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Related Manuals for Clarke MMA Series
Summary of Contents for Clarke MMA Series
- Page 1 WARNING: A suitable welding headshield must be worn during use WARNING: Read these instructions before using the machine MMA INVERTER WELDER MODEL NO: MMA80 PART NO: 6012153 OPERATION & MAINTENANCE INSTRUCTIONS ORIGINAL INSTRUCTIONS GC0219 ISSUE 1...
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Page 2: Technical Specifications
Should any loss or damage be apparent, please contact your CLARKE dealer immediately. GUARANTEE This CLARKE product is guaranteed against faulty manufacture for a period of 12 months from the date of purchase. Please keep your receipt as proof of purchase. -
Page 3: Safety Warnings
SAFETY WARNINGS WARNING: WHEN USING ELECTRICAL TOOLS, BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK AND PERSONAL INJURY WARNING: READ ALL THESE INSTRUCTIONS BEFORE ATTEMPTING TO OPERATE THIS PRODUCT AND KEEP THESE INSTRUCTIONS IN A SAFE PLACE. ELECTRIC SHOCK 1. -
Page 4: Personal Protection
2. Before starting work ensure the area is clear of flammable materials and move any combustible materials to a safe distance, especially substances likely to generate a dangerous vapours. 3. The welding arc can cause serious burns. Avoid contact with skin. 4. -
Page 5: Protective Clothing
6. Never attempt any electrical or mechanical repair unless you are a qualified technician. If you have a problem with the machine contact your local CLARKE dealer. 7. Never use or store in a wet/damp environment. 8. Never continue to weld, if, at any time, you feel even the smallest electric shock. -
Page 6: Safety Symbols
SAFETY SYMBOLS Read this instruction Do not expose to rain. booklet carefully before use. Wear eye protection Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and Wear protective gloves packaging should be sorted, taken to a recycling centre and disposed of in a manner which is compatible... -
Page 7: Electrical Connections
ELECTRICAL CONNECTIONS WARNING! READ THESE ELECTRICAL SAFETY INSTRUCTIONS THOROUGHLY BEFORE CONNECTING THE PRODUCT TO THE MAINS SUPPLY. Connect the mains lead to a standard, 230 Volt (50Hz) electrical supply through an approved 13 amp BS1363 plug, or a suitably fused isolator switch. If the plug has to be changed because it is not suitable for your socket or because of damage, it must be removed and a replacement fitted, following the wiring instructions shown below. - Page 8 OVERVIEW Power on LED (green) Negative Terminal High temperature LED (yellow) Earth Cable Welding current adjustment knob Electrode holder Power Switch (behind unit) Carrying Strap Welding current display Welding Mask Positive Terminal The following components are supplied with the MMA80 welding machine; •...
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Page 9: Main Features
MAIN FEATURES ARC-FORCE Automatically increases the current to prevent the elec- trode sticking when operating with a short arc length . HOT START Increases the welding current at the beginning of the welding process. ANTI-STICK The electrode can be easily withdrawn without it becoming damaged. -
Page 10: Setup Of The Welder
When replacing the glass lenses only use parts supplied by Clarke International. The shaded filter lens is a certified, specific optical glass and should not be exchanged for any other type. • The clear glass cover lens should be replaced when it becomes badly pitted. -
Page 11: Using The Welder
PREPARING THE WORKPIECE The area being welded should be perfectly clean. Any coating, plating or corrosion must be removed, otherwise a good weld will be impossible to achieve. FITTING THE WELDING ROD 1. Select the appropriate welding rod and grasp it in the welding rod holder. •... -
Page 12: Striking An Arc
STRIKING AN ARC IMPORTANT: BEFORE YOU STRIKE AN ARC, ALWAYS BRING THE FACE SHIELD UP TO PROTECT YOUR EYES. 1. Line up the electrode exactly over the spot where you want to strike the arc. 2. Position your shield in front of your face and tap down firmly with the electrode. -
Page 13: Welding Pitfalls
WELDING PITFALLS The arc welding technique is an acquired skill and requires considerable practice before perfect results are obtained. The diagrams below will help to explain the pitfalls in your technique and how to overcome them. ARC TOO SHORT This causes irregular masses of weld to be deposited, with slag contamination on an uneven surface. -
Page 14: Maintenance
Always inspect both cables before use to ensure they are in perfect condition and that the earth clamp is clean and secured correctly to the cable. Consult your CLARKE dealer for any internal repairs if necessary. STORAGE 1. Turn off the welder and disconnect it from the power supply. -
Page 15: Rating Plate
RATING PLATE Name/address of manufacturer 13 Conventional Load Voltage Model number/ part number Energy Input symbol Batch number Rated supply voltage Single phase transformer Rated maximum supply current British Standards applied Maximum effective supply current Manual metal arc welding with covered electrode This symbol indicates that the unit is suitable for carrying out... -
Page 16: Troubleshooting
Unable to strike an Bad clamp connection. Check clamp connection. Inverter printed circuit Contact your nearest board is defective. CLARKE dealer. No output voltage Overheated machine (the Wait for thermal cutout to yellow LED should be on). reset. Internal relay has failed. - Page 17 Improve ventilation. working. environmental temperature has caused the overheating protection to operate. ACCESSORIES The following are some of the accessories available from your CLARKE dealer. Please quote the part numbers shown below: DESCRIPTION PART NUMBER 1.6 mm Welding Electrodes 3050580...
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Page 18: Parts List/Diagram
PARTS LIST/DIAGRAM DESCRIPTION DESCRIPTION CARRY STRAP COOLING FINS 2 MACHINE COVER COOLING FINS 3 POWER SWITCH RECTIFIER BOTTOM PANEL IGB TRANSISTOR WELDING CURRENT KNOB ELECTROLITIC CAPACITOR LED INDICATOR PRINTED CIRCUIT BOARD DIN CONNECTOR MAIN TRANSFORMER FAN COVER FAST RECOVERY DIODE BACK PANEL COOLING FINS 1 FRONT PANEL... -
Page 19: Declaration Of Conformity
DECLARATION OF CONFORMITY Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com...
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