Silverline 250A Arc Welder - Manual (Page 6)

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Arc Welder 868773
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c) Disconnect the plug from the power source and/or the battery pack
from the power tool before making any adjustments, changing
accessories, or storing power tools. Such preventive safety measures
reduce the risk of starting the power tool accidentally
d) Store idle power tools out of the reach of children and do not allow
persons unfamiliar with the power tool or these instructions to operate
the power tool. Power tools are dangerous in the hands of untrained users
e) Maintain power tools. Check for misalignment or binding of moving
parts, breakage of parts and any other condition that may affect the
power tool’s operation. If damaged, have the power tool repaired before
use. Many accidents are caused by poorly maintained power tools
f) Keep cutting tools sharp and clean. Properly maintained cutting tools with
sharp cutting edges are less likely to bind and are easier to control
g) Use the power tool, accessories and tool bits etc. in accordance with
these instructions, taking into account the working conditions and the
work to be performed. Use of the power tool for operations different from
those intended could result in a hazardous situation
Service
a) Have your power tool serviced by a qualified repair person using only
identical replacement parts. This will ensure that the safety of the power
tool is maintained
Welding Safety
• Welding produces toxic fumes, and can reduce oxygen levels in the work area.
Always work in a well ventilated area. Avoid inhaling welding fumes; use a
suitable respirator where appropriate
• Some metal parts may have galvanised, lead, cadmium, or other coatings.
Attempting to weld through these coatings can produce highly toxic fumes.
Always remove all coatings before welding
• If you experience irritation to the lungs, throat, or eyes whilst welding, STOP
IMMEDIATELY and seek fresh air
• Welding produces extremely high levels of UV light. To prevent eye damage
ALWAYS wear an approved welding face mask. Under no circumstances look
directly at the arc
• If there is a possibility of other people approaching the work area, erect suitable
screening to protect them from the light or glare
• To prevent skin damage ALWAYS wear a suitable fire proof long sleeve jacket,
heat proof gloves, and cap. Keep covered up
• Always remove any flammable materials (e.g. cigarette lighter, matches) from
your clothing before welding
• Always keep a fire extinguisher nearby when welding. Sparks and accidental
contacts can cause fires
• Only weld when all work pieces, and work area are dry
• Do not weld sealed containers (e.g. fuel tanks, air tanks, oil drums). The heat
generated from welding can cause sealed containers to burst without warning.
• Be aware of transferred heat. Metal parts can conduct heat away from the work
area, and cause ignition of flammable materials
• Be aware that welded parts will remain hot for some time after joining. Allow to
cool fully before handling, or leaving unattended
• Never weld in the presence of flammable gasses, liquids, or dust
• Always ensure that you have a responsible person nearby to alert you to any
fire, or to call help in an emergency
• Use of welding machines will create powerful magnetic fields. This may disturb
the operation of sensitive electronic equipment. Pacemaker wearers should
consult a doctor before using a welding machine.
• Do not overload power supply. Check that your mains wiring is capable of
delivering the required currents safely
• Maintain the arc for 1-2 seconds, then move the rod away
• Allow the weld to cool slightly, and move the mask away from your face
•
Accessories
• Welding Mask (inc. handle and visor)
• Hammer & Brush
Unpacking Your Tool
• Carefully unpack and inspect your tool. Completely familiarise yourself with all
its features and functions
• Ensure that all parts of the tool are present and in good condition. If any parts
are missing or damaged, have such parts replaced before attempting to use
this tool
Connecting to a Power Supply
WARNING: CRITICAL SAFETY INFORMATION. Failure to comply with the following
guidance can result in a fatal accident
• This welder MUST be installed by a qualified and accredited professional
electrician
• The welder must be connected to a consumer unit with a built-in RCD, using a
circuit protected by an RCD
• This welder must NEVER be connected to the mains using a 13A plug. It must
be connected to a suitable power supply capable of handling the current
demands of this product
• ALWAYS disconnect the welder from the mains supply when not in use
Assembling the Mask
1. Carefully slot the handle into the fixing slots on the mask. Ensure both nibs
engage for a secure fit
2. Remove protective wrapping from the visor and slot the visor into place
Take care not to scratch the visor, and ensure the visor engages fully with the
clips so that it fully covers the viewing panel and cannot be dislodged
Before Use
• Always wear appropriate personal protective equipment for the job that you
are to do. Use of this machine requires a welding mask, gloves, heat resistant
clothing, and if appropriate a respirator
• Always ensure that you have an appropriate fire extinguisher near to the work
area
• Always inspect your machine for damage or wear. Pay particular attention to
leads and cables. If any damage is found DO NOT USE
• Check that all casings or covers are properly closed and secured
• Position the welder in such a way that it will not move or tip in use. Ensure
that there is at least 500mm of clear space around the welder to allow proper
ventilation
Operating Instructions
Warning
• DO NOT USE this welder unless it has been connected to a suitable power
supply by a qualified person, strictly in accordance with guidance provided in
‘Connecting to a Power Supply’ above
• Always unplug the welding machine from the power supply and allow to cool
completely before attempting to fit or replace any part
• Always unplug the welder from the power supply when not in use
Setting machine
• To achieve a good quality weld the Current Control Knob (1) must be set
correctly
• Turning the control knob clockwise will increase the welding current, turning the
knob anti-clockwise will reduce the welding current
Welding rod selection
• In order to produce a good quality weld, the correct type of welding rod must be
used. Welding rods are available in a variety of thicknesses and materials, and
with a range of coatings
• See the specification table and refer to rod manufacturers guidelines to select
the correct rod for your requirements
1 Current Control Knob
2 Carry Handle
3 Power Switch
4 Electrode Holder
5 Earth Clamp
Product Familiarisation
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