trig- ger , the electrode and drive mechanism are always electri- ca[...]

  • Page 17

    LN-15 OPERA TION B-3 B-3 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC GENERAL DESCRIPTION The LN-15 is a light weight, portable, durable semi- automatic wire feeder . The LN-15 accommodates spools 8" (200mm) diame- ter[...]

  • Page 18

    OPERA TION LN-15 B-4 B-4 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC 1 2 3 4 5 6 7 3. WIRE FEED SPEED KNOB - The Wire Feed Speed knob is a 3-3/4 turn potentiometer that adjusts of the rate of feeding electrode. The wire fe[...]

  • Page 19

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC OPERA TION B-5 B-5 LN-15 LN-15 POWER-UP SEQUENCE NORMAL POWER-UP DISPLA Y When power is first applied to the LN-15, the display will momentarily show set-up information. For exam[...]

  • Page 20

    LN-15 OPERA TION B-6 B-6 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SPRING TENSION ARM The pressure arm controls the amount of force the drive rolls exert on the wire. Proper adjustment of both pressure arm gives the best[...]

  • Page 21

    LN-15 OPERA TION B-7 B-7 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC 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 t[...]

  • Page 22

    LN-15 OPERA TION B-8 B-8 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SCFH Liter/Min. 10 4.7 20 9.4 30 14.2 40 18.9 50 23.6 60 28.3 70 33.1 80 37.8 SPINDLE BRAKE Adjust the spindle brake tension to allow the spool to spin f[...]

  • Page 23

    LN-15 OPERA TION B-9 B-9 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC CONST ANT CURRENT OPERA TION ( See Figure B.3) Lincoln Electric does NOT recommend constant current semiautomatic welding for applications which need to [...]

  • Page 24

    LN-15 OPERA TION B-10 B-10 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SETTING ARC SENSING WIRE FEED SPEED FOR CONST ANT CURRENT OPERA TION When using a constant current (formerly variable voltage) power source, welding pe[...]

  • Page 25

    LN-15 OPERA TION B-11 B-11 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC MAKING A WELD The serviceability of a product or structure utilizing the LN-15 wire feeder is and must be the sole responsibil- ity of the builder/user[...]

  • Page 26

    LN-15 NOTES B-12 B-12 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC[...]

  • Page 27

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-15 Section C-1 Section C-1 T ABLE OF CONTENTS - ACCESSORIES SECTION - Accessories ............................................................................................................Section C Factory Installed Equipment ...................................[...]

  • Page 28

    LN-15 ACCESSORIES C-2 C-2 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F ACTOR Y INST ALLED EQUIPMENT • K1500-2 Gun Receiver Bushing. WIRE TYPE ELECTRODE SIZE KP KIT Steel Wires: .023-.030" (0.6-0.8mm) KP1696-030S (I[...]

  • Page 29

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-15 Section D-1 Section D-1 T ABLE OF CONTENTS - MAINTENANCE SECTION - Maintenance ...........................................................................................................Section D Routine Maintenance.............................................[...]

  • Page 30

    D-2 D-2 LN-15 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC MAINTENANCE ELECTRIC SHOCK can kill. • Do not operate with covers removed. •T urn off power source before installing or servicing. • Do not touch electrically[...]

  • Page 31

    1 2 3 4 MAINTENANCE D-3 D-3 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FIGURE D.1 – MAJOR COMPONENT LOCA TIONS 1. Molded Case Assembly 2. Control Box Assembly 3. Control Box Cover Assembly 4. Wire Drive & Contactor [...]

  • Page 32

    LN-15 NOTES D-4 D-4 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC[...]

  • Page 33

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-15 Section E-1 Section E-1 Theory of Operation ...............................................................................................Section E General Description ...........................................................................................[...]

