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OPERATING INSTRUCTIONS 

 

 

 
 
 
 

 
 
 
 

 

 

The manual is the same with skill operator; we request to read the instruction.

People who without training cannot install operating or maintenance the equipment, if

you read and understand the detail rule in this book. You can install or operate, if you

cannot understand, please contact the supplier to get further information. 

 

Caution

WM 151-C 

WELDING MACHINE 

Summary of Contents for WM 151-C

Page 1: ... instruction People who without training cannot install operating or maintenance the equipment if you read and understand the detail rule in this book You can install or operate if you cannot understand please contact the supplier to get further information Caution WM 151 C WELDING MACHINE ...

Page 2: ...e part forward the require in written or calling form to the licensed distributors The user can not change any parts without the manufactures advanced permission Otherwise the user shall be responsible for an the accidents caused by the inappropriate use Catalogue Chapter Paragraph Content Page Safety Safety caution 3 Chapter 1 Product description 6 Chapter 2 Assembly 8 Chapter 3 Operation 12 Chap...

Page 3: ... insulated footwear Always operate the welder in a clean dry well ventilated area Do not operate the welder in humid wet rainy or poorly ventilated areas Be sure that the work piece is properly supported and grounded prior to beginning any electric arc welding operation Coiled welding cable should be spread out before use to avoid overheating and damage to insulation Electric arc welding operation...

Page 4: ...electric arc welder in areas where flammable or explosive vapors may be present Take precautions to be sure that flying sparks and heat do not cause flames in hidden areas cracks behind bulkheads etc Do not breathe fumes that are produced by the arc welding operation These fumes are dangerous If the welding area cannot be adequately ventilated be sure to use an air supplied respirator Keep the hea...

Page 5: ...e The wrong or inappropriate equipment maintenance can cause injury or death The licensed people can do assembly maintenance and some other operation The power source shall be turned off when any maintenance work in the power source needed Endure that the cable earth wire connector main lead and power supply are in the normal work Do not abuse equipments and firing Keep the safe equipment and cabi...

Page 6: ...t voltage 36VDC Rated output current 30A 50A 75A 105A Rated output voltage 15 5V 16 5V 17 7V 19 2V Duty cycle 100 60 30 15 Insulation grade H Weight 26 2Kg Dimension L W H 72cm 32cm 54cm 1 3 Voltage characteristic and current characteristic of welding power The curve as diagram1 1 means V A external static characteristic of welding power gradient of cure named slope normal means drop off voltage p...

Page 7: ...xceed 75 decibel 1 6 Safety Before operating the equipment you must read the safety directions to avoid the hurt that because of misapply and impropriety in stalling 1 7 Accessories 1 7 1 Hammer brush In order to operate the machine confidently our company will give you one hammer and one brush as present 1 7 2 Mask with welding screening black glass When welding the mask will protect your eyes an...

Page 8: ...ou should notify the conveyance if lack spare parts please notify the dealer at once Take the spare parts out from packing box remove the packing material and check if any cast in packing box Check every airway in the shell and make sure packing box can t block air circulating Choose roomy ground to placed spare parts in order to installing conveniently 2 3 Installing Connect frame of welding mach...

Page 9: ...aight handle 3 Fix brace Diagram 2 3 2 3 4 Fixing the wire reel Step 1 Open the right sideboard and strip the wing nut from wire feed spool axle Step 2 Hold the spring and wire spool into wire feed spool axle successively and then hold the wing nut as diagram 2 4 Diagram 2 4 Right sideboard Wire spool axle Wire spool ...

Page 10: ... tube of welding torch then close the equipment c adjust the impaction nut of wire feed wheel Step 4 Close the right sideboard 2 3 5 Installing the power plug Connect a 20A plug 230VAC 20A to the line cord This step must be done by a licensed electrician Green wire ground Ground Green Neutral White Hot Black 2 3 6 Fixing the face shield as diagram 2 6 Diagram 2 6 Black White Green ...

Page 11: ...onnection welder to gas cylinder Clean the threads of the gas cylinder valve Also open the gas valve for a few seconds to blow out any dirt of particulates which may have gotten into the oracle in order to prevent them from entering the regulator Check your regulator outlet flow meter 0 25L Min inlet gauge 0 25Mpa pressure range for safe outpouring 0 0 35Mpa to make sure that it was supplied with ...

Page 12: ...switch on ON position means supply power for the main transformer and control circuit 3 1 2 MIN MAX switch MIN MAX switch is at the front panel of machine each have two shelves opposite output data as table 3 1 MIG 151Comparison table of output adjusting switch position and output current Switch Position MIN MAX 1 2 Working Current Duty Cycle Working Voltage No load Voltage MIN 1 30A 100 15 5V 21V...

Page 13: ...unding cable connects terminal another cable welding torch cable connect terminal A B Diagram 3 2 Step1 Use ground clamp to connect the grounding cable and work piece or connect the metal carriages as work table make sure the clamp has been contacted fully with work piece and clear the rust and paint Step2 Select the welding current adjust the position of MIN MAX and 1 2 switch use higher welding ...

Page 14: ...onnect terminal another cable welding torch cable connect terminal The diameter of the wire you select should correspond to the thickness of the work piece Make sure that the contact tip you are using is the same size as the wire diameter Step1 Use ground clamp to connect the grounding cable and work piece or connect the metal carriages as work table make sure the clamp has been contacted fully wi...

Page 15: ...Once the arc is ignited tilt the electrode wire forward at an angle of approximately 35o as diagram 3 3 Step13 When the weld is complete lift the electrode wire clearly away form any grounded object set the Face Shield down and turn the Power Switch to the OFF position Step14 Unplug the Power Cord from the electrical outlet Step15 Close the gas cylinder valve Step16 Depress torch trigger to releas...

Page 16: ...e alleyway cleanness After cleaning by low pressure check any hardware has flexible if flexible you must firm them include all electric connector Check if insulation of cable has been frayed if the cable has been frayed you must replace it If you replace the cable improperly the bare cable may contact the grounding objects the arc can hurt your eyes or bring bad fire If body contact the have cable...

Page 17: ... not feed properly 1 Insufficient wire feed pressure 2 Wing nut is too loose 1 Increase wire feed pressure properly 2 Tighten wing nut Welding arc not stable 1 Heavy loads making power line voltage low 2 Work piece not properly grounded 3 Incorrect wire feed speed 1 Run welder on rated line voltage 2 Verify proper grounding No paint varnish or corrosion Replace by career 3 Adjust wire feed speed t...

Page 18: ... Φ0 8 0 9Kg 1 4 Gallus 2 5 Face shield 1 6 Screening glass 1 With face shield 7 Hammer Brush 1 8 Handle socket 2 9 Kickstand 1 10 Wheel 5 2 11 Axle socket 2 12 Axle Φ10mm 1 13 Straight handle 1 14 Brace 1 15 Contact tip Φ0 8 1 16 Spanner 1 17 Bolt GB845 ST4 2 13 2 18 Bolt GB845 ST4 2 20 4 19 Rings GB896 8 2 ...

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