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WELDTECH WT160MP, Operating Instruction, Page: 1 / 36

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OPERATING INSTRUCTIONS

WT160MP

160A INVERTER 

MIG/MMA(STICK)/TIG WELDER

www.weldtech.net.nz

Summary of Contents for WT160MP

Page 1: ...OPERATING INSTRUCTIONS WT160MP 160A INVERTER 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: ...plained 5 Quick Start Guide 6 Tips Tricks 9 WeldingSettings 9 Accessories 10 Care Maintenance 11 MIG Basic Welding Guide 11 MIG Welding Troubleshooting 15 MMA Stick BasicWeldingGuide 17 MMA Stick Trou...

Page 4: ...increased durability and reliability Gas gasless function for welding flux cored MIG wire Overload protection for increased reliability and safety Optional gas regulator for gas shielded welding GR101...

Page 5: ...17 Wire spool holder 18 Wire drive inlet guide 19 Wire feed tension adjustment 20 Wire feed tension arm 21 Wire drive roller retainer 22 Wire drive roller partially obscured 2 1 3 4 5 6 7 8 9 10 12 1...

Page 6: ...ed and then slowly adjust the wire speed un til the arc is smooth and stable When reaching this point if the penetration heat input is too much not enough adjust the voltage setting and repeat the pro...

Page 7: ...guide 18 through the drive roller groove and into the outlet wire guide tube En suring that the wire is correctly seated in the drive roller groove replace the wire feed tension arm 20 and lock it in...

Page 8: ...ld tech range 6 ARC MMAWelding Operation 6 1 Connect the earth cable quick connector to the negative welding power output socket 10 Con nect the earth clamp to the work piece Contact with the work pie...

Page 9: ...y Cycle Rating Welding duty cycle is the percentage of actual weld ing time that can occur in a ten minute cycle E g 20 at 160 amps this means the welder can weld at 160 amps for 2 minutes and then th...

Page 10: ...ries Refer to page 3 for related accessories for this machine or visit www weldtech co nz for a full range of consumables and accessories MP15 Torch Consumables Breakdown Tips adapter and nozzles avai...

Page 11: ...ponents causing electrical short circuits Check for damaged parts Do not use the welder with damaged parts If damaged before further use the welder must be carefully checked by a qualified person to d...

Page 12: ...s 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 horizontal position and...

Page 13: ...electrode wire Size of 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 wi...

Page 14: ...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 lengthens the arc By decre...

Page 15: ...re is a gas problem the 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 lidifica...

Page 16: ...16 Other weld problems can be reduced by checking the following points...

Page 17: ...Polarity Electrodes are 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 w...

Page 18: ...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 generally cracks when attempts are made to weld it Trouble may also be ex...

Page 19: ...becomes much easier You 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 wo...

Page 20: ...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 globules If the travel...

Page 21: ...electrodes require being 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 wid...

Page 22: ...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 this to the work bench o...

Page 23: ...23 WT160MP Welding Machine www weldtech net nz MMA Stick Troubleshooting...

Page 24: ...ea 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 Electrode Polarity Connect...

Page 25: ...nz 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 Diamet...

Page 26: ...26 TIG Welding Troubleshooting...

Page 27: ...is setup correctly and 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 in...

Page 28: ...s 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 protec tion must be AS...

Page 29: ...weld or cut in atmos pheres 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...

Page 30: ...t 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 safety glasses Side shields...

Page 31: ...on is poor use an approved 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 o...

Page 32: ...32...

Page 33: ...e 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...

Page 34: ...34...

Page 35: ...35 WT160MP 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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