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Miller Electric M-25 manual

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Table of contents for the manual

  • Page 1

    MIGmatic M - 2 5 Processes Description MIG (GMA W) W elding OM-227 796A 2006 − 05 Semi-Automatic, Air-Cooled MIG (GMAW) W elding Gun Flux Cored (FCA W ) Welding ™ Visit our website at www.MillerWelds.com File: MIG (GMA W)[...]

  • Page 2

    Miller Electric manufactures a full line of welders and welding related equipment. For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog or individual specification sheets. T o locate your nearest distributor or service agency call 1-800-4-A-Miller , or visit us at www .Mille[...]

  • Page 3

    T ABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS FOR GMA W WELDING GUNS − READ BEFORE USING 1 . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2. GMA W Gun Hazards 1 . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 4

    [...]

  • Page 5

    OM-227 796 Page 1 SECTION 1 − SAFETY PRECAUTIONS FOR GMA W WELDING GUNS − READ BEFORE USING SR7_8/03 1-1. Symbol Usage Means W arning! W atch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. This group of symbols means Warning! W atch Out! Possible ELECTRIC SHOCK and HOT P ARTS hazard[...]

  • Page 6

    OM-227 796 Page 2 1-3. California Proposition 65 W arnings  W elding or cutting equipment produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer . (California Health & Safety Code Section 25249.5 et seq.)  Battery posts, terminals and related accessories contain l[...]

  • Page 7

    OM-227 796 Page 3 SECTION 2 − SAFETY INFORMA TION Read all safety messages throughout this manual. Obey all safety messages to avoid injury . Learn the meaning of W ARNING and CAUTION. 1 Safety Alert Symbol 2 Signal Word W ARNING means possible death or serious injury can happen. CAUTION means possible minor injury or equipment damage can happen.[...]

  • Page 8

    OM-227 796 Page 4  Exceeding duty cycle can damage unit and void warranty . Overheating 0 15 A or V OR Reduce Duty Cycle Minutes sduty1 5/95 3-2. Duty Cycle And Overheating Duty Cycle is percentage of 10 minutes that gun can weld at rated load without overheating. 0 10 Minutes Definition Continuous W elding .023 T o .045 in (0.6 T o 1.1 mm) Hard[...]

  • Page 9

    OM-227 796 Page 5 SECTION 4 − OPERA TION 4-1. Operating The Gun Ref. 800 797-C 1 T rigger Switch When pressed, energized wire feeds and shielding gas flows. 1[...]

  • Page 10

    OM-227 796 Page 6 SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Removing Nozzle, Contact T ip, And Adapter , Changing Liner , And Cleaning Gun Casing 804 466-A  T urn off welding power source/wire feeder . 1 Nozzle 2 Contact Tip 3 Tip Adapter 4 Nozzle Adapter  Wire size stamped on tip − check and match wire size. Head T ube T ools Ne[...]

  • Page 11

    OM-227 796 Page 7 5-2. Replacing Switch And/Or Head T ube Ref. 800 795-D T ools Needed: 3/4 in Remove handle locking nut. Slide handle. Secure head tube in vice. Loosen jam nut. Remove from vice an d turn head tube out by hand. Install existing shock washer onto new head tube. Hand-tighten head tube into cable connector . Place head tube in vice an[...]

  • Page 12

    OM-227 796 Page 8 5-3. Routine Maintenance  T urn Off welding power source and disconnect gun before maintaining. Each Spool Of Wire Blow Out Gun Casing Clean Nozzle And Check Contact Tip 3 Months Control Cord Gas Hose Replace Cracked Parts 5-4. T roubleshooting T rouble Remedy Wire does not feed; wire is not ener- gized; wire feeds unevenly Che[...]

  • Page 13

    OM-227 796 Page 9 SECTION 6 − P ARTS LIST 1 2 345 6 7 8 9 13 16 10 11 14 15 804 467-A 12 Figure 6-1. M-25 Gun Description Part No. Dia. Mkgs. Item No. Figure 6-1. M-25 Gun Quantity 1 200 258 NOZZLE, slip type .500 orf flush 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 +169 724 NOZZL[...]

  • Page 14

    OM-227 796 Page 10 Description Part No. Dia. Mkgs. Item No. Figure 6-1. M-25 Gun (Continued) Quantity 8 169 738 NUT , locking handle 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 169 732 NUT , jam 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 15

    Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. miller_warr 2006 − 01 Y our distributor also gives you ... Service Y ou always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours. Support Need fast answers to the tough welding questions? Contact your distributor . The expe[...]

  • Page 16

    PRINTED IN USA © 2006 Miller Electric Mfg. Co. 2006 − 01 Miller Elect ric Mfg. Co. An Illinois T ool W orks Compa ny 1635 West S pencer S treet Applet on, WI 5 4914 US A International He adquarters − US A USA Phone: 920-735-4505 Aut o-At tended USA & Canada F A X: 9 20-735-4134 Int ernati onal F AX : 920-735-4125 European Headqua rters −[...]