Summary of MMA 140
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Mma 140 /160 o p e r at i n g m a n u a l.
Page 2: Mma 140 /160
2 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 know...
Page 3: Contents
3 welcome to a better way of welding 2 1.0 recommended safety guidelines 4 2.0 recommended safety precautions 5 2.1 health hazard information 5 2.2 personal protection 5 2.3 electrical shock 6 2.4 user responsibility 6 3.0 basic welding techniques 7 3.1 fundamentals of manual metal arc (mma) welding...
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4 • repair or replace defective cables immediately. • never watch the arc except through lenses of the correct shade. • in confi ned spaces, adequate ventilation and constant observation are essential. • leads and cables should be kept clear of passageways. • keep fi re extinguishing equipment at a ...
Page 5: 2.2 Personal Protection
5 2.1 health hazard information the actual process of welding is one that can cause a variety of hazards. All appropriate safety equipment should be worn at all times, i.E. Headwear, respiratory, hand and body protection. Electrical equipment should be used in accordance with the manufacturer’s reco...
Page 6: 2.3 Electrical Shock
6 2.3 electrical shock • never touch ‘live’ electrical parts. • always repair or replace worn or damaged parts. • disconnect power source before performing any maintenance or service. • earth all work materials. • never work in moist or damp areas. Avoid electric shock by: • wearing dry insulated bo...
Page 7: Metal Arc (Mma) Welding
7 3.1 fundamentals of manual metal arc (mma) welding welding technique successful mma welding depends on the following factors: selection of the correct electrode. Selection of the correct size of the electrode for the job. Correct welding current. Correct arc length. Correct angle of electrode to w...
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8 same time, the electrode is fed downwards to keep the correct arc length at all times. Correct travel speed for normal welding applications varies between approximately 100 and 300 mm per minute, depending on electrode size, size of run required and the amperage used. Excessive travel speeds lead ...
Page 9: 4.1 Operating Controls
9 1 overtemperature control indicator 2 on/off switch (behind machine) 3 power indicator light 4 welding current adjustment 5 negative '35' dinse connector 6 positive '35' dinse connector 4.0 machine specifi cations and contents 4.1 operating controls 1 2 6 4 3 5 4.2 mma 140 package contents • mma 1...
Page 10: 5.1 Operating Machine
10 1 4 3 1 overtemperature control indicator 2 on/off switch (behind machine) 3 power indicator light 4 welding current adjustment for mma welding connect the electrode holder to the positive (+) output terminal 6 and the work return lead should be connected to the negative (-) output terminal 5 . T...
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11 6.0 technical specifi cations magmate ™ mma 140 magmate ™ mma 160 part no. Magmma140diy magmma160diy power voltage (v) single phase ac 230v ± 15% single phase ac 230v ± 15% frequency (hz) 50 / 60 50 / 60 rated input plug (a) 10a 15a output current adjustment (a) 15-140 15-160 output voltage (v) 2...
Page 12: 7.1 Daily Maintenance
12 in maintenance of the unit, take into consideration the rate of use and the environment it is used in. When the unit is used properly and serviced regularly you will avoid unnecessary disturbances in use and production. 7.1 daily maintenance perform the following maintenance daily: • clean electr...
Page 13: 8.1 Terms of Warranty
13 warranty for magmate ™ mma 140 /160 8.1 terms of warranty boc provides a warranty for the magmate mma 140 /160 sold by it against defects in manufacture and materials. Machines under warranty will be exchanged and not repaired. • valid for 18 months from date of purchase. • freight, packaging and...
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16 magmate ™ is distributed by: boc limited abn 95 000 029 729 10 julius avenue north ryde, nsw 2113 australia boc is a trading name of boc limited, a member of the linde group, © boc limited 2014. Reproduction without permission is strictly prohibited. Details given in this document are believed to...