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230V GAS/GASLESS
MIG WELDERS
71091-71095
IMPORTANT: Please read these instructions carefully to ensure the safe and effective use of this product and save
these instructions for future reference. This manual has been compiled by Draper Tools and is an integrated part of the
product with which it is enclosed and should be kept with it for future references.
This manual describes the purpose for which the product has been designed and contains all the necessary information
to ensure its correct and safe use. We recommend that this manual is read before any operation or, before performing
any kind of adjustment to the product and prior to any maintenance tasks. By following all the general safety
instructions contained in this manual, it will ensure both product and operator safety, together with longer life of the
product itself.
AlI photographs and drawings in this manual are supplied by Draper Tools to help illustrate the operation of the product.
Whilst every effort has been made to ensure accuracy of information contained in this manual, the Draper Tools policy
of continuous improvement determines the right to make modifications without prior warning.
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Summary of Contents for Draper 71091
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Page 1: Mig Welders
IMPORTANT: Please read these instructions carefully to ensure the safe and effective use of this product and save these instructions for future reference. This manual has been compiled by Draper Tools and is an integrated part of the product with which it is enclosed and should be kept with it for future references. -
Page 2: Introduction
Commercial copying, redistribution, hiring or lending is prohibited. No part of this publication may be stored in a retrieval system or transmitted in any other form or means without written permission from Draper Tools Limited. In all cases this copyright notice must remain intact. - Page 3 2. CONTENTS 2.1 CONTENTS ................Page content Page TITLE PAGE INTRODUCTION ....................2 REVISION HISTORY ..................2 UNDERSTANDING THIS MANUAL ..............2 COPYRIGHT NOTICE ..................2 CONTENTS CONTENTS ......................3 GUARANTEE GUARANTEE...................... 4 INTRODUCTION SCOPE........................ 5 SPECIFICATION....................5 HANDLING & STORAGE..................5 HEALTH &...
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Page 4: Guarantee 3.1 Guarantee
3. GUARANTEE 3.1 GUARANTEE Draper tools have been carefully tested and inspected before shipment and are guaranteed to be free from defective materials and workmanship. Should the tool develop a fault, please return the complete tool to your nearest distributor or contact Draper Tools Limited, Chandler's Ford, Eastleigh, Hampshire, SO53 1YF. -
Page 5: Specification
These MIG welders are a limited duty machine designed to perform ARC welding fabrication on a variety of steel types with either shield gas or flux cored filler wire. 4.2 SPECIFICATION Stock no..............71091..........71095 Part no..............MW140T ........MW170T Input: Voltage (U ..V) .......... -
Page 6: General Safety Instructions
5. HEALTH & SAFETY INFORMATION 5.1 GENERAL SAFETY INSTRUCTIONS WARNING: When using electric tools basic safety precautions should always be followed to reduce the risk of fire, electric shock and personal injury including the following. Read all these instructions before attempting to operate this product and save these instructions. Electric shock can kill: –... - Page 7 5. HEALTH & SAFETY INFORMATION – The welding arc can cause serious burns. Avoid contact with skin. – Sparks and molten metal are cast out during welding. Take precautions to prevent fire igniting and wear protective clothing. – Sparks and molten metal can pass through gaps. Be aware that fire can start out of sight. Flammables in a locked cabinet may not be safe.
- Page 8 Follow the manufacturer's instructions for handling, storing and using the gas bottle correctly and safely. – Use the correct equipment to connect the gas bottle to the welding torch. Limitations: – Do not use for; Stock No.71091 Part No.MW140T • operations in severe conditions MW140T NO.: (e.g. extreme climates, freezer applications, IEC 60974-1 strong magnetic fields etc).
- Page 9 5. HEALTH & SAFETY INFORMATION 5.2 CONNECTION TO THE POWER SUPPLY Make sure the power supply information on the machine's rating plate is compatible with the power supply you intend to connect it to. This machine comes supplied without a plug. It is designed for connection to a 16amp power supply rated at 230V AC.
