R-Tech MIG251 Operation Instructions Manual Download Page 10 | Manualshive

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background image

10

Rear panel connections cont..

Gas connector & Extra earth connection

3/8 BSP male connector
for gas input

Extra earth connection, used if you experience
local interference (not normally used)

On/Off
switch

Mains input cable

-

comes

with 2.5m cable fitted.

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Summary of Contents for MIG251

Page 1: ...www r techwelding co uk email salesdept r techwelding co uk Tel 01452 733933 Fax 01452 733939 R TECH MIG251 MIG WELDER OPERATION INSTRUCTIONS Version 2023 11...

Page 2: ...2...

Page 3: ...ent must be made by purchaser against the transportation company used Please record your equipment identification below for future reference This information can be found on data plate at rear of mach...

Page 4: ...ettings built in using 0 6 0 8 1 0mm wire flux cored wire and MMA settings for 6013 7018 electrode Simple to use easy navigation no complicated menus all settings on single screen Trim control to fine...

Page 5: ...here clean cooling air can freely circulate in and out of the front rear louver vents Dirt dust or any foreign material that can be drawn through vents into welder must be kept to a mini mum Failure t...

Page 6: ...ference can develop in the following ways 1 Direct interference from welder power source 2 Direct interference from the welding leads 3 Direct interference radiated from feedback into power lines 4 In...

Page 7: ...fuse box before working on this equipment Have a qualified electrician install service this equipment Allow machine to sit for 5 minutes minimum to allow the power capacitors to discharge before work...

Page 8: ...0 6 0 8 1 0mm Material thickness selector 0 8 1 0 1 5 2 0 3 0 4 0 5 0 6 0 8mm MIG Manual mode Welding voltage 13 0 27V Wire feed speed 1 5 15 0 m min Spool gun option Yes Burnback control 0 0s 2 0s W...

Page 9: ...r 7 pin socket for spool on gun MIG mode connect earth lead negative when welding with GAS MMA mode connect Earth lead Euro torch connector Connect Euro type MIG torch to euro torch connector align to...

Page 10: ...s cont Gas connector Extra earth connection 3 8 BSP male connector for gas input Extra earth connection used if you experience local interference not normally used On Off switch Mains input cable come...

Page 11: ...0mm 3 Roller tensioner This sets the pressure of rollers the best way to adjust tension is to slacken off pressure so that MIG welding wire does not feed slowly adjust pressure until wire feeds smooth...

Page 12: ...steps 2 Welding voltage Turn to change setting in small steps press and turn to change in larger steps 3 SELECT button Press to cycle through four welding modes 4 Left arrow button use to scroll left...

Page 13: ...easy to understand screen Wire diameter Material thickness The machine will set main welding voltage and wire feed speed Press select button to required gas being used 95 Arg Co2 or 20 Arg Co2 TO ENTE...

Page 14: ...mage below shows 0 8mm wire selected you then have material thickness options of 0 8mm 1 0mm 1 5mm 2 0mm 2 5mm 3 0mm 3 5mm and 4 0mm Once you have selected 0 8mm wire size and material thickness the s...

Page 15: ...speed knob You can trim the welding voltage by 1V by turning welding voltage knob Material thickness options of 0 9mm wire 1 5mm 2 0mm 3 0mm 4 0mm and 5 0mm Material thickness options of 1 0mm wire 1...

Page 16: ...speed using left side knob adjustable between 1 5 15 m min Set welding voltage using right side knob adjustable between 13v 27v 2T 4T Trigger control You can select between 2T and 4T trigger options...

Page 17: ...t knob to adjust from 0s to 2 0s For most applications a setting of 0 3s is advised Spool on Gun option For best results when welding aluminium we recommended using a spool on gun as shown in image be...

Page 18: ...so MMA mode is illuminated TO ENTER EASY MODE PRESS EASY SET BUTTON ON FRONT PANEL Press left arrow to switch between electrode type and electrode size the selected electrode type and size will flash...

Page 19: ...ode Size Material thickness 6013 2 5mm 1 5 2 0 2 5 3 0 3 5 4 0 5 0mm 6013 3 2mm 3 0 4 0 5 0 6 0 8 0mm 6013 4 0mm 4 0 5 0 6 0 8 0 10mm 7018 2 5mm 3 0 4 0 5 0 6 0mm 7018 3 2mm 4 0 5 0 6 0 8 0mm 7018 4 0...

Page 20: ...Manual mode Note When in MMA mode the welding terminals are constantly LIVE Ensure electrode electrode holder are not touching workpiece earth when switching to MMA mode To enter MMA manual mode use...

Page 21: ...mode Porosity in weld No low gas at torch tip Check gas supply from gas bottle check flow rate on regulator check gas hose for restrictions check for draughts in local area open doors etc Replace MIG...

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