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Summary of Contents for WELDTECH WT200MP
- Page 1 WT200MP 200A MULTI-PROCESS MIG/MMA(STICK)/TIG 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
WT200MP Welding Machine Contents Welcome to Euroquip..........2 Know Your Machine..........5 Controls Explained..........5 Quick Start Guide............6 Tips & Tricks..............9 Welding Settings...........10 Accessories..............11 Care & M aintenance...... ....12 MIG Basic Welding Guide......12 MIG Welding Troubleshooting....16 MMA (Stick) Basic Welding Guide....18 MMA (Stick) Troubleshooting.......24 TIG Basic Welding Guide........25 TIG Troubleshooting...........27 Knowledge & Resources........28 Safety .................28 Warranty..............33 www.weldtech.net.nz... - Page 4 WT200MP 200A - INVERTER MULTI-PROCESS WELDER Cutting edge IGBT Inverter Technology with MIG, TIG and ARC processes available. Produces professional results on workshop or on-site projects! Powerful - 200A welding power up to 12mm steel thickness Portable - Only 13kg super light weight and portable Multi-Process - All in one machine for ARC, MIG and TIG •...
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Page 5: Know Your Machine
WT200MP Welding Machine Know Your Machine MIG Torch Euro Connection Spool Gun Connection Socket Spool Gun Switch LCD Current Meter - Displays output current (amps) in real time* LCD Voltage Meter - Displays output voltage in real time* Welding Output Mode Switch... -
Page 6: Quick Start Guide
Electrical Connection The current control knob sets the target welding output current for either mode selected. The voltage The WT200MP is designed to operate on a 15A 230V knob has no effect in MMA or TIG mode. AC power supply. If an extension cord must be used, it should be a heavy duty version with a minimum MIG Inductance Control- Inductance adjustment cable core size of 2.5mm2. It is recommended to use... - Page 7 WT200MP Welding Machine Basic Operation - MIG Welding drive inlet guide (19), through the drive roller groove and into the outlet wire guide tube. En- 1. Fitting Wire Spool suring that the wire is correctly seated in the drive roller groove, replace the wire feed tension arm 1.1 Open the wire feeder compartment door. Remove...
- Page 8 CO2) 5. Spool Gun Operation 4.1 Connect the earth cable quick connector to the NOTE: Spool Gun is an optional extra for the WT200MP. negative welding power output socket (13). Con- Spool gun part number: 13323 nect the earth clamp to the work piece. Contact with the work piece must be firm contact with The spool gun is a very useful addition to a MIG welder.
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Page 9: Tips & Tricks
(10) to the desired positions. You are now rent control knob (9). You are now ready to weld! ready to weld! NOTE: The WT200MP is a DC (Direct Current) output welder only, this means that it is unable to TIG weld reactive 6. ARC/ MMA Welding Operation metals such as Aluminium alloys and Brass (which require 6.1 Connect the earth cable quick connector to the... -
Page 11: Accessories
WT200MP Welding Machine www.weldtech.net.nz... -
Page 12: Care & Maintenance
• Replace worn wire drive components in a timely manner Spare Parts for WT200MP • Use a soft cloth or brush to clean electrical components. Do not use liquid cleaning products, Part #: Description: water or especially solvents. 17257 Cooling Fan • Do not use compressed air to clean electrical components as this can force dirt and dust... - Page 13 WT200MP Welding Machine Gas Metal ARC Welding (GMAW). Position of MIG Torch (Fig 1-3) This process, also known as MIG welding, CO2 weld- ing, Micro Wire Welding, short arc welding, dip trans- fer welding, wire welding etc., is an electric arc weld- ing process which fuses together the parts to be welded by heating them with an arc between a solid continuous, consumable electrode and the work.
- Page 14 Primary Adjustable Variables Vertical Fillet Welds (Fig 1-6) to 20 These control the process after preselected variables Longitudinal Angle have been found. They control the penetration, bead width, bead height, arc stability, deposition rate Longitudinal Angle and weld soundness. to 60 They are: • Arc Voltage to 60 Transverse...
- Page 15 WT200MP Welding Machine ing (pushing). Whether the operator is left handed A satisfactory weld cannot be obtained if the Current or right handed has to be considered to realize the (Wire Speed) and Voltage settings are not adjusted to effects of each angle in relation to the direction of suit the electrode wire diameter and the dimensions travel.
