Workzone MMA-140 Instruction Manual Download | Manualshive

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140AMP Inverter Welder

01904 727506

www.coreservice.co.uk

GB

01247 5150

IRE

AFTER SALES SUPPORT

MMA-140 76597 09/2017

Item no

MMA-140

Type

Inverter Arc

Input

240V ~ 50Hz

Phase No.

1

Output current

20-140amps

Rated duty cycle

15%@140amps

Open circuit voltage

72V

Cooling type

Fan cooling

Case protection class

IP21S(Not suitable for use in rain)

Dimension

280x120x230mm

Static characteristic

Dropping characteristic

Weight

5 Kg

Product Speci cation

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Summary of Contents for MMA-140

Page 1: ...AMP Inverter Welder WARNING Read this Instruction Manual carefully before using the welder and keep it in a safe place for future reference Version Number 001 YEAR WARRANTY 3 MODEL MMA 140 76597 9 2017 01904 727506 01247 5150 ...

Page 2: ...duct specification 7 Contents 8 Safety instructions 9 Additional precautions 14 Warning symbols 15 Controls 17 Rating information 18 Operation 21 Maintenance 23 Storage transport 23 Disposal 23 Troubleshooting 24 Exploded view 25 Parts list 26 Contents ...

Page 3: ...choosing to buy a WORKZONE TITANIUM product All products brought to you by WORKZONE TITANIUM are manufactured to the highest standards of performance and safety and as part of our philosophy of customer service and satisfaction are backed by our comprehensive 3 Year Warranty We hope you will enjoy using your purchase for many years to come Introduction ...

Page 4: ...ime and increase the reliability and working life of the machine In addition to the safety regulations contained herein you must in any case comply with applicable regulations of your country with respect to the operation of the machine Put the instruction manual in a clear plastic folder to protect them from dirt and humidity and store them near the machine The instructions must be read and caref...

Page 5: ...140 76597 09 2017 Product Image Negative output terminal for earth clamp Earth cable with earth clamp Welding cable with electrode holder Positive output terminal for electrode holder Output current control Digital display see details on page 18 Protective mask Combination wire brush and chipping hammer ...

Page 6: ...these warnings are read and understood at all times CAUTION This is a Caution symbol This symbol is used throughout the instruction manual whenever there is a risk of damaging your product Ensure that these warnings are read and understood at all times Intended usage MMA 140 has been designed for repairs maintenance and serious DIY applications around the home or garage The inverter Arc technology...

Page 7: ...tem no MMA 140 Type Inverter Arc Input 240V 50Hz Phase No 1 Output current 20 140amps Rated duty cycle 15 140amps Open circuit voltage 72V Cooling type Fan cooling Case protection class IP21S Not suitable for use in rain Dimension 280x120x230mm Static characteristic Dropping characteristic Weight 5 Kg Product Speci cation ...

Page 8: ...ask 1 X Shoulder strap 1 X Instruction manual Open the packaging and remove the device carefully Remove the packaging material as well as the packaging and transport bracing if available Check that the delivery is complete Check the device and accessory parts for transport damage If possible store the packaging until the warranty period has expired WARNING The device and packaging materials are no...

Page 9: ...e using this welder Keep this booklet in a safe place for future reference Persons who are not familiar with this booklet should not use the welder Training The operator should be properly trained to use the welding machine safely and should be informed about the risks relating to arc welding procedures This manual does not attempt to cover welding technique this aspect especially for any welds re...

Page 10: ...ipes that hold or have held Do not weld coated painted or varnished surfaces as the Ventilate the work area Arc welding emits fumes which can be dangerous Make sure that the work area is well ventilated Avoid electrical contact Use adequate electrical insulation with regard to the electrode the workpiece and any accessible earthed metal parts in the vicinity Avoid direct contact with the welding c...

Page 11: ... away from the welding zone and any hot materials Consider work area environment Do not expose the welder to rain Do not use it in damp or wet locations Keep the work area well lit Dress properly using the welder Avoid exposing skin to the ultraviolet rays produced by the arc Always use the welding mask Under no circumstances should the welder be operated unless the welding mask is protecting the ...

Page 12: ...ay from the workpiece Always ensure that the welding arc is screened from onlookers or people just passing Keep children and animals away Do not let children or animals have access to the welding equipment or to the work area the electrode holder down with the welder switch On When leaving and disconnect the welder from the mains supply Do not leave hot material unattended after welding Welding ca...

Page 13: ... of the welder any part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for breakage of parts and damaged should be properly repaired or replaced by an authorised service centre Improper use Do not use this welder for pipe thawing Handling practices when lifting Safety Instructions ...

Page 14: ...n and handling Position the welding machine on a horizontal surface that is able to support the weight otherwise e g inclined or The operator MUST NOT BE ALLOWED to weld in raised positions unless safety platforms are used Voltage between electrode holders or torches Working with more than one welding machine on a single piece or on pieces that are connected may generate a dangerous accumulation o...

