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www.r-techwelding.co.uk 

Email: [email protected] 

Tel: 01452 733933     Fax: 01452 733939 

MIG-MTS-450 SWFU

INVERTER MIG & MMA WELDING MACHINE 

OPERATION INSTRUCTIONS 

Version 201

7

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0

 

Summary of Contents for MTS-450

Page 1: ...www r techwelding co uk Email sales r techwelding co uk Tel 01452 733933 Fax 01452 733939 MIG MTS 450 SWFU INVERTER MIG MMA WELDING MACHINE OPERATION INSTRUCTIONS Version 2017 10 ...

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Page 3: ...quipment please always supply information you have recorded above This product is covered by 3 years parts and labour warranty External items torch earth lead etc are covered by 3 months warranty Any faults damage found caused by customer will be charged pro rata Please read this operator manual completely before attempting to use this equipment Pay particular attention to the safety instructions ...

Page 4: ... dry insulating gloves WARNING FUMES AND GASES can be dangerous Keep your head out of fumes gases produced from welding Use ventilation or exhaust to remove fumes gases from breathing zone and general area WARNING WELDING SPARKS can cause fire or explosion Keep flammable material away from work area Do not weld on containers that have held combustibles WARNING ARC RAYS can burn Wear eye ear and bo...

Page 5: ...ations The R Tech MTS 450 is protected from overloads beyond the output ratings and duty cycle as per machine specifications with thermostat protection of the output coils and rectifiers Welding Capability Duty Cycle The R Tech MTS 450 is rated at 450 Amps at 60 duty cycle on a ten minute basis If the duty cycle is exceeded a thermal protector will shut machine off until the machine cools Installa...

Page 6: ...particles towards the welder An abundance of conductive material can cause plant failure Stacking This machine cannot be stacked Transport Unloading Never underestimate the weight of equipment never move or leave suspended in the air above people Use recommended lifting equipment at all times WARNING Falling Equipment can cause injury Never lift welder with gas bottle attached Never lift above per...

Page 7: ...t or equivalent shielding There should be a good electrical contact between this conduit and ground Earth 2 Keep the work and electrode leads as short as possible Tape the leads together where practical 3 Be sure the torch and earth leads rubber coverings are free from cuts and cracks that allow welding power leakage 4 Keep earth lead connection to work in good condition Clean area on workbench wh...

Page 8: ...n Engine Driven Generator If connecting this machine to an engine driven generator please ensure the following Minimum Generator KVA Output 15 KVA continuous Generator to be fitted with AVR automatic voltage regulation DO NOT USE ON A GENERATOR WITHOUT AVR Connecting to a generator without the above minimum requirements will in validate your warranty ...

Page 9: ...ses 4 Mains input cable Connect to mains supply 5 External 2nd earth point This can be used to earth the machine to workbench if you are experiencing interference Sometimes required when using automated machinery Not normally used 6 Cooling fan Do not obstruct cooling fan failure to ensure good air flow can result in reduced duty cycle ...

Page 10: ...electrode holder or earth lead depending on polarity of welding electrode used 3 Connect dinse power connect from earth lead and connect earth lead to bench workpiece In MMA mode connect electrode holder or earth lead depending on polarity of welding electrode used WFU Wire Feed Unit connections 1 Voltage control This will change voltage welding power on LED display on main machine ...

Page 11: ... or open areas a higher flow may be required to stop porosity of weld Make sure gas bottle is secured machine securely to avoid injury Controls and Settings 1 Voltage LED This meter can show actual welding voltage and preset welding voltage in increments of 0 1v It indicates preset voltage during no welding 2 Current LED This meter shows actual welding current during welding and indicates the pres...

Page 12: ... and welding continues upon pressing trigger and releasing again the welding stops this is also know as trigger latching 12 Arc force control Gives further adjustment on weld characteristics on traditional transformer machines this was known as choke Low setting is ideal for automotive work Lower setting softer weld with less splatter and less penetration for thinner materials Higher setting harsh...

Page 13: ...t pressure until wire feeds smoothly you should be able to stop wire feeding by holding wire and it should slip on rollers If you have too little pressure wire will slip when welding causing unwanted Burn back into tips If you have too much pressure wire can snag in rollers when wire hits work and cause wire tangle by rollers 3 Top pressure rollers release wire tensioners and arms will move up to ...

Page 14: ... penetration 7 Press torch trigger to start welding process and adjust welding current knob to adjust wire feed accordingly Note You can finely adjust the welding current knob to fine tune weld arc length to either DIP or SPRAY welding 8 When welding actual voltage and amperage will be shown in corresponding LED display meters on machine Operating in MMA Mode Select welding amperage required on cu...

Page 15: ...oughout this manual The troubleshooting guide is provided to help you locate possible machine malfunctions Simply follow the 3 step procedure below Step 1 Locate problem symptom Look under the column labeled Problem symptoms This column describes possible symptoms that the machine may exhibit Find the listing that best describes the symptom that the machine is exhibiting Step 2 Possible Cause The ...

Page 16: ...pressure air 3 Air vents may be blocked due to inadequate clearance around machine If all recommended areas of fault have been checked and problem persists Contact R Tech Welding for repair MIG Weld Problems No gas flow when torch switch activated Machine has output and fan runs A click can be heard indicating gas solenoid is operating 1 Gas supply is empty or turned off 2 Flow regulator may be se...

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