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Miller Electric DB1725RDI25 manual

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Table of contents for the manual

  • Page 1

    www.MillerWelds.com Processes Description TIG T orch OM-1600 199 525E 1/2005 DB1712R DI25, DB1725RD I25, DB17V12R, Diamondback Series GT A W T orches TIG (GT A W) W elding DB1712R , DB1725R, DB1712RD I, DB1725RDI, DB17V25R, DB17V12-2, And DB17V25-2[...]

  • 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 catalog sheets. T o locate your nearest distributor or service agency call 1-800-4-A-Miller , or visit us at www .MillerW eld[...]

  • Page 3

    T ABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS FOR GT A W TORCHES − READ BEFORE USING 1 . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2. GT AW T orch Hazards 1 . . . . . . . . . . . . . . . . . .[...]

  • Page 4

    Notes[...]

  • Page 5

    OM-1600 Page 1 SECTION 1 − SAFETY PRECAUTIONS FOR GT A W TORCHES − READ BEFORE USING SR6_8/03 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. This group of symbols means W arning! W atch Out! Possible ELECTRIC SHOCK and HOT P ARTS hazards. Consu[...]

  • Page 6

    OM-1600 Page 2 EMF INFORMA TION Considerations About W elding And The Ef fects Of Low Frequency Electric And Magnetic Fields W elding current, as it flows through welding cables, will cause electro- magnetic fields. There has been and still is some concern about such fields. However , after examining more than 500 studies spanning 17 years of resea[...]

  • Page 7

    OM-1600 Page 3 SECTION 2 − SPECIFICA TIONS 2-1. Specifications Model DB17 DB17V (With Gas V alve) Ampere Rating 150 Amps W/Argon Gas @ 100% Duty Cycle DCEN, ACHF Cooling Method Air T ungsten Size .020 Thru 1/8 in (0.5 Thru 3.3 mm) Cable Options 12-1/2 ft (3.8 m) or 25 ft (7.6 m) One-Piece High − Flex 12-1/2 ft (3.8 m) Or 25 ft (7.6 m) One-Piece[...]

  • Page 8

    OM-1600 Page 4 SECTION 3 − INST ALLA TION 3-1. Required T orch Parts And T orch Assembly Ref. ST-802 566-B 1 Cup 2 Collet Body 3 Heat Shield 4 Backcap Insulator 5 Collet 6 O-Ring 7 Backcap 8 T orch Body 9 Handle 10 One-Piece Power Cable 1 1 Power Cable Adapter 12 International Style Flow-Through Adapter Note: Adapter needed only if torch is equip[...]

  • Page 9

    OM-1600 Page 5 3-3. Connecting T orch A. Connecting T orch With One-Piece Cable Y T urn Off welding power source power before install- ing torch. Obtain the following hose: 1 Gas Hose With 5/8-18 Right- Hand Fittings Connections: 2 Regulator/Flowmeter 3 Gas Cylinder 4 W elding Power Source 5 Gas V alve Operating T orch Gas V alve: V alve controls g[...]

  • Page 10

    OM-1600 Page 6 B. Connecting T orch With T wo-Piece Cable 803 664-A Y T urn Off welding power source power before install- ing torch. Obtain the following hose: 1 Gas Hose With 5/8-18 Right- Hand Fittings Connections: 2 Regulator/Flowmeter 3 Gas Cylinder 4 W elding Power Source 5 T orch Gas-In Hose 6 T orch Power Cable 7 W ork Clamp Connect work cl[...]

  • Page 11

    OM-1600 Page 7 SECTION 4 − MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect torch before maintaining. 40 Hours Replace unreadable labels. Repair or replace cracked weld cable. Clean and tighten weld terminals. Replace cracked parts T orch Body T orch Cable 4-2. T roubleshooting Before using troubleshooting table, check sele[...]

