WELDTECH WT200MP Operating Instructions Manual Download Page 26 | Manualshive

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26

(Fig 17)

Pointing the Electrode

The electrode should be pointed according to the
welding current.

(Fig 16-3)

ARC Welder

Point

Grinding
Wheel

Radial Ground

Wrong Tungsten Preparation - Wandering ARC

Diameter of the flat determines amperage capacity.

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Summary of Contents for WT200MP

Page 1: ...OPERATING INSTRUCTIONS WT200MP 200A MULTI PROCESS MIG MMA STICK TIG WELDER www weldtech net nz...

Page 2: ...innovative power equipment solutions to a wide range of industries across New Zealand and Australia Key product categories are welding equipment air compressors power generators and cleaning equipmen...

Page 3: ...lained 5 Quick Start Guide 6 Tips Tricks 9 WeldingSettings 10 Accessories 11 Care Maintenance 12 MIG Basic Welding Guide 12 MIG Welding Troubleshooting 16 MMA Stick BasicWeldingGuide 18 MMA Stick Trou...

Page 4: ...th MIG TIG and ARC processes available Produces professional results on workshop or on site projects With 15A Plug Ideal for workshop projects cars trailers and structural steel TAKES 15KG SPOOL OF WI...

Page 5: ...ns Power Switch 18 Wire Spool Holder 19 Wire Drive Inlet Guide 20 Wire Feed Tension Adjustment 21 Wire Feed Tension Arm 22 Wire Drive Roller Retainer 23 Wire Drive Roller Obscured LCD Current Voltage...

Page 6: ...a chine for common welding applications is located on the underside 0f the wire feeder cover door and further on in this manual MMA Lift TIG Welding Mode The current control knob sets the target weldi...

Page 7: ...d and fitted and the drive roller retainer 22 is secured in place manually feed the wire through the wire drive inlet guide 19 through the drive roller groove and into the outlet wire guide tube En su...

Page 8: ...e delivery liner great ly increasing friction Because good MIG welding results are dependent on a smooth wire feed cer tain changes must be made to the wire feed sys tem to minimise friction caused is...

Page 9: ...th torch valve open as static gas flow setting may drop once gas is flowing 7 4 Connect the machine to suitable mains power us ing the mains input power lead 16 Switch the mains power switch 17 to on...

Page 10: ...10 Welding Settings...

Page 11: ...elding Machine www weldtech net nz Accessories Refer to page 3 for related accessories for this machine or visit www weldtech co nz for a full range of consumables and accessories MP25 Torch Consumabl...

Page 12: ...ressed air to clean electrical components as this can force dirt and dust further into components causing electrical short circuits Check for damaged parts Do not use the welder with damaged parts If...

Page 13: ...as mixture The pro cess is normally applied semi automatically however the process may be applied automatically or by ma chine It is commonly used to weld large diameter elec trodes in the flat and ho...

Page 14: ...f electrode wire Type of gas Gas flow rate Primary Adjustable Variables These control the process after preselected variables have been found They control the penetration bead width bead height arc st...

Page 15: ...ith increased Current Wire Speed resulting in a shorter arc Less Current Wire Speed will reduce the current and lengthen the arc Increasing the welding voltage hardly alters the current level but leng...

Page 16: ...e result is usually po rosity within the weld metal Porosity always stems from some contaminant within the molten weld pool which is in the process of escaping during so lidification of the molten met...

Page 17: ...17 WT200MP Welding Machine www weldtech net nz Other weld problems can be reduced by checking the following points...

Page 18: ...re generally connected to the electrode holder with the electrode holder connected positive polarity The work lead is connected to the negative polarity and is connected to the work piece If in doubt...

Page 19: ...an 45 Single Vee Butt Joint Fig 1 19c Not less than 70 1 6mm 1 16 max 1 6mm 1 16 Double Vee Butt Joint Fig 1 19d Not less than 70 1 6mm 1 16 max 1 6mm 1 16 Lap Joint Fig 1 19e Fillet Joint Fig 1 19f g...

Page 20: ...ou can add much to your peace of mind by wearing a leather apron and gauntlets You won t be worry ing then about being burnt or sparks setting alight to your clothes Place the work so that the directi...

Page 21: ...the vertical The rate of travel has to be ad justed so that a well formed bead is produced If the travel is too fast the bead will be narrow and strung out and may even be broken up into individ ual...

Page 22: ...ing sloped about 20 away from the perpendicular position to prevent slag from running ahead of the weld Refer to Figure 1 23 Do not attempt to build up much larger than 6 4mm width with a 3 2mm electr...

Page 23: ...re difficult that down hand welding Set up a specimen for overhead welding by first tacking a length of angle iron at right angles to another piece of angle iron or a length of waste pipe Then tack th...

Page 24: ...24 MMA Stick Troubleshooting...

Page 25: ...ting in the welded area which limits distortion Welding can be done even without weld material guaranteeing a smooth shiny weld with no impurities or slag Tig Electrode Selection and Preparation Elect...

Page 26: ...Electrode The electrode should be pointed according to the welding current Fig 16 3 ARC Welder Point Grinding Wheel Radial Ground Wrong Tungsten Preparation Wandering ARC Diameter of the flat determi...

Page 27: ...27 WT200MP Welding Machine www weldtech net nz TIG Welding Troubleshooting...

Page 28: ...d you are prepared to be gin work before turning on the welder 3 Unplug before performing maintenance Always unplug the welder from its electrical outlet before performing any inspection maintenance o...

Page 29: ...g and allied pro cesses WARNING Only use safety equipment that has been ap proved by an appropriate standards agency Unapproved safety equipment may not provide adequate protection Eye and breathing p...

Page 30: ...heres containing dangerously reactive or flam mable gases vapours liquids and dust Provide adequate ventilation in work areas to prevent ac cumulation of flammable gases vapours and dust 7 Do not appl...

Page 31: ...Welding Face Shield fit ted with a proper shade of filter see AS 60974 1 AS NZS 1337 1 and AS NZS 1338 1 Safety Stand ards to protect your face and eyes when weld ing or watching 2 Wear approved safet...

Page 32: ...oved air sup plied respirator 4 Read the Safety Data Sheets SDS and the man ufacturer s instruction for the metals consuma bles coatings and cleaners 5 Work in a confined space only if it is well vent...

Page 33: ...considered under warranty Failure caused by incorrect operation of the product lack of proper care and maintenance of the product external damage external circumstances such as contaminated fuel or p...

Page 34: ...34...

Page 35: ...35 WT200MP Welding Machine www weldtech net nz...

Page 36: ...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 neares...

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