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6. Warranty

Weldability Sif warrants its customers that all new SifWeld manual welding and cutting equipment purchased shall be free of failure 
from defective materials or production for a period of 2 Years from the date of purchase.
 
This warranty period can be extended to 5 Years from the date of purchase (including the standard warranty period) for customers 
in the United Kingdom and Republic Of Ireland; or to 3 Years from date of purchase for customers in all other countries, subject to 
registration of the product at www.sifweld.com within the first year of purchase, and undergoing annual preventative maintenance 
servicing with effect from the second year of ownership.
 
All warranty periods start from the date of purchase from Weldability Sif or an approved SifWeld distributor to the original end user.  
The date on the sales invoice is considered the date of purchase for the purpose of the warranty period, or the date of manufacture is 
used if proof of purchase is not available.   Equipment is warranted to the original owner/user customer, and is not transferable.
 
Subject to the underlying purchase contract, or, failing such, the Weldability Sif general terms and conditions of sale, both the cost of 
replacement parts and Weldability Sif’s labour expense in correcting defects covered by the warranty, will be assumed by Weldability 
Sif during the warranty period.    Weldability Sif shall in no event be responsible for any direct or indirect damages, third party 
expenses, as well as any loss of income/revenue, all of which are specifically excluded under this warranty.
 
The warranty does not cover :  Any defects resulting from normal wear and tear; Improper use; Failure to observe the operating 
and maintenance instructions; Connection to an incorrect or faulty mains supply; Overloading during use; Any transport or storage 
damage; External damage such as fire, impact or damage due to natural causes, e.g flooding; Use of unapproved spare or wear parts 
or replacement parts not supplied by or approved by Weldability Sif; Any modification or alteration of the equipment; or any other 
circumstances beyond the control of Weldability Sif.  The warranty period is based on a single 8-hour 5-day shift pattern and the 
extended warranty is not applicable to units that are purchased for rental or hire.   Weldability Sif will submit an invoice for any repair 
work performed outside the scope of the warranty.
 
Any warranty repair must be performed by Weldability Sif or an Authorised SifWeld Service Centre.  The customer is responsible for 
all shipping costs and risk associated with items that are returned covered under warranty.  Weldability Sif may opt to refund the 
purchase price (less any costs and depreciation due to use and wear).  Faults/defects found under warranty should be reported to 
the Weldability Sif Technical team for review. A warranty claim reference number will be issued and details of the most appropriate 
Authorised SifWeld Service Centre will be advised, if appropriate.   The customer has no claim to any loan or replacement products 
whilst repairs are being performed or replacements are being provided.
 
The decision about repair or replacement of any defective part(s) is made by Weldability Sif.  The replaced part(s) remain(s) property of 
Weldability Sif.  The warranty extends only to the machine power-source, wire-feed unit and parts contained inside.  No other warranty 
is expressed or implied, including with regard to the fitness of the equipment for any particular application.
 
Under the terms of the warranty, welding torches, their consumable parts, wire-feed drive-rolls and guide tubes, work return cables 
and clamps, electrode holders, connection and extension cables, mains and control leads, plugs, wheels, coolant, etc. are not covered.
 
The extended warranty is only valid where products have been used strictly in accordance with the operating instructions, all 
installation guidelines have been implemented, all legal requirements have been observed, regular preventative maintenance has 
been undertaken and a continuous history of annual servicing has been completed and recorded.   Failure to register the equipment 
online within 1 year of purchase, or to complete the required annual servicing cycle from year 2, will invalidate the extended warranty 
period.
 
Annual preventative maintenance servicing must be arranged and paid-for by the equipment owner/user and carried out by 
Weldability Sif or an Authorised SifWeld Service Centre, in order to maintain validity of the extended warranty.   Service visits can 
be booked online at www.sifweld.com or by calling 0870 330 7757 and will be charged at an average of £65 net per hour of travel/
servicing time.   Please allow an average of 2 hours servicing per machine and one hour each way of travel.
 
Warranty support is facilitated by our network of Authorised SifWeld Service Centres that provide highly experienced capability and 
carry-out the professional repair, service and calibration of SifWeld equipment.

Summary of Contents for MTS250 TSX1D250MTS

Page 1: ...Operation Manual SifWeld MTS250 www sifweld com Peters House The Orbital Centre Icknield Way Letchworth Garden City Hertfordshire SG6 1ET Tel 44 0 845 130 7757 MIG Approved TIG MMA TSX1D250MTS ...

Page 2: ... been used in the design EN60974 1 Arc welding equipment Part 1 Welding power sources EN60974 10 Arc welding equipment Part 10 Electromagnetic Compatibility EMC requirements Additional information restrictive use Class A equipment intended for use in locations other than residential By signing this document the undersigned declares as manufacturer or the manufacturer s authorised representative es...

Page 3: ...s damp environments wearing wet clothing and metal structures Try to avoid welding in cramped or restricted positions Ensure that the equipment is well maintained Repair or replace damaged or defective parts immediately Carry out any regular main tenance in accordance with the manufacturer s instructions Safety against fumes and welding gases Locate the equipment in a well ventilated position Keep...

Page 4: ...the cutting welding area Remove all flammable and combustible materials from the cutting welding zone and surrounding areas Do not cut weld fuel and lubricant containers even if empty These must be carefully cleaned before they can be cut welded Always allow the cut welded material to cool before touching it or placing it in contact with combustible or flammable material Do not work in atmospheres w...

