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DO NOT weld where solvent vapours can be drawn into the welding or cutting atmosphere or where the radiant energy can penetrate to
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atmospheres containing even minute amounts of trichloroethylene or perchloroethylene.
Prevent dangerous conditions arising by providing adequate ventilation. NEVER ventilate with oxygen.
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DANGER! Lead-, cadmium-, zinc-, mercury- and beryllium-, bearing materials, when welded (or cut) may produce harmful
concentrations of toxic fumes. Adequate local exhaust ventilation must be used, or each person in the area as well as the operator
must wear an air- supplied respirator. For beryllium, both must be used. Metals coated with or containing materials that emit toxic fumes
should not be heated unless coating is removed from the work surface, the area is well ventilated, or the operator wears an air-supplied
respirator.
DO NOT work in an unventilated confined space. If necessary, wear an air-supplied respirator.
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WARNING!: Generator engine exhaust must be vented to the outside air. Carbon monoxide can kill.
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1.2.3.
Protection from Arc
WARNING!: Use welding head shield to protect eyes and avoid exposing skin to ultraviolet rays given off by electric arc. Looking at
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an arc momentarily with unprotected eyes (particularly a high intensity gas-shielded arc) can cause a retinal burn that may leave
a permanent dark area in the field of vision.
Before welding whilst wearing contact lenses, seek advice from your optician.
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Avoid unintentional contact with workpiece. Accidental or uncontrolled arcing on the electrode holder may be dangerous.
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DO NOT hit the electrode on the workpiece, this may damage the electrode and make strike-up difficult.
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Wear safety welding gauntlets.
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1.2.4.
Welding Environment.
Locate the inverter in a suitable work area.
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See Section 11 regarding Electromagnetic Compatibility.
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Keep the work area clean and tidy and free from unrelated materials. Also ensure that the work area has adequate lighting.
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DO NOT get inverter wet or use in damp or wet locations or areas where there is condensation.
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First aid facilities and a qualified first aid person should be available during welding operations.
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For production welding, a separate room or enclosed bay should be provided. In open areas, surround the operation with low reflective,
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non-combustible screens or panels. Allow for free air circulation, particularly at floor level. Provide face shields for all persons who will
be looking directly at the weld. Before starting to weld, make sure that screen or bay doors are closed.
Always ensure that there is full free air circulating around the outer casing of the machine, and that the louvres are unobstructed.
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1.2.5.
Fire Hazard
WARNING: Be aware that flying sparks or falling slag can pass through cracks, along pipes, through windows or doors, and
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through wall or floor openings, out of sight of the operator. Sparks and slag can fly 10m.
DO NOT weld within 10 metres of combustible materials (including building construction materials).
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DO NOT weld adjacent to openings (concealed or visible) in floors or walls within 10m that can expose combustibles to sparks.
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DO NOT weld near to walls, ceilings, roofs or metal partitions where there are combustibles that can be ignited by radiant or
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conducted heat.
Have suitable fire extinguishing equipment available and someone to use it during welding operations and for some time after
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welding ceases. After work is done, check that area is free of sparks, glowing embers, and flames.
1.3.
PRODUCT CARE & MAINTENANCE
DO NOT attempt to fit any unapproved electrode holder, components, or parts to the inverter unit.
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Keep the inverter clean for best and safest performance.
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WARNING: If the case is opened for maintenance or repair, wait 10-15 seconds after the unit is switched off for the capacitor to discharge.
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2. INTRODUCTION
Compact and lightweight unit, suitable for arc welding and TIG using the lift start method. Unit can arc weld a variety of rods including rutile, basic
and stainless from Ø1.6mm up to Ø5mm (see table below). Features thermal cut-out protection. Portability allows the welder to be taken to the job
at hand, ideal for the mobile technicians. Supplied with 2m 16mm² cable with electrode holder and 2m 16mm² earth clamp and cable, both with 35-
70 quick connectors. Forced air cooling system. Optional TIG accessory kit available Model No. TIG10S.
3. SPECIFICATION
Model No.
Welding Current
Duty Cycle
Electrode Capacity
Absorbed Power
Supply
Protection
TIG Accessory Kit
(Optional)
4. PREPARATION
WARNING! Ensure that the inverter is not plugged into the mains power supply before connecting or disconnecting cables.
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For electrical installation, see Safety Instructions (Section 1).
WARNING! Failure to follow the electrical safety instructions may affect the operating performance and could damage the
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built-in safety system which, in turn, could result in personal injury or fatality and will invalidate the warranty.
4.1.
WELDING CABLE "ELECTRODE HOLDER" CONNECTION
4.1.1.
Before connecting cables it is important to refer to the electrode manufacturer's instructions on the electrode packaging which will
indicate the correct polarity connection for the electrode, together with the most suitable current to use.
© Jack Sealey Limited
MW180i
20-180A
100%@80A
60%@104A
20%@180A
Ø1.6-4.0mm
7.8kW
230V
IP21S
TIG10S - Inverter TIG Welding Torch 16mm²
Original Language Version
MW200i
20-200A
100%@89A
60%@115A
20%@200A
Ø1.6-5mm
9.2kW
230V
IP21S
MW180i, MW200i
Issue:2 (3)
14/03/22
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