Page 15: ...elding circuit The no load voltage supplied by the welding machine can be dangerous in certain circumstances WARNING When using this welder provide adequate ventilation or facilities for the removal of welding fumes near the arc a systematic approach is needed in evaluating the exposure limits for the welding fumes which will depend on their composition concentration and the length of the exposure...

Page 16: ...ice co uk GB 01247 5150 IRE AFTER SALES SUPPORT MMA 140 76597 09 2017 Warning Symbols WARNING When using this welder always use a welding mask Use the skin to be exposed to the ultra violet and infrared rays produced by the arc other people in the vicinity of the arc WARNING ...

Page 17: ...this knob to set output current Welding current display The digital display shows the welding current Over temperature indicator When the indicator lights yellow This indicates that the duty cycle of the machine has been exceeded Allow the unit to cool for 20 minutes to reset before resuming welding Power indicator This indicator lights green means power is on ...

Page 18: ... and solid bodies Mains supply single phase A C 50Hz Output open circuit voltage Rated input voltage Maximum input current Rated input current Duty cycle at rated current Conventional output current range Welding voltage at rated current Rated input frequency f1 f2 1 U1 I1 MAX I1 Eff I2 U2 U0 IP21S X 50HZ WORKZONE R U U 60 70A 22 8V 72V Warning Read instruction manual before operating this equipme...

Page 19: ...e holder are easily connected to the machine by inserting the quick connector and twisting it clockwise Always Use earth clamp to clamp the workpiece Use electrode holder to hold electrode You can refer to page 5 for the connection or below line drawing CAUTION plugs clockwise and ensure that they are tight in the sockets Loose connectors will overheat damage the unit and void warranty Rating Info...

Page 20: ... Usually this is determined by the type of weld required and the thickness of the workpiece E g a butt weld in 1 5mm sheet metal can be done by a 1 6mm or 2 5mm electrode quicker The table below gives guidance as to which electrode is most suitable according to the welding current This table is only a guide and values given are an indication only Amperage Selection Guide Rod Size 1 6mm 2 0mm 2 5mm...

Page 21: ...n the 0 position means the power OFF When the switch in the 1 position means the power is ON and the switch will light red Striking arc This is done by bringing the electrode into contact with the workpiece using a light tapping action and withdrawing to create a gap of 1 5 mm 3 00 mm Maintaining arc Having created an arc all that is necessary to maintain it is to proceed steadily in one direction...

Page 22: ... the electric arc A degree of penetration is thereby obtained and a complete fusion of the workpiece and the deposited electrode is met Tip Keep the welding current as low as possible for the job at hand to maintain the best duty cycle from your welding machine prevent Thermostatic protection This welder is automatically protected from overheating by a thermal overload cut out protector If the tra...

Page 23: ... a dry place If possible store the welder in the original packaging The appliance must unconditionally be secured against falling or rolling over during transport Disposal Disposing of the packaging materials Reuse of recycled material decreases pollution in the environment Please recycle packaging where facilities exist Check with your local council authority for recycling advice Disposing of the...

Page 24: ... works no output current 1 Check if welding cables are connected correctly 2 Check output connectors not disconnected or damaged 3 Check that the earth clamp is connected securely to the workpiece and that the contact point is clean of paint or rust Over temperature indicator is on no output current 1 Duty cycle of the unit has been exceeded Allow the unit to cool for 20 minutes Output current is ...

Page 25: ...25 140AMP Inverter Welder 01904 727506 www coreservice co uk GB 01247 5150 IRE AFTER SALES SUPPORT MMA 140 76597 09 2017 Exploded view Exploded view ...

Page 26: ...ield board 7 Aluminium radiator 8 Capacitor 9 Silicon bridge 10 Relay 11 Main PCB board 12 Transformer 13 Insulation paper 14 Combination screw 15 Tapping screw 16 Combination screw 17 Plastic front panel 18 LED display 19 Potentiometer 20 Dinse socket 21 Dinse plug 22 Earth clamp 23 Welding holder 24 Combination screw 25 Cable 26 Base casing 27 Fan 28 Plastic back panel 29 ON OFF switch 30 Power ...

Page 27: ...MODEL MMA 140 PRODUCT CODE 76597 09 2017 ...

Page 28: ...as been brought to our attention In the unlikely event of such an occurrence or if you require any information about the product please contact us via our helpline support services details of which are to be found both in this manual and on the product itself PRODUCED IN CHINA FOR ALDI STORES LTD PO BOX 26 ATHERSTONE WARWICKSHIRE CV9 2SH ALDI STORES IRELAND LTD PO BOX 726 NAAS CO KILDARE Visit us ...

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