  • Page 12

    OM-1600 Page 8 T rouble Remedy W andering arc Shield weld zone from drafts. Reduce gas flow rate. Select proper size and type of tungsten. Properly prepare tungsten according to Section 5. When using AC, check welding power source High Frequency control setting, and increase setting if nec- essary . Y ellow powder or smoke on cup. Use proper type s[...]

  • Page 13

    OM-1600 Page 9 SECTION 5 − SELECTING AND PREP ARING TUNGSTEN ELECTRODE FOR DC OR AC WELDING ac/dc_gtaw 2/2004 Y Whenever possible and practical, use DC weld output instead of AC weld output. 5-1. Selecting T ungsten Electrode ( Wear Clean gloves T o Prevent Contamination Of T ungsten ) Amperage Range - Gas T ype ♦ - Polarity Electrode Diameter [...]

  • Page 14

    OM-1600 Page 10 5-2. Preparing T ungsten Electrode For W elding Y Grinding the tungsten electrode produces dust and flying sparks which can cause injury and start fires. Use local exhaust (forced ventilation) at the grinder or wear an approved respirator . Read MSDS for safety infor- mation. Consider using tungsten containing ceria, lanthana, or yt[...]

  • Page 15

    OM-1600 Page 1 1 6 -2. T orch Movement During Welding ST-162 002-B T ungsten Without Filler Rod T ungsten With Filler Rod Form pool Tilt torch Move torch to front of pool. Repeat process. 75 ° 75 ° W elding direction Form pool Tilt torch Add filler metal Move torch to front of pool. Repeat process. Remove rod W elding direction 15 ° 6-3. Positio[...]

  • Page 16

    OM-1600 Page 12 SECTION 7 − P ARTS LIST 802 567-B 19 20 17 22 or 23 21 18 17 16 2 4 3 5 1 14 11 15 12 7 10 13 9 8 6 17 Figure 7-1. Complete T orch Assembly[...]

  • Page 17

    ENGLISH OM-1600 Page 13 Figure 7-1. T orch Models Without Gas V alve Quantity Description Stock No. Item No. Model DB 1725R DB 1712R DB 1712RDI DB 1725RDI DB 1712 RDI25 DB 1725 RDI25 1 57Y02 BACK CAP , long 1 1 1 1 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ♦ 57Y04 BAC[...]

  • Page 18

    OM-1600 Page 14 Figure 7-1. T orch Models Without Gas V alve (continued) Quantity Description Stock No. Item No. Model DB 1725R DB 1712R DB 1712 RDI DB 1725 RDI DB 1712 RDI 25 DB 1725 RDI 25 21 ♦ 194 722 ADAPTER, intl style flow through 1 1 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 195 234 ADAPTER, intl style flow through 1 1[...]

  • Page 19

    ENGLISH OM-1600 Page 15 Description Quantity Stock No. Item No. Model 17V12R Figure 7-1. T orch Models With Gas V alve 17V12-2 DB DB 17V25R DB 17V25-2 DB 1 57Y02 BACK CAP , long 1 1 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ♦ 57Y04 BACK CAP , button 1 1 1 [...]

  • Page 20

    OM-1600 Page 16 Description Stock No. Item No. Figure 7-1. T orch Models With Gas V alve (continued) Quantity Model 17V12R 17V12-2 DB DB 17V25R DB 17V25-2 DB 22 ♦ 127 836 PLUG, international style, tw lk insul male 1 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 ♦ 129 527 PLUG, international style tw lk in[...]

  • Page 21

    Notes[...]

  • Page 22

    Notes[...]

  • Page 23

    Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. miller_warr 1/05 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 expertise o[...]

  • Page 24

    PRINTED IN USA © 2005 Miller Electric Mfg. Co. 1/05 Miller Elect ric Mfg. Co. An Illinois T ool W or ks Compa ny 1635 West Spenc er St reet Applet on, W I 54914 USA International He adquarte rs − USA USA P hone: 920-735-4505 Aut o-At t ended USA & C anada F AX: 920-735-4134 Int ernat ional FAX: 920-735-4125 European Headqua rters − United [...]