Clarke MMA Series Manuale di istruzioni
WARNING: Read these instructions before using the machine
WARNING: A suitable welding headshield must be worn during use
OPERATION & MAINTENANCE
INSTRUCTIONS
ORIGINAL INSTRUCTIONS GC0219 ISSUE 1
MMA INVERTER WELDER
MODEL NO: MMA80
PART NO: 6012153
2
INTRODUCTION
Thank you for purchasing this CLARKE Welder.
Before attempting to operate the machine, it is essential that you read this
manual thoroughly and carefully follow all instructions given. In doing so you
will ensure the safety of yourself and that of others around you, and you can
also look forward to the product giving you long and satisfactory service.
Ensure the welder and its components suffered no damage during transit and
that all components are present. 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.
This guarantee is invalid if the product is found to have been abused or
tampered with in any way, or not used for the purpose for which it was
intended.
Faulty goods should be returned to their place of purchase, no product can
be returned to us without prior permission.
This guarantee does not effect your statutory rights.
TECHNICAL SPECIFICATIONS
Power Supply 230V/50Hz/1ph
Rated Max Input Current I1Max/I1eff 15.8A/7.1A
Ingress Protection IP21S
Operating range 20-80 Amp
Range of welding electrodes 1.6-2.5 mm
Weight 3.77 kg (machine only)
Dimensions (L x W x H) 288 x 125 x 195 mm
3
SAFETY WARNINGS
ELECTRIC SHOCK
1. Do not touch live electrical parts.
2. Never use electrode holders or cables which are damaged.
3. Keep the working environment, equipment, cables and clothing free from
grease, oil, moisture and dirt.
4. Ensure the welding machine has been correctly earthed.
5. The operator must be insulated from the floor and work bench using a dry
insulation mat.
6. Always ensure a second person is present in case of accident.
7. Keep welding cables away from power cables.
8. Regularly inspect the condition of the cables for signs of damage.
9. Remove the plug from the mains socket when not in use.
10. Ensure the earth connector is secured to bare metal adjacent to the weld,
and when not in use insulated for safety. - Keep all equipment well
maintained.
FUMES & GASES
1. The welding process generates hazardous fumes as a by-product.
Inhalation of these fumes is hazardous to health.
2. Keep your face away from the weld to avoid breathing the fumes.
3. If welding in confined spaces ensure adequate ventilation and use a fume
extractor.
4. By-products of welding can react to create a toxic/explosive environment.
FIRE OR EXPLOSION
1. Welding can cause fire and explosions. Precautions should be taken to
prevent these hazards.
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.
4
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. Sparks and molten metal may be ejected during welding. Take
precautions to prevent fire.
5. Sparks and molten metal can pass through gaps. Be aware that fire can
start out of sight.
6. Do not weld to pressurised containers. or containers containing flammable
vapours e.g. fuel tanks.
7. Always have appropriate fire fighting equipment to hand suitable for use in
electrical environments.
8. Avoid carrying any fuels with you e.g. cigarette lighters or matches.
PERSONAL PROTECTION
1. The body should be protected by suitable clothing.
2. The use of neck protection may be necessary against reflected radiation.
3. Arc machines generate a magnetic field which is detrimental to
pacemakers. Consult your doctor before going near active welding
equipment/operations.
4. The UV and IR radiation generated by welding is highly damaging to the
eyes, causing burns. This can also affect the skin.
5. Always use suitable welding shields equipped with appropriate filters.
6. Where there are pedestrians and traffic ensure a protective screen is used
to avoid accidental arc glare.
7. Do not weld in the vicinity of children or animals and ensure no one is
looking before striking an arc.
8. Wear hearing protection if required.
9. Allow the weld to cool. Hot metal should never be handled without gloves.
10. Take care when adjusting or maintaining the electrode/holder, that it has
had time to cool sufficiently and the welder is disconnected from the mains
supply.
11. First aid facilities and a qualified first aid person should be available unless
medical facilities are close by, for immediate treatment of flash burns of
the eyes and skin burns.
12. Flammable hair sprays/gels should not be used by persons welding.
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PROTECTIVE CLOTHING
1. Wear gauntlet type gloves designed for use when welding.
2. Wear a fire resistant apron and protective shoes.
3. Wear cuffless trousers (not turned up) to avoid catching sparks and slag.
4. Avoid wearing oily or greasy clothing.
5. Wear protective head and shoulder coverings if welding overhead.
6. Wear a helmet with safety goggles or glasses with side shields underneath,
appropriate filter lenses or plates (protected by clear glass). This is a MUST
for welding (and chipping) to protect the eyes from radiant energy and
spatter. Replace cover glass when broken, pitted, or spattered.