Page 5: ...ment that has reached its end of life must be collected separately and returned to an environmentally compatible recycling facility Handling of Compressed gas cylinders and regulators All cylinders and pressure regulators used in welding operations should be handled with care Never allow the electrode electrode holder or any other electrically hot parts to touch a cylinder Keep your head and face ...

Page 6: ...1 Preface 7 1 1 General 7 1 2 Introduction 8 1 3 Technical Specifications 9 1 4 Overview Of Machine 10 2 Installation 11 3 Operation 14 4 Troubleshooting 16 5 Maintenance 17 6 Warranty 18 Contents 6 ...

Page 7: ...sult an authorised SifWeld dealer or visit the SifWeld web site at www sifweld com The specifications presented in this manual are subject to change without prior notice Important notes Items in the manual that require particular attention in order to minimise damage and personal harm are indicated with the NOTE notation Read these sections carefully and follow their instructions Disclaimer While ...

Page 8: ... which allows it to operate with a wide tolerance to mains fluctuation within 15 It has continuously adjustable welding voltage and current to provide excellent welding characteristics Adopting a unique welding dynamic characteristic control circuit in MIG provides a stable arc low spatter excellent weld appearance and high welding efficiency By removing the ball at the end of the wire after welding ...

Page 9: ...r MIG I Max I eff Wire feed type Protection class Insulation class Dimensions Power source mm Weight Power source kg Dimensions Air cooled package mm Weight Air cooled package kg 250Amps 35 12 8 KVA 51 0Amps 45 0Amps 26 6Amps 28 0Amps Gear Driven 4 Roll IP21S F 550 x 290 x 680 35 810 x 510 x 1110 78 150Amps 100 ...

Page 10: ...ontrol knob in MMA 9 MMA TIG MIG switch 10 Current meter 11 Wire feed control knob in MIG 12 output terminal 13 output terminal 14 Socket of wire pull torch control cable 15 Euro connector of the welding torch in MIG Rear View 16 Rating Plate 17 Input cable 18 Power switch 19 Gas solenoid inlet fitting 20 Fan Inside View 21 Burnback Knob 22 No Gas Gas Socket 1 2 3 9 10 11 12 13 14 15 4 5 6 7 8 16 1...

Page 11: ...lable Details of the machine requirements can be found on the data plate of the machine or in the technical parameters shown in the manual The equipment should be connected by a suitably qualified competent person Always ensure the equipment has a proper grounding Never connect the machine to the mains supply with the panels removed Output connections In general when using manual arc welding electr...

Page 12: ... will lead to wire distortion which will affect wire feeding Press the wire inch button to thread the wire out of the torch contact tip Gas less Self Shielded Welding Insert the welding torch into the Euro connector for torch in MIG output socket on the front panel of the machine and tighten it Insert the cable plug with work clamp into the output terminal on the front panel of the welding machine ...

Page 13: ... hose to the regulator flow meter located on the shield gas cylinder and connect the other end to the machine Open the valve on the TIG torch and scratch the electrode on the work piece to start the arc MMA welding Insert the cable plug with electrode holder into the socket on the front panel of the welding machine and tighten it clockwise Insert the cable plug of the work return lead into the sock...

Page 14: ...gger and welding can be carried out Where required adjust the burn back time potentiometer above the feed unit inside the machine to get the proper electrode stick out One second after the arc stops the gas supply will be cut off Gas selection Metal inert gas welding MIG Uses Argon Ar Helium He or Ar He mixtures as the shield gas and it mainly used for welding aluminium and its alloys Metal active ...

Page 15: ...ical operation the welding speed should not exceed 50cm min 3 Wire Stick out The increase of the stick out can improve the productivity but too long stick out may lead to excessive spatter wire breaking and unstable welding Generally the stick out should be 10 times as the welding wire diameter 4 Shield gas flow selection The protection effect is the primary consideration Besides the protection effec...

Page 16: ...at the control PCB PK 63 inside the machine may be defective There is no response when operating the torch trigger and the protection LED is off Check if the torch trigger is working Check if the welding torch is well connected to the Euro connector and check the connections of the Euro connector The control PCB PK 63 inside the machine may be defective The wire feeder feeds wire when operating th...

Page 17: ... mains cable before removing the machine s case Perform the following cleaning and maintenance at least every six months 1 Clean the interior of the machine and the fan grills net of any dust and stains for example with a soft brush and vacuum cleaner Do not use pressurised air The stain may become compressed into the grooves of the coolers Do not use a pressure washing device 2 Check the electric...

Page 18: ...scope of the warranty Any warranty repair must be performed by Weldability Sif or an Authorised SifWeld Service Centre The customer is responsible for all shipping costs and risk associated with items that are returned covered under warranty Weldability Sif may opt to refund the purchase price less any costs and depreciation due to use and wear Faults defects found under warranty should be reporte...

Page 19: ...Notes ...

Page 20: ...www sifweld com Peters House The Orbital Centre Icknield Way Letchworth Garden City Hertfordshire SG6 1ET Tel 44 0 845 130 7757 Fax 44 0 800 970 7757 Email sales weldability sif com www sifweld com ...

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