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Summary of Contents for WELDTECH WT141ARC
- Page 1 WT141ARC 140A INVERTER MMA WELDER OPERATING INSTRUCTIONS www.weldtech.net.nz...
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Page 2: Welcome To Euroquip
Designed for discerning operators who seek professional results and product quality without the price tag of a full professional setup. Design emphasis is placed on simple, functional design and operation. Weldtech product is subject to stringent quality control and designed and manufactured to NZ & Australian standards. -
Page 3: Table Of Contents
WT141ARC Welding Machine Contents Welcome to Euroquip..........2 Know Your Machine..........5 Quick Start Guide............6 Tips & Tricks..............6 Care & Maintenance..........6 MMA (Stick) Basic Welding Guide....7 Troubleshooting............13 Knowledge & R esources........14 Safety .................14 Warranty..............19 www.weldtech.net.nz... - Page 4 WT141ARC 140A - INVERTER MMA WELDER Cutting edge electronics help you weld like a pro on home, workshop and on-site projects Powerful - 140A welding power up to 8mm steel thickness Portable - Only 3.2kg super light weight and portable Reliable - Cutting edge inverter technology ensures ultimate reliabilty •...
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Page 5: Know Your Machine
WT141ARC Welding Machine Know Your Machine 1. Power indicator * Overload indicator lamp - Lights when duty cycle 2. Overload/alarm indicator is exceeded and thermal protection is activated. 3. Current adjustment knob When thermal protection is activated, welding 4. Negative (-) welding power output... -
Page 6: Quick Start Guide
Tips & Tricks Electrical Connection Duty Cycle Rating The WT141ARC is designed to operate on a stand- Welding duty cycle is the percentage of actual weld- ard 10A 230V AC power supply. If an extension cord ing time that can occur in a ten minute cycle. E.g. -
Page 7: Mma (Stick) Basic Welding Guide
WT141ARC Welding Machine MMA (Stick) Basic • Replace worn consumable parts in a timely manner. Welding Guide • Use a soft cloth or brush to clean electrical components. Size of Electrodes • Do not use liquid cleaning products, water or especially solvents. The electrode size is determined by the thickness of metals being joined and can also be governed by • Do not use compressed air to clean electrical the type of welding machine available. Small weld-... - Page 8 Cast Iron Flat Position, Most types of cast iron, except white iron, are weld- Down Hand Butt Weld able. White iron, because of its extreme brittleness, (Fig 1-11) generally cracks when attempts are made to weld it. Trouble may also be experienced when welding white-heart malleable, due to the porosity caused by gas held in this type of iron.
- Page 9 WT141ARC Welding Machine Joint Preparations Corner Weld In many cases, it will be possible to weld steel sec- (Fig 1-19g) tions without any special preparation. For heavier sections and for repair work on castings, etc., it will be necessary to cut or grind an angle between the pieces being joined to ensure proper penetration of the weld metal and to produce sound joints.
- Page 10 Arc Welding Techniques the parent metal. Draw the electrode slowly along as it melts down. - A Word for Beginners For those who have not yet done any welding, the Another difficulty you may meet is the tendency, af- simplest way to commence is to run beads on a piece ter the arc is struck, to withdraw the electrode so far of scrap plate. Use mild steel plate about 6.0mm thick that the arc is broken again.
- Page 11 WT141ARC Welding Machine Making Welded Joints Heavy plate will require several runs to complete the joint. After completing the first run, chip the slag out Having attained some skill in the handling of an elec- and clean the weld with a wire brush. It is important trode, you will be ready to go on to make up welded to do this to prevent slag being trapped by the sec- joints.
- Page 12 Examples of Vertical Fillet Welds Multi-Runs in HV Fillet Weld (Fig 1-27) (Fig 1-24) CORRECT INCORRECT Pause at edge of weave Note: Weld contour allows weld metal to build when insufficient pause C. Vertical Welds up and eliminates undercut at edge of weave 1.
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Page 13: Troubleshooting
WT141ARC Welding Machine Troubleshooting www.weldtech.net.nz... -
Page 14: Knowledge & Resources
Knowledge & GENERAL SAFETY WARNINGS 1. Maintain labels and nameplates on the welder. Resources These carry important information. If unreadable or missing, contact Euroquip for a replacement. Please refer to Euroquip website www.euroquip.co.nz/ Downloads.html 2. Avoid unintentional starting. Make sure the for knowledgebase articles &... - Page 15 WT141ARC Welding Machine 10. Transportation Methods Lift unit with the han- DANGER! dles provided, or use a handcart or similar device of Always wear AS/NZS compliant safety glasses adequate capacity. If using a fork lift vehicle, secure and full face shield fitted with appropriate filter the unit to a skid before transporting.
- Page 16 3. Use protective screens or barriers to protect adequate ventilation in work areas to prevent ac- others from flash and glare; warn others not to cumulation of flammable gases, vapours, and dust. watch the arc. 7. Do not apply heat to a container that has held 4. Wear protective clothing made from durable, an unknown substance or a combustible mate- flame-resistant material (wool and leather) and...
- Page 17 WT141ARC Welding Machine 1. Use a Welding Helmet or Welding Face Shield fit- 11. Do not touch the electrode while in contact with ted with a proper shade of filter (see AS 60974-1, the work (ground) circuit. AS/NZS 1337.1 and AS/NZS 1338.1 Safety Stand- 12. Use only well-maintained equipment. Repair or ards) to protect your face and eyes when weld- replace damaged parts as soon as practical. ing or watching. 2. Wear approved safety glasses. Side shields are 13. In confined spaces or damp locations, do not recommended.
- Page 18 Fumes And Gases 5. Watch for fire, and keep a fire extinguisher nearby. 6. Be aware that welding on a ceiling, floor, bulk- WARNING! head, or partition can cause fire on the hidden Welding produces fumes and gases. Breathing side. these fumes and gases can be hazardous to your health.
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Page 19: Warranty
WT141ARC Welding Machine Warranty As part of an on-going commitment to excellence Warranty does not cover pre delivery service and ad- in product support, Euroquip offers a comprehensive justment, or failure that may occur as a result of lack product warranty program. - Page 20 Congratulations on your new WELDTECH product. We are proud to have you as our customer and will strive to provide you with the best service and reliability in the industry. This product is backed by our extensive warranty. To locate your nearest distributor or service agency call 0800 387 678, or email us at customerservice@euroquip.co.nz.
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