Instruction/ maintenance manual of the product DB17V12R Miller Electric
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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 .
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T ABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS FOR GT A W TORCHES − READ BEFORE USING 1 . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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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.
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.
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.
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 .
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 Righ.
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 Fitt.
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.
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 .
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.
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 .
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.
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.
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 . . . . . . . . . . . . . . . . .
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 . . .
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 . . . . . . . . . . . . . . .
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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 .
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 − U.
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