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Important Notice 

This document has been prepared by BOC Limited ABN 95 000 029 729 (‘BOC’), 

as operating instructions and has been prepared in good faith. 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. The information in this document is commercial in confidence 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 advice in reviewing the information. This document does not take 

into account the particular circumstances of the recipient. Except insofar as 

liability under any statute cannot be excluded, BOC and its affiliates, 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.

This operating manual provides the basic knowledge required for plasma 
cutting, as well as highlighting important areas of how to operate the 
BOC Smoothcut Plasma Cutting machine.

With normal use and by following these recommended steps, your 
BOC Smoothcut Plasma Cutting 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.

2

BOC Smoothcut Plasma 40 Operating manual

24799 Smoothcut Plasma 40 OP Manual CC D7.indd   2

16/04/2014   1:00 pm

Summary of Contents for Smoothcut Plasma 40

Page 1: ...Plasma 40 Operating manual 24799 Smoothcut Plasma 40 OP Manual CC D7 indd 1 16 04 2014 1 00 pm...

Page 2: ...statute cannot be excluded BOC and its affiliates directors employees contractors and consultants do not accept any liability whether arising in contract tort or otherwise for any error or omission in...

Page 3: ...perating Controls 12 6 0 Installing your Plasma Machine 13 5 1 Installing the Air Pressure Regulator 13 5 2 Setting up the power source 13 5 3 Input Power Requirements 13 7 0 Torch Assembly Attachment...

Page 4: ...e forced ventilation or local exhaust to remove fumes Use ventilating fan to remove fumes Arc rays can burn eyes and injure skin Wear hat and safety glasses Use ear protection and button shirt collar...

Page 5: ...rried out with the aid of a fume respirator or air supplied respirator as per AS NZS 1715 and AS NZS 1716 Standards You must always have enough ventilation in confined spaces Be alert to this at all t...

Page 6: ...epairs Always disconnect mains power before investigating equipment malfunctions Parts that are broken damaged missing or worn should be replaced immediately Equipment should be cleaned periodically B...

Page 7: ...s through the torch A pilot arc is established inside the head of the plasma torch The high voltage of the pilot arc changes the air stream into a plasma stream The plasma stream is constricted and fo...

Page 8: ...the cutting process plays an important role The force of the air is used to blow the molten material created by the plasma arc away from the cut area thereby creating separation Air pressure and amper...

Page 9: ...required Highly portable and relatively low cost to set up Versatility Highly versatile stack cutting of material and combinations of different materials can be cut No additional gas cylinders require...

Page 10: ...pplies guides that can be purchased to assist in straight line circular and bevel cutting For straight edge cutting the torch should be held at a 90 angle to the plate and dragged along the plate Refe...

Page 11: ...operator when establishing the arc as sparks and molten material will be ejected from the point of contact Care must also be taken to protect the surrounds from these sparks When gouging with plasma...

Page 12: ...rating Controls Thermal overload indicator On Off switch Torch connector Amperage control knob Work return lead connector Gas post flow Selector switch Plasma torch not shown Work return lead not show...

Page 13: ...1 Connect primary cable to the power supply 15Amps 2 Connect the air supply Ensure that the air pressure regulator is properly installed as per section 5 1 of this manual 3 Connect the work return lea...

Page 14: ...shield cup body is properly fitted 7 3 Fitting the torch to the power source 1 Fit torch connection A to connection point on machine indicated as Screw torch connection in firmly but do not overtighte...

Page 15: ...ead Assy BOC25 40 7000 5 Electrode BOC25 40 0200 6 Swirl Ring BOC25 40 0300 7 Cutting Tip 20 40A BOC25 40 0400 8 Shield Cup Body BOC25 40 0500 9 Shield Cap BOC25 40 0501 Accessories Description Part N...

Page 16: ...ousing protection grade IP21 Arc initiation Contact Air pressure requirement bar 4 Cutting thickness mm 1 9 Weight kg 8 Dimensions mm 350x150x260 Package consists of the following Plasma 40 power sour...

Page 17: ...ease the life of the machine and its torch consumables 9 1 Power Source Check electrical connections of unit at least twice a year Clean oxidised connections and tighten Inner parts of machine should...

Page 18: ...n compliance with operating and maintenance instructions such as connection to incorrect faulty voltage supply including voltage surges outside equipment specs and incorrect overloading Natural wear a...

Page 19: ...19 BOC Smoothcut Plasma 40 Operating manual 24799 Smoothcut Plasma 40 OP Manual CC D7 indd 19 16 04 2014 1 00 pm...

Page 20: ...oper care has been taken in the preparation no liability for injury or damage resulting from its improper use can be accepted BOC Limited 10 Julius Avenue North Ryde NSW 2113 Australia 970 988 Great S...

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