  • Page 34

    FIGURE E.2 – GENERAL DESCRIPTION & INPUT POWER CONT ACTOR ELECTRODE INPUT VOL T AGE TOROID ASSEMBL Y FULL WAVE BRIDGE WORK SENSING LEAD ON/OFF SWITCH MOV BOOST POWER SUPPL Y BOARD FEED HEAD BOARD SUPPL Y DRIVE MOTOR SUPPL Y "WORK" VOL T AGE FEEDBACK #21 GAS SOLENOID "ELECTRODE" FEEDBACK VOL T AGE #67 FEED PLA TE M O T O R [...]

  • Page 35

    LN-15 THEOR Y OF OPERA TION TRIGGER AND CONTROL CIRCUITS When the gun trigger is closed (activated) the Feed Head Board is “signaled” to apply armatur e voltage to the drive motor , activate the gas solenoid and close the LN-15 internal contactor . When the con- tactor is closed the welding current path fr om the electrode cable to the conducto[...]

  • Page 36

    LN-15 .THEOR Y OF OPERA TION E-4 E-4 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FIGURE E.4 – WIRE FEED SPEED CONTROL & FEEDBACK CONT ACTOR ELECTRODE INPUT VOL TAGE TOROID ASSEMBL Y FULL WAVE BRIDGE WORK SENSING LEAD[...]

  • Page 37

    THEOR Y OF OPERA TION DISPLA Y BOARD The Display Board pr ovides information to the user through digital displays and LED’ s. The Display Board communicates with the Feed Head Board via the SPI Bus cable. The wire feed speed display shows the rate that the LN-15 will feed wire during the welding pr ocess. The wire feed speed is calibrated to with[...]

  • Page 38

    LN-15 NOTES E-6 E-6 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC[...]

  • Page 39

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-15 Section F-1 Section F-1 T ABLE OF CONTENTS - TROUBLESHOOTING & REP AIR SECTION - Tr oubleshooting & Repair Section ........................................................................Section F How to Use T roubleshooting Guide .....................[...]

  • Page 40

    HOW TO USE TROUBLESHOOTING GUIDE Service and repair should be performed by only Lincoln Electric Factory T rained Personnel. Unauthorized repairs performed on this equipment may r esult in danger to the technician and machine operator and will invalidate your factory warranty . For your safety and to avoid Electrical Shock, please observe all safet[...]

  • Page 41

    LN-15 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-3 F-3 Sometimes machine failures appear to be due to PC board failures. These problems can sometimes be traced to poor electrical connection[...]

  • Page 42

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-4 F-4 PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION FEEDING PROBLEMS Major physical or electrical damage is [...]

  • Page 43

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-5 F-5 TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMEN[...]

  • Page 44

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-15 TROUBLESHOOTING & REP AIR F-6 F-6 PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION FEEDING PROBLEMS The wire stops or stubs while wel[...]

  • Page 45

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-15 TROUBLESHOOTING & REP AIR F-7 F-7 PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION FEEDING PROBLEMS The wire feed motor runs very fas[...]

  • Page 46

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-15 TROUBLESHOOTING & REP AIR F-8 F-8 PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION WELDING PROBLEMS No shielding gas. 1. Make sure th[...]

  • Page 47

    LN-15 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC RESOLUTION DESCRIPTION/ DEFINITION 0081 0082 0086 A verage motor over cur- r ent shutdown Locked rotor condition on the wire drive motor . T rigger lockout. TROUBLESHOOTING[...]

  • Page 48

    LN-15 NOTES F-10 F-10 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC[...]

  • Page 49

    Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty . For your safety and to avoid electrical shock, please observe all safety notes and pre- cautions detailed t[...]

  • Page 50

    LN-15 F-12 F-12 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR TEST PROCEDURE 1. Remove input power to the LN-15. 2. Perform the Cover and Spindle Mount removal procedure. 3. Locate the Boost Pow[...]

  • Page 51

    LN-15 F-13 F-13 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR C9 C10 J47 + - + - R2 R1 R71 R72 R14 R15 R16 FIGURE F .2 – BOOST POWER BOARD 526A Neg. Pos. 501 502 527A FIGURE F .3 – PLUG J47 [...]

