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Welcome to a better way of welding

Congratulations on puchasing the MagMate

 MMA 140 /160 

welding machine.

The products in BOC's manual metal arc range perform with reliability and have 
the backing of one of South Pacifi c's leading welding suppliers. 

This operating manual provides the basic knowledge required for MMA welding, 
as well as highlighting important areas of how to operate the MagMate MMA 
140 /160 welding machine.

With normal use, and by following these recommended steps, your MagMate 
MMA 140 /160 machine can provide you with years of trouble free service.

BOC equipment and technical support is available through our national BOC 
Customer Service Centre or contact your local Gas & Gear outlet.

Important Notice: This document has been prepared by BOC Limited ABN 95 000 029 729 ('BOC'), 
as general information and does not contain and is not to be taken as containing any specifi c instructions. 
The document has been prepared in good faith and is professional opinion only. Information in this document 
has been derived from third parties, and though BOC believes it to be reliable as at the time of printing, BOC 
makes no representation or warranty as to the accuracy, reliability or completeness of information in this 
document and does not assume any responsibility for updating any information or correcting any error or 
omission which may become apparent after the document has been issued. Neither BOC nor any of its agents 
has independently verifi ed the accuracy of the information contained in this document. The information in this 
document is commercial in confi dence and is not to be reproduced. The recipient acknowledges and agrees 
that it must make its own independent investigation and should consider seeking appropriate professional 
recommendation in reviewing and evaluating the information. This document does not take into account the 
particular circumstances of the recipient and the recipient should not rely on this document in making any 
decisions, including but not limited to business, safety or other operations decisions. 

Except insofar as liability under any statute cannot be excluded, BOC and its affi liates, directors, employees, 
contractors and consultants do not accept any liability (whether arising in contract, tort or otherwise) for any 
error or omission in this document or for any resulting loss or damage (whether direct, indirect, consequential 
or otherwise) suffered by the recipient of this document or any other person relying on the information 
contained herein. The recipient agrees that it shall not seek to sue or hold BOC or their respective agents liable 
in any such respect for the provision of this document or any other information.

Summary of Contents for MMA 140

Page 1: ...MMA140 160 O P E R AT I N G M A N U A L...

Page 2: ...es not assume any responsibility for updating any information or correcting any error or omission which may become apparent after the document has been issued Neither BOC nor any of its agents has ind...

Page 3: ...WeldingTechniques 7 3 1 Fundamentals of Manual Metal Arc MMA Welding 7 4 0 Machine Specifications and Contents 9 4 1 Operating Controls 9 4 2 Package Contents 9 5 0 Operating Functions 10 5 1 Operati...

Page 4: ...ylinder Never use oxygen for venting containers 1 0 Recommended Safety Guidelines Diagram and safety explanation Electrical safety alert Welding electrode causing electric shock Fumes and gases coming...

Page 5: ...paces Be alert to this at all times Keep your head out of the fumes rising from the arc Fumes from the welding of some metals could have an adverse effect on your health Don t breathe them in If you a...

Page 6: ...ator and will void your warranty Only qualified personnel approved by BOC should perform repairs Always disconnect mains power before investigating equipment malfunctions Parts that are broken damaged...

Page 7: ...aining a stable arc The electrode tends to stick to the work penetration is poor and beads with a distinct rounded profile will be deposited Excessive current is accompanied by overheating of the elec...

Page 8: ...o slow a rate of travel will frequently lead to arc instability slag inclusions and poor mechanical properties Correct work preparation The method of preparation of components to be welded will depend...

Page 9: ...s and Contents 4 1 Operating Controls 1 2 6 4 3 5 4 2 MMA 140 Package Contents MMA140 Power source Electrode holder with cable dinse connector Work clamp with cable dinse connector Primary cable with...

Page 10: ...electrode holder the machine should be switched off using the power switch on the machine In addition the main supply must be turned off and the plug removed from the outlet socket 5 1 Operating Machi...

Page 11: ...60 50 60 Rated input plug A 10A 15A Output current adjustment A 15 140 15 160 Output voltage V 20 6 25 6 20 6 26 4 No load voltage V 18 18 Duty cycle 20 120A 20 160A Power factor 0 73 0 73 Efficiency...

Page 12: ...bleshooting Main switch signal light is not lit Unit does not get electricity Check mains fuses Check mains cable and plug Unit does not weld well Arc is uneven and goes off Electrode gets stuck in we...

Page 13: ...authorised manager of BOC This warranty is in addition to any other legal rights you may have Electrode holders and torches are not covered 8 2 Limitations on Warranty The following conditions are not...

Page 14: ...14...

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Page 16: ...n in this document are believed to be correct at the time of printing Whilst proper care has been taken in the preparation no liability for injury or damage resulting from its improper use can be acce...

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