Lincoln Electric SVM155-A - Manual

Lincoln Electric SVM155-A

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Table of Contents:

  • Page 2 – SAFETY; WARNING; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines
  • Page 3 – ii; ELECTRIC SHOCK can kill.
  • Page 4 – iii
  • Page 5 – iv; PRÉCAUTIONS DE SÛRETÉ
  • Page 6 – MASTER TABLE OF CONTENTS FOR ALL SECTIONS
  • Page 7 – TABLE OF CONTENTS
  • Page 8 – INSTALLATION
  • Page 9 – TILTING; STACKING HOLE; Rear Panel; ELECTRIC SHOCK; FALLING EQUIPMENT
  • Page 10 – FUSE AND WIRE SIZES; Note: A qualified electrician should connect the; RECONNECT PROCEDURE; Mount the movable reconnect bar to
  • Page 11 – OUTPUT CONNECTIONS; PARALLELING; MULTI-SOURCE OUTPUT LIMITATIONS
  • Page 12 – NOTES
  • Page 13 – Operation
  • Page 14 – OPERATION; SAFETY INSTRUCTIONS; electrode with skin or wet clothing.
  • Page 15 – GENERAL DESCRIPTION
  • Page 16 – RECOMMENDED EQUIPMENT/CONNECTIONS; DIGITAL METER: Provides the user with; CONTROLS AND SETTINGS
  • Page 17 – Accessories
  • Page 18 – ACCESSORIES
  • Page 19 – Maintenance
  • Page 20 – MAINTENANCE; • Turn the input power OFF at; Perform the following daily:
  • Page 21 – FIGURE D.1 – MAJOR COMPONENT LOCATION; Case Front Assembly
  • Page 23 – FIGURE E.1 – MULTI-SOURCE BLOCK LOGIC DIAGRAM; Theory of Operation Section
  • Page 24 – THEORY OF OPERATION; FIGURE E.2 – INPUT VOLTAGE CIRCUIT
  • Page 25 – TROUBLESHOOTING & REPAIR
  • Page 28 – FIGURE E.5 SCR OPERATION; SCR OPERATION
  • Page 29 – Troubleshooting & Repair Section
  • Page 30 – HOW TO USE TROUBLESHOOTING GUIDE; Step 3. PERFORM COMPONENT TESTS
  • Page 31 – PC BOARD TROUBLESHOOTING PROCEDURES AND REPLACEMENT
  • Page 32 – TROUBLESHOOTING GUIDE; CAUTION; OUTPUT PROBLEMS
  • Page 36 – FUNCTIONS PROBLEMS
  • Page 37 – This procedure takes approximately 30 minutes to perform.
  • Page 38 – TEST PROCEDURE
  • Page 39 – Voltage
  • Page 40 – Thermostat
  • Page 41 – INPUT CONTACTOR TEST; TEST DESCRIPTION
  • Page 42 – Electric Shock can kill.
  • Page 43 – TOP VIEW; FIGURE F.4. INPUT CONTACTOR TEST CONNECTIONS
  • Page 45 – This procedure takes approximately 45 minutes to perform.
  • Page 46 – Input Contactor; Locations; INPUT CONTACTOR
  • Page 47 – Lift Bail; FIGURE F.6. Main Secondary Lead Test Points
  • Page 49 – STATIC SCR TEST
  • Page 50 – FIRING BOARD; Plug J4
  • Page 51 – Leads
  • Page 52 – Anode
  • Page 53 – ACTIVE SCR TEST
  • Page 57 – BATTERY TEST
  • Page 59 – CONTROL BOARD TEST
  • Page 60 – Firing Board
  • Page 61 – ONLY; CONTROL BOARD
  • Page 63 – FIRING BOARD TEST
  • Page 64 – TEST PROCEDURE FOR NORMAL
  • Page 65 – IF; THEN
  • Page 67 – MULTI-SOURCE METER ACCURACY CHECK
  • Page 68 – METER ACCURACY CHECK; Control Board
  • Page 69 – NORMAL OPEN CIRCUIT VOLTAGE; Scope Settings
  • Page 70 – ABNORMAL OPEN CIRCUIT VOLTAGE WAVEFORM; volts
  • Page 71 – TYPICAL SCR GATE VOLTAGE WAVEFORM - NO LOAD
  • Page 73 – INPUT CONTACTOR CLEANING AND/OR REPLACEMENT; DESCRIPTION; This procedure takes approximately 40 minutes to perform.
  • Page 74 – REMOVAL PROCEDURE
  • Page 77 – CONTROL BOARD REPLACEMENT PROCEDURE
  • Page 78 – CONTROL BOARD REPLACEMENT PROCEDURE (Continued); MOUNTING SCREWS
  • Page 79 – FIRING BOARD REPLACEMENT PROCEDURE
  • Page 80 – FIRING BOARD REPLACEMENT PROCEDURE (Procedure)
  • Page 81 – SCR BRIDGE / HEAT SINK ASSEMBLY REPLACEMENT PROCEDURE; This procedure takes approximately 2 Hours to perform.
  • Page 83 – Copper Leads
  • Page 84 – Mounting Bolt
  • Page 87 – MAXIMUM OPEN CIRCUIT VOLTAGE; Open Circuit Volts; PERFORM METER ACCURACY TEST; RETEST AFTER REPAIR; Maximum Idle Amps
  • Page 89 – ELECTRICAL DIAGRAMS
  • Page 90 – MULTI-SOURCE WIRING DIAGRAM
  • Page 91 – SCHEMATIC - CONTROL PC BOARD
  • Page 92 – PC BOARD ASSEMBLY-CONTROL
  • Page 93 – SCHEMATIC - FIRING PRINTED CIRCUIT BOARD
  • Page 94 – PC BOARD ASSEMBLY-FIRING
  • Page 95 – PC BOARD ASSEMBLY - SNUBBER; C 7; T P 7; C 8; T P 8; O U T P U T S N U B B E R; GND
  • Page 96 – SVM ERROR REPORTING FORM; Please give detailed description below:
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SERVICE MANUAL