  • Page 52

    LN-15 NOTES F-14 F-14 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC[...]

  • Page 53

    LN-15 F-15 F-15 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equi[...]

  • Page 54

    LN-15 F-16 F-16 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR GAS SOLENOID LEADS 552 &553 GAS SOLENOID V AL VE TEST (continued) FIGURE F .4 – LEADS 552 & 553 TEST PROCEDURE 1. Remove pow[...]

  • Page 55

    LN-15 F-17 F-17 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equi[...]

  • Page 56

    LN-15 F-18 F-18 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR LARGE TERMINAL STUDS LEADS 507 & 578 (blue) CONT ACTOR TEST (continued) FIGURE F .5 – CONT ACTOR TEST PROCEDURE 1. Remove input [...]

  • Page 57

    LN-15 F-19 F-19 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equi[...]

  • Page 58

    LN-15 F-20 F-20 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LEADS 550 & 551 TEST PROCEDURE 1. Remove the input power to the LN-15. 2. Perform the W ire Drive Assembly Removal procedure. 3. Locate the Positive lead 550 [...]

  • Page 59

    LN-15 F-21 F-21 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equi[...]

  • Page 60

    Blue (562) Red (563) Black (561) LN-15 F-22 F-22 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TEST PROCEDURE 1. Remove the input power to the LN-15. 2. Perform the W ire Drive Assembly Removal procedure. 3. Locate the three[...]

  • Page 61

    LN-15 F-23 F-23 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equi[...]

  • Page 62

    LN-15 F-24 F-24 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC REMOV AL PROCEDURE 1. Remove the input power to the LN-15. 2. Perform the Roll Cage Removal Procedure. 3. Perform the W ire Drive Assembly Removal procedure. 4. R[...]

  • Page 63

    LN-15 F-25 F-25 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC REPLACEMENT PROCEDURE 1. Install the new contactor using the four screws previously removed. 2. Replace the copper bus bar and cable. 3. Install the the contactor[...]

  • Page 64

    LN-15 NOTES F-26 F-26 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC[...]

  • Page 65

    LN-15 F-27 F-27 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equi[...]

  • Page 66

    LN-15 F-28 F-28 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR FEED HEAD CONTROL BOARD REMOV AL AND REPLACEMENT PROCEDURE (Continued) Figure F .9 - FEED HEAD CONTROL BOARD LOCA TION REMOV AL PROCED[...]

  • Page 67

    LN-15 F-29 F-29 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR FEED HEAD CONTROL BOARD REMOV AL AND REPLACEMENT PROCEDURE (Continued) Figure F .10 - FEED HEAD CONTROL BOARD J81 J82 J83 J84 J85 J86 [...]

  • Page 68

    LN-15 NOTES F-30 F-30 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC[...]

  • Page 69

    LN-15 F-31 F-31 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equi[...]

  • Page 70

    LN-15 F-32 F-32 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR BOOST POWER SUPPL Y BOARD REMOV AL AND REPLACEMENT PROCEDURE (Continued) Figure F .1 1 - BOOST POWER BOARD LOCA TION REMOV AL PROCEDUR[...]

  • Page 71

    LN-15 F-33 F-33 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR BOOST POWER SUPPL Y BOARD REMOV AL AND REPLACEMENT PROCEDURE (Continued) Figure F .12 - BOOST POWER BOARD PLUG/MOUNT LOCA TION C9 C10 [...]

  • Page 72

    LN-15 NOTES F-34 F-34 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC[...]

  • Page 73

    LN-15 F-35 F-35 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equi[...]

  • Page 74

    LN-15 F-36 F-36 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR WIRE DRIVE ASSEMBL Y REMOV AL AND REPLACEMENT PROCEDURE (Continued) Figure F .13 - WIRE DRIVE MOUNTING SCREW LOCA TION REMOV AL PROCED[...]

  • Page 75

    LN-15 F-37 F-37 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equi[...]

