LOTOS MIG175, Manual

Page 1: ...1 LOTOS MIG175 MIG Welder ...

Page 2: ... 13 Before Installation 13 Environmental Area 13 Wire Feeder Installation 14 Welding Wire Installation 14 How to Thread Welding Wire Through the Wire Feeder 15 Shielding Gas Installation 16 OPERATION 17 Welding Operations 17 Welding Steps 17 Welding Process 18 Spool Gun Operation 18 Overload Protection 19 Overload Protection to Wire Feeder 19 Welding Label 20 OTHER ACCESSORIES 21 ...

Page 3: ... manual Write invoice number and date of purchase on the inside of the manual Keep the manual and invoice in a safe and dry place for future Operation Manual Carefully read the operation manual prior to using installing and maintaining the electric welding machine for the purpose of preventing damages such as fire electric shock and etc from occurring Please keep the manual for the reference in th...

Page 4: ...tool capacity Use the right tool for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool There are certain applications for which this welder was designed Do not modify this welder and do not use this welder for any other purposes for which it was not intended Dress properly Do not wear loose clothing or jewelry as they can be caught in moving part...

Page 5: ... on prescriptions to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the welder Maintenance For your safety service and maintenance should be performed regularly by a qualified technician Use proper size and type extension cord If an extension cord is required it must be of the proper size and type to supply the correct current to the wel...

Page 6: ...afety belt to protect yourself from a fall should you get a shock v FUMES AND GASES can be dangerous Ø Plasma cutting may produce fumes and gases hazardous to health Avoid breathing these fumes and gases When cutting keep your head out of the fume Use enough ventilation and or exhaust at the arc to keep fumes and gases away from the breathing zone In confined spaces or in some circumstances outdoo...

Page 7: ... to be used at the job site special precautions should be used to prevent hazardous situations Ø Do not heat cut or weld tanks drums or containers until the proper steps have been taken to insure that such procedures will not cause flammable or toxic vapors from substances inside They can cause an explosion even though they have been cleaned Ø Always keep a fire extinguisher nearby while welding Ø...

Page 8: ...Ø Ground the equipment in accordance with the manufacturer s recommendations v MOVING PARTS can cause injury Ø Keep away from moving parts such as fans Ø Keep all doors panels covers and guards closed and securely in place Please read this Operation Manual carefully and thoroughly before attempting to operate this machine Keep this manual handy for quick reference Pay close attention to the safety...

Page 9: ...rporates resettable overload protection to assure long operating life ü 175 amp MIG Welder with spool gun and mask etc ü Operates on 200 240V automatic dual frequency 50 60Hz ü Suitable for welding stainless steel mild steel aluminum and other metal materials v WHAT S INCLUDED Ø Power Supply Ø MIG Torch Ø MIG Spool Gun Ø Ground Clamp and Cable Ø Argon Hose Ø Argon Regulator Ø 2lb of 0 023 Spool Wi...

Page 10: ...H Weight w 8 11 2 7 m torch 85lbs 38 6kg Gas Supply Steel clean dry oil free 75 argon and 25 CO 2 Aluminum clean dry oil free argon Recommended gas inlet flow rate pressure 12 14L min Input power cable length 6 1 8m Material Mild Steel 18 Gauge 1 4 Stainless Steel 18 Gauge 1 4 Aluminum 1 8 Plate or Thicker Warranty New Unit 1 Year Warranty Refurbished Unit 60 Day Warranty 1 Duty Cycle is percentag...

Page 11: ...a Shielding gas inlet fitting b Reset overload protective device1 c Power cord v FRONT CONTROL PANEL FRONT CONTROL PANEL 1 Power switch 2 Potentiometer knob 3 Wire speed feed rate adjust knob 4 Overheat light indicator 5 Gun trigger 6 Gun torch access hole 7 Opening for ground cable 1 The protector will cut off the circuit if the welding machine is in excess of the maximum load after which the swi...

Page 12: ...12 v SIDE COMPONENTS SIDE COMPONENTS 1 Positive and negative output terminals 2 Wing screw to fasten the welding torch cable 3 Wire feed tension roller 4 Wire spool mount spindle 1 2 3 4 ...

Page 13: ...Machine must be plugged into a receptacle that is grounded according to the National Electrical Code and local codes w Do not remove or defeat the purpose of the power cord ground pin Ø ENVIRONMENTAL AREA Keep the machine dry Do not place it on wet ground or in puddles Avoid rainwater Operating in rain is not allowed o SELECT SUITABLE LOCATION The machine will operate in harsh environments Even so...

Page 14: ... putting back the wire feed roller and tightening the Allen set screw Ø WELDING WIRE INSTALLATION The MIG175 welding machine can be used with wire spools of either 8 200 mm in diameter or 4 100mm in diameter The depth of either spool should not exceed 2 2 56 mm There is a 50mm plastic barrel attached to the welding machine The swing screw can adjust the resistance of the welding wire spool to keep...

Page 15: ...uide pipe 4 and over the wire feed roller 5 and into the torch hole 6 5 Reattach the rocker arm 2 and reset the presser bar 1 of the wire feeder now the welding wire can be fed smoothly 6 Remove the contact tip and nozzle from the Mig torch 7 Turn on the machine and set the wire speed about on the scale 8 With the gun pointed away from you and others depress the trigger to begin feeding wire NOTE ...

Page 16: ...ur cylinder has one 3 Install flow regulator to the supply valve on the cylinder and tighten it with a wrench 4 Install one end of the gas supply hose into the outlet of the flow regulator and tighten Connect the other end of the hose to the gas inlet located at the rear of the MIG175 welding machine The connector nipple 5 8 18 adapts to CGA 032 Ensure that the hose is not twisted or knotted 5 Slo...

Page 17: ...OCK can be fatal w Have an electrician install and service this equipment w Turn the input power off at the fuse box disconnect or unplug supply lines and allow machine to sit for five minutes minimum to allow the power capacitors to discharge before working inside this equipment w Do not touch electrically hot parts Turn the input power OFF and unplug the machine from the receptacle before workin...

Page 18: ...gger of the welding torch to release any gasses left in the hose Finally power off the welding machine 10 If you re welding patch panels or quarter panels on use the stitch type method Depress the trigger momentarily to form a small puddle or single bead Then depress again to form another bead aside of the first Continue until you have 4 or 5 small beads connected about 1 2 3 4 in length 11 Move t...

Page 19: ... wait several minutes to allow the welding machine to cool down If there is no voltage and circuit breaker was not tripped the internal thermal protector may have shut off the machine until it cools to a reasonable operating temperature This is an automatic function and does not require the user to manually reset anything The fan will continue to run while the unit is cooling If the unit is still ...

Page 20: ...20 Ø WELDING LABEL ...

Page 21: ...21 OTHER ACCESSORIES The following accessories and consumables can be purchased on www uwelding com or call 408 739 2329 to order CONSUMABLES ACCESSORIES MA01 ...