Intended Use; Unpacking Your Tool; Before Use - Silverline 427677 Mode D'emploi

427677

Intended Use

Welder for light to medium-duty MIG (Metal Inert Gas) welding applications, for
use with various types of steel, using suitable flux-cored welding wires. It does not
require a gas connection as the flux-cored wire provides the shielding gas in use.
This product is not designed for commercial, trade or industrial applications.

Unpacking Your Tool

• Carefully unpack and inspect your tool. Fully 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

Before Use

WARNING: Always unplug the welding machine from the mains supply and
allow to cool fully before attempting to fit or replace any part.
Note: This tool is earthed and must only be connected to mains with a earth
connection. Do not attempt to use it without an earth connection.
IMPORTANT: Connecting to mains
• This welder is not supplied with a mains electrical plug because at full capacity
it will draw far too much power for a normal domestic mains plug and socket.
This welder must not be fitted with a standard 13A UK plug.
• A high current mains socket or terminal must be installed by a qualified and
accredited professional electrician. A 32A socket and plug conforming to IEC
60309 is recommended
• A non-socketed mains connection also requires welder connection by
a qualified and accredited professional electrician. However, a socketed
connection is safer and more strongly recommended so the welder can be
safely isolated when necessary. If directly wired to mains, a double pole,
double throw isolator switch must be fitted
• The welder must be connected to a consumer unit with a built-in RCD, using a
circuit protected by an RCD
• Please refer to the Specification for details of the maximum current required
by this welder
• If in any doubt, do not attempt to connect or use this welder until a
professional electrician has been consulted
Assembling the mask
• Use the Mask Clips (22) to assemble the flat-packed Welding Mask (21) into
its normal shape
• Fit the Handle (20) using the Handle Nuts and Bolts (17 & 18). The Handle must
be inside the Welding Mask body to protect the operator's hand from splatter
• Ensure the Safety Glass (15) protects the Welding Glass (14) from weld splatter.
If the Welding Glass is fitted as the external layer, it may get damaged by
splatter and allow dangerous ultra-violet light to reach the operator's eyes
• Fit the glass assembly into the Welding Mask using the Frame Screws (19)
and Frame Clips (16)
Installing wire
• This welder requires 0.8-0.9mm flux-cored wire
1. Turn the Case Lid Release (1) and lift the lid of the case
2. Turn the plastic top of the Reel Spindle Mechanism (26) anti-clockwise and
remove it carefully with the spring and top section
3. Place the supplied Wire Reel (25) over the reel holder spindle (shown already
fitted), positioning so that the Wire (27) will feed off the Wire Reel on the
nearest side as indicated by the arrow
4. Refit the top section, spring and plastic top of the Reel Spindle Mechanism.
Ensure the spring provides sufficient tension so the Wire Reel does not unravel
on its own
5. Release the Tension Knob (31) so that the Tension Latch (34) can be swung
clear as shown
6. Carefully release the end of the Wire from the spool and take care not to let the
Wire unravel. Ensure that the wire tip is straight and is cut off cleanly
7. Slowly feed the Wire into the end of the Reel Wire Liner (32) across the Feed
Roller (30) and into the Liner (36) and push a little way into the Liner carefully
8. Swing the Tension Latch back into position, ensuring that the Wire is centred in
the grooves of the Feed Roller and Tension Roller (35)
9. Reposition the Tension Latch as shown in image A. Tension can be adjusted by
rotating the Tension Knob
10. Close the lid and secure with the Case Lid Release
11. Pull off the Shroud (9) from the torch and unscrew the Tip (23) and remove
12. Connect the welder to the mains power supply, switch on, and hold the torch
13. Move the torch away from the machine, so that the torch cable is straight
14. Ensure that the torch is not touching anything, and squeeze the Trigger (8). The
wire feed mechanism should drive the Wire through to the torch. See image B
15. If the Wire is not driven through, disconnect from the mains power supply,
open the lid and tighten the Tension Knob (31). The drive rollers should be
just tight enough to drive the Wire through to the torch, but not so tight as to
prevent the drive roller from slipping if the Wire becomes blocked
16. When the Wire is propelled out of the end of the torch, switch off and
disconnect from the mains power supply
17. Refit the Tip and the Shroud, and trim the Wire so that approximately 5mm
projects from the tip
Removing wire reel and end of wire
1. Open the lid of the welder using the Case Lid Release (1)
2. Use a pair of pliers to draw the last of the old Wire Reel out through the Tip
(15) of the torch. If the old Wire Reel (25) is not empty, cut the wire at the spool
and release the Tension Knob (31) and move the Tension Latch (34) away from
the Feed Roller (30)
3. Then proceed as per instructions for 'Installing wire' above
Important
• Always wear appropriate personal protective equipment for the job that you
are about 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
Operation
WARNING: Always unplug the welding machine from the mains supply and
allow to cool fully before attempting to fit or replace any part.
Setting the machine
• To achieve a good quality weld, the Wire Feed Speed Dial (4) and 120/60A
Switch (3) must be set correctly. The 10% duty setting provides 120A current
and the 60% duty setting provides 60A current
• The wire speed should be adjusted to provide a steady arc. The correct setting
will depend on distance, current, torch speed, and other factors. Experiment
with wire speeds until you find an optimum setting
Note: The welder optimises current output depending on wire speed and
monitored current levels to improve weld quality and reduce splatter.
Duty Cycle
• This machine is not designed for continuous welding. Excessive continuous
welding would cause overheating and damage to internal components
• The duty cycle defines the number of minutes, in every ten minutes, that the
machine can weld
• For a duty cycle of 10%, the machine may be used for 1 minute, and then
must be allowed 9 minutes to cool. The 60% duty cycle allows 6 minutes in
every 10 minutes
• If the duty cycle is exceeded, the machine will automatically cut-out
• Using the machine at reduced current settings, and maintaining good
ventilation will maximise the duty cycle
Thermal cut-out
• When the thermal cut-out protection is operating, the Over-Heat Indicator (5)
will illuminate and the welder will shut down
• Allow the machine to cool. The cut-out will automatically reset once the
machine is ready to be used
Preparing to weld
• Ensure that parts to be joined are clean and free from rust, paint, or other
finishes
• All parts should be well supported, so that there is a gap of approximately
1mm where you intend to form the welded joint
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