Advertisement

Quick Links

Migmatic 171
OM-208 781A
2006−05
Effective with serial number 222 344
Processes
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
Description
Arc Welding Power Source and
Wire Feeder

Advertisement

Table of Contents
loading

Summary of Contents for Miller Migmatic 171

  • Page 1 OM-208 781A 2006−05 Effective with serial number 222 344 Processes MIG (GMAW) Welding Flux Cored (FCAW) Welding Description Arc Welding Power Source and Wire Feeder Migmatic 171...
  • Page 2 From Miller to You Thank you and congratulations on choosing Miller. Now you can get the job done and get it done right. We know you don’t have time to do it any other way. That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ....... . . 1-1.
  • Page 4 Via Privata Iseo 6/E Phone: 39(02)98290-1 20098 San Giuliano Milanese, Italy Phone: 39(02)98290-1 Fax: 39(02)98290203 European Contact Signature: Migmatic 171 Declares that this product: conforms to the following Directives and Standards: Directives Low Voltage Directive: 73/23/EEC Electromagnetic compatibility Directives: 89/336/EEC Machinery Directives: 89/392/EEC...
  • Page 5: Section 1 − Safety Precautions - Read Before Using

    SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _3/05 Y Warning: Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols.
  • Page 6 ARC RAYS can burn eyes and skin. BUILDUP OF GAS can injure or kill. D Shut off shielding gas supply when not in use. Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays D Always ventilate confined spaces or use that can burn eyes and skin.
  • Page 7: Additional Symbols For Installation, Operation, And Maintenance

    D Read Owner’s Manual before using or servic- support unit. ing unit. D If using lift forks to move unit, be sure forks are D Use only genuine Miller/Hobart replacement long enough to extend beyond opposite side of parts. unit.
  • Page 8: Principal Safety Standards

    1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada (phone: from Global Engineering Documents (phone: 1-877-413-5184, website: 800−463−6727 or in Toronto 416−747−4044, website: www.csa−in- www.global.ihs.com). ternational.org). Practice For Occupational And Educational Eye And Face Protection, Recommended Safe Practices for the Preparation for Welding and Cut- ANSI Standard Z87.1, from American National Standards Institute, 11 ting of Containers and Piping, American Welding Society Standard...
  • Page 9: Section 2 − Installation

    SECTION 2 − INSTALLATION 2-1. Specifications Rated Input Amperage at Rated Output Rated Output Max. Open Max. Open 100% 230 V Circuit Voltage Model Dimension (mm) Weight (kg) 70 A 100 A 150 A 300 x 400 x 510 17,5 V 19 V 21,5 V Wire feed speed range 1,8 mpm to 18 mpm.
  • Page 10: Volt-Ampere Curves

    2-3. Volt-Ampere Curves Normal Volt-Amperage Curves Model 171 The volt-ampere curves show the nor- mal minimum and maximum voltage and amperage output capabilities of the welding power source. Curves of other settings fall between the curves shown. Overload Volt-Ampere Curves When unit is beyond capacity, circuitry senses the overload and shuts down unit output.
  • Page 11: Installing Drive Roll And Wire Inlet Guide

    2-5. Installing Drive Roll and Wire Inlet Guide Securing Screw Inlet Wire Guide Loosen screw. Slide tip as close to drive rolls as possible without touch- ing. Tighten screw. Wire Tension Wheel Drive Roll Install correct drive roll for wire size and type.
  • Page 12: Selecting A Location And Connecting Input Power

    2-7. Selecting a Location and Connecting Input Power Have only qualified persons make this installation. Rating Label Supply correct input power. 457 mm for air flow GND/PE GND/PE Connect first ST-801 721 OM-208 781 Page 8...
  • Page 13: Section 3 − Operation

    SECTION 3 − OPERATION 3-1. Controls Handle Wire Speed Control 6 Position Voltage Control Power Switch with Pilot Light Thermal Overload Pilot Light Polarity Change Over Cable Negative Power Source Terminal Positive Power Source Connector Work Connection 10 Torch Connector OM-208 781 Page 9...
  • Page 14: Section 4 − Maintenance And Troubleshooting

    SECTION 4 − MAINTENANCE AND TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect power before maintaining. 3 Months Repair or replace Replace unreadable labels. cracked weld cables. Clean and tighten weld terminals. 6 Months Blow out or vacuum inside. During heavy service clean monthly. 4-2.
  • Page 15: Troubleshooting

    4-3. Troubleshooting Trouble Remedy Be sure line disconnect switch is On (see Section 2-7). No weld output; wire does not feed. Replace building line fuse or reset circuit breaker if open(see Section 2-7). Reset circuit-breaker CB1. Secure gun trigger connections. Check and replace Power switch if necessary No weld output;...
  • Page 16: Section 5 − Electrical Diagram

    SECTION 5 − ELECTRICAL DIAGRAM 5-1. Migmatic 171 OM-208 781 Page 12...
  • Page 17: Section 6 − Parts List

    SECTION 6 − PARTS LIST 6-1. Main Assembly Item Ref. Code Qty. Item Ref. Code Qty. 156022018 VP.0.0.24 056076199 MU.0.0.40 1 656002010 MU.0.0.22 1 156006009 VP.0.0.30 FM230V- 057035005 GS.230V 056061037 MQ.0.0.5 50/60Hz 057098011 VQ.0.2 057084040 MU.0.1 TP.1 056159006 MU.0.0.10 1 156007028 VP.0.0.25 T1 (230V- 058021053 MU.1 056054076 MU.0.0.56 2...
  • Page 18 Notes...
  • Page 19 Effective January 1, 2006 This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or warranties expressed or implied. LIMITED WARRANTY − Subject to the terms and conditions APT Model Plasma Cutting Torches below, ITW Welding Products Italy S.r.l., warrants to its...
  • Page 20 File a claim for loss or damage during Phone: 39 (0) 2982901 Fax: 39 (0) 298290-203 shipment. email: miller@itw−welding.it For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. © PRINTED IN USA 2006 Miller Electric Mfg. Co. 1/06...

Table of Contents