  • Page 76

    LN-15 F-38 F-38 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR COVER AND SPINDLE MOUNT REMOV AL AND REPLACEMENT PROCEDURE (Continued) Figure F .14 - COVER AND SPINDLE MOUNT LOCA TION REMOV AL PROCE[...]

  • Page 77

    LN-15 F-39 F-39 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR COVER AND SPINDLE MOUNT REMOV AL AND REPLACEMENT PROCEDURE (Continued) REPLACEMENT PROCEDURE 1. Replace all leads to switches and sole[...]

  • Page 78

    LN-15 F-40 F-40 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC NOTES[...]

  • Page 79

    LN-15 F-41 F-41 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equi[...]

  • Page 80

    LN-15 F-42 F-42 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING AND REP AIR ROLL CAGE REMOV AL AND REPLACEMENT PROCEDURE (Continued) Figure F .16 - ROLL CAGE BOL T LOCA TION REMOV AL PROCEDURE 1. Remove input p[...]

  • Page 81

    LN-15 TROUBLESHOOTING AND REP AIR F-43 F-43 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC RETEST AFTER REP AIR If a failed test indicates that any mechanical part that could affect the machine’ s electri- cal characteristi[...]

  • Page 82

    LN-15 NOTES F-44 F-44 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC[...]

  • Page 83

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-15 Section G-1 Section G-1 T ABLE OF CONTENTS - ELECTRICAL DIAGRAMS SECTION - Electrical Diagrams ...............................................................................................Section G Wiring Diagram (L1 1436-1) . . . . . . . . . . . . . . . . .[...]

  • Page 84

    ELECTRICAL DIAGRAMS G-2 LN-15 WIRING DIAGRAM - ENTIRE MACHINE - (L1 1436-1) PRINT TO 8.5 X 11.0 LN- 15 ACR OSS THE ARC M OD EL CLEVE LAND, OHIO U.S.A. L11436-1 A J1,J86 CAVITY NU MB ER ING SEQUENCE (COMPONENT SIDE OF P.C. BOARD) J81,J82 6 5 10 1 3 4 1 2 J85,J87 9 8 16 1 4 6 1 3 GENE RAL INFO RMATION ELECTRICAL SYMBOLS PER E1537 COLOR CODE B - BLACK[...]

  • Page 85

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ELECTRICAL DIAGRAMS G-3 LN-15 SCHEMA TIC - ENTIRE MACHINE - (G4198-1) EN-170 S O L I D E D G E G419 8- 1 LN-15 (ACROSS THE ARC) MACHINE SCHEMATIC NONE G4198 E. EN YED Y/KJ E. EN [...]

  • Page 86

    ELECTRICAL DIAGRAMS G-4 LN-15 SCHEMA TIC - BOOST PC BOARD - (L1 1818-2) G-4 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master[...]

  • Page 87

    NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is pro- vided for reference only . Lincoln Electric discourages board level troub[...]

  • Page 88

    ELECTRICAL DIAGRAMS G-6 LN-15 SCHEMA TIC - FEEDHEAD P .C. BOARD - (G3883-1E0/1) G-6 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return t[...]

  • Page 89

    ELECTRICAL DIAGRAMS G-7 LN-15 SCHEMA TIC - FEEDHEAD P .C. BOARD - (G3883-1E0/2) G-7 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return t[...]

  • Page 90

    NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is pro- vided for reference only . Lincoln Electric discourages board level troub[...]

  • Page 91

    ELECTRICAL DIAGRAMS G-9 LN-15 SCHEMA TIC - SPI DISPLA Y P .C. BOARD - (L1 1756-1E1) G-9 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Retu[...]

  • Page 92

    NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is pro- vided for reference only . Lincoln Electric discourages board level troub[...]

  • Page 93

    SVM ERROR REPORTING FORM We need to know if there are errors in our manuals. We also value any suggestions as to additional tests or procedures that would make this SVM a better tool for you. If you discover new or different “Problems or Symptoms” that are not covered in the three col- umn troubleshooting chart, please share this information wi[...]