• World's Leader in Welding and Cutting Products •

• Sales and Service through Subsidiaries and Distributors Worldwide •

Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com

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SVM155-A

July, 2001

For use with machines having Code Numbers:

10668

MULTI-SOURCE

TM

Safety Depends on You

Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However,
your overall safety can be
increased by proper installation .
. . and thoughtful operation on
your part.

DO NOT INSTALL,

OPERATE OR REPAIR THIS
EQUIPMENT WITHOUT
READING THIS MANUAL AND
THE SAFETY PRECAUTIONS
CONTAINED THROUGHOUT.

And, most importantly, think
before you act and be careful.

Retur

n to Master TOC

Retur

n to Master TOC

Retur

n to Master TOC

Retur

n to Master TOC

V

iew Safety Info

V

iew Safety Info

V

iew Safety Info

V

iew Safety Info

Copyright © 2001 Lincoln Global Inc.

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Summary

Page 2 - SAFETY; WARNING; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines

Retur n to Master TOC Retur n to Master TOC Retur n to Master TOC Retur n to Master TOC SAFETY i i MULTI-SOURCE FOR ENGINEpowered equipment. 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ___________________________________...

Page 3 - ii; ELECTRIC SHOCK can kill.

Retur n to Master TOC Retur n to Master TOC Retur n to Master TOC Retur n to Master TOC SAFETY ii ii MULTI-SOURCE ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks andthe rays of the arc when welding or observingopen arc welding. Headshield...

Page 4 - iii

Retur n to Master TOC Retur n to Master TOC Retur n to Master TOC Retur n to Master TOC SAFETY iii iii MULTI-SOURCE FOR ELECTRICALLYpowered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working onthe equipment. 8.b. Install equipment in accordance with the U...

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