Subscribe to Our Youtube Channel
Related Manuals for Miller Electric DB1812R
Summary of Contents for Miller Electric DB1812R
- Page 1 OM-1603 199 528C 1/2005 Processes TIG (GTAW) Welding Description TIG Torch Diamondback Series GTAW Torches DB1812R And DB1825R Visit our website at www.MillerWelds.com...
-
Page 2: Table Of Contents
TABLE OF CONTENTS SECTION 1 −SAFETY PRECAUTIONS FOR GTAW TORCHES − READ BEFORE USING 1-1. Symbol Usage ............... . 1-2. -
Page 3: Section 1 −Safety Precautions For Gtaw Torches − Read Before Using
SECTION 1 −SAFETY PRECAUTIONS FOR GTAW TORCHES − READ BEFORE USING 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 Warning! Watch Out! Possible ELECTRIC SHOCK and HOT PARTS hazards. Consult symbols and related instructions below for necessary actions to avoid the hazards. -
Page 4: Emf Information
Considerations About Welding And The Effects Of Low Frequency Electric And Magnetic Fields Welding 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 research, a special blue ribbon committee of the National Research Council concluded that: “The body of evidence, in the committee’... -
Page 5: Section 2 − Specifications
Minutes EXCEEDING RATED AMPERAGE can damage torch and void warranty. Do not exceed rated amperage (see Section 2-1) Model DB1812R 350 Amps W/Argon Gas @ 100% Duty Cycle DCEN, ACHF Water 1.1 quart/minute (1.0 liter/minute) .020 Thru 5/32 in (0.5 Thru 4.0 mm) 25 ft (7.6 m) One-Piece High−Flex... -
Page 6: Section 3 − Installation
SECTION 3 − INSTALLATION 3-1. Required Torch Parts And Torch Assembly Assembling Torch Parts 3-2. International Style Connector Assembly Tools Needed: OM-1603 Page 4 1 in (26 mm) Collet Body Heat Shield Backcap Insulator Collet O-Ring Backcap Torch Body Handle 10 Power Cable 11 Water Hose 12 Gas Hose... -
Page 7: Connecting Torch
3-3. Connecting Torch A. Connecting Torch When Using A Freestanding Coolant System If applicable, install high-frequency unit. Tools Needed: 5/8, 7/8, 1-1/8 in Y Turn Off welding power source and cooling system power before in- stalling torch. Welding Power Source Regulator/Flowmeter Gas Cylinder Gas Hose (Customer Supplied) - Page 8 B. Connecting Torch To A Dynastyt 300 DX Or MaxstarR 300 DX TIGRunnert Unit Tools Needed: 5/8, 7/8, 1-1/8 in C. Connecting Torch To A SyncrowaveR 250 DX Or 350 LX TIGRunnert Unit Tools Needed: 5/8, 7/8, 1-1/8 in OM-1603 Page 6 803 311 803 311 Y Turn Off welding power source...
-
Page 9: Section 4 − Maintenance & Troubleshooting
SECTION 4 − MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance 40 Hours Replace unreadable labels. Replace cracked parts 4-2. Troubleshooting NOTE Before using troubleshooting table, check selection and preparation of tungsten electrode according to Section 5. Trouble Arc will not start. High frequency present Check cable and work connections. - Page 10 Trouble Wandering arc Shield weld zone from drafts. Reduce gas flow rate. Select proper size and type 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.
-
Page 11: Section 5 − Selecting And Preparing Tungsten Electrode For Dc Or Ac Welding
SECTION 5 − SELECTING AND PREPARING TUNGSTEN ELECTRODE FOR DC OR AC WELDING Y Whenever possible and practical, use DC weld output instead of AC weld output. 5-1. Selecting Tungsten Electrode ( Electrode Diameter DC − Argon − Electrode Negative/Straight Po- 2% Ceria (Orange Band), 1.5% Lan- thanum (Gray Band), Or 2% Thorium (Red Band) Alloy Tungstens... -
Page 12: Preparing Tungsten Electrode For Welding
5-2. Preparing Tungsten Electrode For Welding 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. -
Page 13: Torch Movement During Welding
6-2. Torch Movement During Welding Tungsten Without Filler Rod Welding direction Form pool Tilt torch Move torch to front of pool. Repeat process. Tungsten With Filler Rod Welding direction Form pool Tilt torch Add filler metal Remove rod Move torch to front of pool. -
Page 14: Section 7 − Parts List
SECTION 7 − PARTS LIST Ref. 802 676-A Figure 7-1. Complete Torch Assembly OM-1603 Page 12... - Page 15 ......... . . ADAPTER, power cable (included in DTP kit) ADAPTER, international style (water hose included) Quantity Model DB1812R DB1825R ... .
- Page 16 HOSE, water 6 ft (included in DTP kit) Quantity Model DB1812R DB1825R ......
- Page 17 Notes...
- Page 18 Notes...
- Page 19 Warranty Questions? Call LIMITED WARRANTY − Subject to the terms and conditions below, Miller Electric Mfg. Co., Appleton, Wisconsin, warrants to 1-800-4-A-MILLER its original retail purchaser that new Miller equipment sold after for your local the effective date of this limited warranty is free of defects in material and workmanship at the time it is shipped by Miller.
-
Page 20: Owner's Record
File a claim for loss or damage during shipment. For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. 2005 Miller Electric Mfg. Co. 1/05 Miller Electric Mfg. Co. An Illinois Tool Works Company 1635 West Spencer Street Appleton, WI 54914 USA International Headquarters−USA...
Need help?
Do you have a question about the DB1812R and is the answer not in the manual?
Questions and answers