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Page 16: Mig Welding Troubleshooting
MIG Welding When there is a gas problem the result is usually po- rosity within the weld metal. Porosity always stems Troubleshooting from some contaminant within the molten weld pool which is in the process of escaping during so- lidification of the molten metal. The general approach to fix Gas Metal Arc Welding (GMAW) problems is to start at the wire spool then Contaminants range from no gas around the weld-... - Page 17 WT200MP Welding Machine Other weld problems can be reduced by checking the following points. www.weldtech.net.nz...
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Page 18: Mma (Stick) Basic Welding Guide
MMA (Stick) Basic Flat Position, Down Hand Butt Weld Welding Guide (Fig 1-11) Size of Electrodes The electrode size is determined by the thickness of metals being joined and can also be governed by Flat Position, Gravity Fillet Weld the type of welding machine available. Small weld- (Fig 1-12) ing machines will only provide current (amperage) to run smaller sized electrodes. -
Page 19: Joint Preparations
WT200MP Welding Machine generally cracks when attempts are made to weld it. sections and for repair work on castings, etc., it will Trouble may also be experienced when welding be necessary to cut or grind an angle between the white-heart malleable, due to the porosity caused by pieces being joined to ensure proper penetration of gas held in this type of iron. -
Page 20: Striking The Arc
Arc Welding Techniques Corner Weld - A Word for Beginners (Fig 1-19g) For those who have not yet done any welding, the simplest way to commence is to run beads on a piece of scrap plate. Use mild steel plate about 6.0mm thick and a 3.2mm electrode. Clean any paint, loose scale or grease off the plate and set it firmly on the work bench so that welding can Tee Joints be carried out in the down hand position. Make sure... -
Page 21: Making Welded Joints
WT200MP Welding Machine Making Welded Joints the parent metal. Draw the electrode slowly along as it melts down. Having attained some skill in the handling of an elec- trode, you will be ready to go on to make up welded Another difficulty you may meet is the tendency, af- joints. - Page 22 Heavy plate will require several runs to complete the joint. After completing the first run, chip the slag out Multi-Runs in HV Fillet Weld (Fig 1-24) and clean the weld with a wire brush. It is important to do this to prevent slag being trapped by the sec- ond run. Subsequent runs are then deposited using either a weave technique or single beads laid down in the sequence shown in Figure 1-22. The width of...
- Page 23 WT200MP Welding Machine waste pipe. Then tack this to the work bench or hold Examples of Vertical Fillet Welds in a vice so that the specimen is positioned in the (Fig 1-27) overhead position as shown in the sketch. CORRECT INCORRECT The electrode is held at 45º to the horizontal and...
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Page 24: Mma (Stick) Troubleshooting
MMA (Stick) Troubleshooting... -
Page 25: Tig Basic Welding Guide
WT200MP Welding Machine TIG Basic Welding trode since 70% of the heat is concentrated at the work piece. Guide TIG Welding is a fusion procedure that uses an elec- tric ARC created between an infusible tungsten elec- trode and base material to be welded. For TIG weld- ing an inert gas must be used (Argon) which protects the welding bead. If filling material is used, it is made up of rods suitable to the material to be welded (steel, stainless steel, copper etc). - Page 26 (Fig 16-3) ARC Welder Point Grinding Wheel Radial Ground Wrong Tungsten Preparation - Wandering ARC Diameter of the flat determines amperage capacity. (Fig 17) Pointing the Electrode The electrode should be pointed according to the welding current.
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Page 27: Tig Troubleshooting
WT200MP Welding Machine TIG Welding Troubleshooting www.weldtech.net.nz... -
Page 28: 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 29: Arc Rays Can Burn Eyes And Skin
WT200MP 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 30 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 31 WT200MP 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 32 3. If ventilation is poor, use an approved air-sup- 8. Connect the work lead/clamp to the job as close to the welding area as practical to prevent weld- plied respirator. ing current from travelling long, possibly un- 4. Read the Safety Data Sheets (SDS) and the man- known paths and causing electric shock and fire ufacturer’s instruction for the metals, consuma- hazards.
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Page 33: Warranty
WT200MP Welding Machine Warranty As part of an on-going commitment to excellence party other than an Approved Service Agent, is not in product support, Euroquip offers a comprehensive covered under warranty. product warranty program. Warranty does not cover pre delivery service and ad- In order to qualify for full warranty support, your justment, or failure that may occur as a result of lack product must be registered. - Page 35 WT200MP Welding Machine www.weldtech.net.nz...
- Page 36 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 and world-wide service network. To locate your nearest distributor or service agency visit www.weldtech.net.nz, or email us at info@euroquip.co.nz.
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