NOTE: All protective wear inc. masks & head shields MUST comply with
Personal Protective Equipment Directive 89/686/EEC.
ADDITIONAL SAFETY PRECAUTIONS FOR WELDING
1. Always ensure that there is ample free air circulating around the outer
casing of the machine, and that the louvres are unobstructed.
2. Always inspect the cable before use to ensure it is in good condition.
3. Always remove all flammable materials from the welding area.
4. Always keep a fire extinguisher handy;-Dry Powder, CO2or BCF, NOT Water.
5. Never remove the cover panels unless the machine is disconnected from
the power supply, and never use the machine with the panels removed.
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. Stop welding IMMEDIATELY and DO NOT attempt to use the
machine until the fault is diagnosed and corrected.
9. Never allow the earth cable or hose to become wrapped around the
operator or any person in the vicinity.
10. Never change electrodes with bare hands or damp gloves.
• Please read these instructions carefully and retain for future reference.
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SAFETY SYMBOLS
ENVIRONMENTAL RECYCLING POLICY
Through purchase of this product, the customer is taking on the
obligation to deal with the WEEE in accordance with the WEEE
regulations in relation to the treatment, recycling & recovery and
environmentally sound disposal of the WEEE.
In effect, this means that this product must not be disposed of with general
household waste. It must be disposed of according to the laws governing
Waste Electrical and Electronic Equipment (WEEE) at a recognised disposal
facility.
If disposing of this product or any damaged components, do not dispose of
with general waste. This product contains valuable raw materials. Metal
products should be taken to your local civic amenity site for recycling of metal
products.
Read this instruction
booklet carefully
before use.
Do not expose to rain.
Wear eye protection Recycle unwanted
materials instead of
disposing of them as
waste. All tools,
accessories and
packaging should be
sorted, taken to a
recycling centre and
disposed of in a manner
which is compatible
with the environment.
Wear protective gloves
Wear a dust mask
7
ELECTRICAL CONNECTIONS
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. The old plug must be discarded safely as
insertion into a power socket could cause an electrical hazard.
The wires in the mains lead should be
wired up in accordance with the
following colour code:
• Connect the GREEN & YELLOW
coloured wire to the plug
terminal marked with a letter E
or .
• Connect the BROWN coloured
wire to the plug terminal
marked a letter “L”.
• Connect the BLUE coloured wire to the plug terminal marked a letter
“N”.
We strongly recommend that this machine is connected to the mains supply
via a Residual Current Device (RCD). If you are not sure, consult a qualified
electrician. DO NOT try to carry out any repairs yourself.
WARNING! READ THESE ELECTRICAL SAFETY INSTRUCTIONS
THOROUGHLY BEFORE CONNECTING THE PRODUCT TO THE
MAINS SUPPLY.
WARNING: THE WIRES IN THE POWER CABLE OF THIS PRODUCT ARE
COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:
BLUE = NEUTRAL BROWN = LIVE YELLOW AND GREEN = EARTH.
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OVERVIEW
The following components are supplied with the MMA80 welding machine;
1 Power on LED (green) 7 Negative Terminal
2 High temperature LED (yellow) 8 Earth Cable
3 Welding current adjustment knob 9 Electrode holder
4 Power Switch (behind unit) 10 Carrying Strap
5 Welding current display 11 Welding Mask
6 Positive Terminal
• Electrode holder with cable • Earth clamp with cable
• Face Mask (in two parts plus
handle)
• Clear protective glass lens for
mask
• Dark glass filter lens (Shade no 11)
for mask
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MAIN FEATURES
INVENTORY
The following components are supplied with the 80 Amp welding machine;
• Electrode holder with cable
• Earth clamp with cable
• Face Mask (in two parts plus handle)
• Dark glass filter lens (Shade no 11) for mask
• Clear protective glass lens for mask
THE WELDING SHIELD
1. Push the two halves of the shield
together as shown, making sure
the hooks and pins on the side
engage correctly.
2. Place the handle into position
and secure using the plastic nut
provided.
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.
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3. Working from the inside of the
shield, insert the clear glass lens
into the recess in the shield,
followed by the dark glass lens.
• The clear glass must be inserted
first.
4. Insert the two plastic screws to
clamp the glass lens from the
inside of the mask.
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.
SETUP OF THE WELDER
CONNECTING THE CABLES
Make sure the on/off switch on the rear panel is in the OFF position before
connecting the leads.
1. Connect the earth (ground)
cable to the negative terminal (-).
2. Connect the electrode holder
cable to the positive terminal (+).
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1
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