Sundstrom SR 590 User manual

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Operating Instruction
SR 590 Welding shield

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General information
The Sundström SR 590 welding shield is used together with the
Sundström SR 500 battery-powered fan unit and is designed
for protecting the user against inhaling harmful and irritating air
pollutants and against radiation and weld spatter during arc
welding, MAG welding and TIG welding.
SR 590 is in one size.
The SR 590 welding shield together with fan SR 500 is approved in
accordance with EN 12941:1998, TH3.
When selecting equipment for SR 590 some of the factors that
should be taken into account are as follows:
•Type of pollutant
•Concentrations
•Work intensity
•Protection requirements in addition to respiratory protective advice.
Risk analysis should be carried by a person who has suitable
training and experience in the area.
Instructions for use for SR 590 should be read before use.

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4.1 Check flow
Before the check, also read the user
instructions for fan SR 500.
Start fan the fan
Connect the hose from the visor to the
fan unit (or compressed air equipment)
turn the coupling 1/8 of a turn.
Place the head top in the flow meter and
start the fan unit.
Grip the lower part of the bag to seal
around the breathing hose.
Grip the flow meter tube with the other
hand so that the tube points vertically
upwards from the bag.
Read the position of the ball in the tube.
This should hover at a level with or
slightly above the upper marking on the
tube.
If minimum flow is not achieved,
check that:
–The flow meter is held upright.
–The ball moves freely.
–The bag seals well around the hose.

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4.2 Putting the shield on
See also the user instructions for the SR
500 fan.
Check that the scale number of your lens
is correct for your work.
The shield is delivered with a welding
lens with scale No. 10.
Put the fan on your waist and adjust the
belt so that the fan is located firmly and
comfortably at the back of your waist.
Start the fan and adjust the air flow to
suit your work intensity.
Raise the front piece and put the welding
shield on.
If necessary, adjust the head harness in
height by lengthening or shortening the
strap for the top of the head.
The sweatband should be fitted just
above the eyebrows.

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If necessary, adjust the circumference of
the head harness by means of the rear
knob. The head harness should be fixed
tight around your head.
Lower the front piece by pulling the face
seal down under your chin.
Adjust the neck size of the face seal by
means of the elastic neck strap.
Insert a finger between your cheek/chin
and the face seal and run the finger long
the contact surface of the face seal all
the way round to check that it fits well
against the face.
Check carefully that no escaping air
comes out around the cheek and chin.
Check that the front piece is in the fully
down position, no air should be coming
out from the part above the forehead.

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Make sure that the breathing hose runs
along your back and that it is not twisted.
4.3 Taking the shield of
Leave the polluted area before taking off
the equipment.
- Take the welding shield off.
- Switch off the fan. Release the
belt and remove the fan.
- After use, clean and check the
equipment.
5.1 Maintenance schedule
The schedule specifies the minimum
maintenance routine requirements to
ensure that the equipment is always in
good working order.

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5.2 Cleaning
Remove the fan filter, battery and belt,
and remove the welding lens and
protective lens from the shield before
cleaning.
Sundström cleaning wipes SR 5226 that
clean and disinfect are recommend for
daily maintenance.
If more heavily soiled, the equipment can
be carefully blown clean with
compressed air.
However, make sure that dirt particles do
not end up in the air intake of the fan.
The equipment can then be cleaned with
a soft brush or sponge, moistened in a
solution of washing-up liquid or the like
in lukewarm water.
!! Wipe the plastic protective lens
carefully, since they are sensitive to
scratching.
!! Automatic welding lenses are very
sensitive to moisture. Use only a dry
polishing cloth.
!! N.B. Never clean with a solvent.

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5.3 Storage
After cleaning, store the equipment in a
dry and clean place at room
temperature.
Avoid direct sunlight or other sources of
heat.
The fan filters should best be stored in a
tight plastic bag.
The battery can be stored in the
Sundström charging station SR 506.
6.1 Changing the welding lenses
The welding lens should be marked with
the scale number and approval symbol.
Raise the welding lens flap.
Use your fingers to release the spring.

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Change the welding lens.
Fold the spring back.
6.2 Changing the inner protective lens
The inner protective lens is fitted in the
front piece behind the welding lens flap.

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Raise the welding lens flap.
Press the protective lens out with your
fingers from the inside of the shield.
Fit the new protective lens from the
outside.
Never use an inner protective lens made
of glass - risk of injury
by glass splinters.