- Page 10 6. IDENTIFICATION Thermal cutout warning light. Tension roller. Wire speed control. Tensioner adjustment knob. On/off switch (includes voltage selection). Wire guide. Handle. Gas/No gas polarity terminals. 1/2 switch. Front castors. Min/Max switch. Rear wheels. Power cable. Latch. Spool hub (spool shown not supplied). Cooling fan.
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Page 11: What's In The Box
Carefully remove the product from the packaging and examine it for any sign of damage caused during shipping. Lay the contents out and check them. If any part is damaged or missing, do not attempt to use the tool and contact the Draper Helpline immediately (see back page for details). -
Page 12: Location
8. PREPARING THE WELDERS Warning! Do not make any adjustments, maintenance or servicing with the machine connected to the power supply. 8.1 FITTING THE WHEELS (71095 ONLY) Fit the front castor wheels using the 8 screws provided. Slide axle through both axle loops (4 per wheel). iii. - Page 13 8. PREPARING THE WELDERS FIG. 3 Lift the latch to release the side cover For smaller reels; remove the locking and spring . Install the small spool onto the spool holder. Refit in reverse order. iii. Fit the wire spool so that it feeds off the top of the roll towards the wire drive unit.
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Page 14: Gas/No Gas
8.6 GAS BOTTLE CONNECTION (FIG.6) To connect a gas bottle to the welder, you may need a suitable regulator such as Draper Stock No.44509, or similar. Attach a suitable gauge gas hose (not supplied) to the large gas bottle... -
Page 15: Welding Current Regulation Switches
9. OPERATING INSTRUCTIONS 9.1 ON/OFF SWITCH (FIG.7) FIG. 7 The on/off switch is a rocker switch. Press the top half in to switch the welder ‘on’ and the bottom half in to switch the welder ‘off’. Warning: Turning the machine switch to wrong setting for the supply voltage can cause damage that would not be covered under warranty. -
Page 16: Thermal Cut-Out
Likewise and more importantly the wire feed tip must be kept clean to avoid the wire becoming blocked or restricted. Use of an anti-spatter spray (Draper Stock No.05709) will help keep the end result more tidy. -
Page 17: Troubleshooting
10. TROUBLESHOOTING EXAMPLE TERM CAUSE - Incorrect arc distance. - Welding current too low. Insufficient penetration - Wire speed to low. - Welding line not central to butt. - Wire size too large for application. Overlap - Torch speed too slow. - Contamination in the metal (eg rust). - Page 18 11. MAINTENANCE 11.1 MAINTENANCE Warning: Remove the plug from the power supply. Periodically the welder must be checked as detailed below. • Check the gas hose, torch cable and ground cable connections. • Clean the contact tip and the gas diffuser with an iron brush. Replace if worn. •...
- Page 19 12. EXPLANATION OF SYMBOLS 12.1 EXPLANATION OF SYMBOLS Warning! Disable the machine Warning! before attempting to maintain it Read the instruction manual Thermal cut out Danger! Electricity. Keep your distance Metal inert gas Class 1 appliance (must be earthed). Keep away from rain Conforms to all relevant safety standards.
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Page 20: Disposal 13.1 Disposal
13. DISPOSAL 13.1 DISPOSAL - At the end of the machine’s working life, or when it can no longer be repaired, ensure that it is disposed of according to national regulations. - Contact your local authority for details of collection schemes in your area. In all circumstances: •... - Page 21 14. GLOSSARY 14.1 GLOSSARY ALPHABETICAL LIST OF WORDS RELATING TO THIS MANUAL Duty cycle The duty cycle is the percentage of 10 minutes that the machine can weld for at a set amperage (10%=1min up to 100%=10mins). The higher the amperage, the lower the welding time. Polarity The relative orientation of electric poles.
- Page 22 NOTES...
- Page 23 NOTES...
- Page 24 ©Published by Draper Tools Limited. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical photocopying, recording or otherwise without prior permission in writing from Draper Tools Ltd. DBMC0317...
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