Sundstrom SR 520 Technisches Handbuch
2020-04-23
OI06H-0218 SR 520 1
Operation instruction
SR 520
Hood
Revision: 03
General information
Instructions for use for SR 520 should be read before use.
The SR 520 together with fan unit SR 500/SR 700/SR 500 EX and approved filters are included in the Sundström fan-
assisted respiratory protective device system conforming to EN 12941/EN 12942:1998.
Combination of SR 520-SR 500 EX is specially designed for using in potentially explosive and fire hazardous environments.
See user instructions or label on fan unit for classification.
SR 520 together with compressed air attachment SR 507 and breathing hose SR 358/SR 359/SR 360 are included in the
Sundström compressed air-fed respiratory device system conforming to EN 14594:2005
When selecting equipment for SR 520 some of the factors that should be considered 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.
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OI06H-0218 SR 520 2
Unpacking
Packing list:
• Hood with breathing hose
• User instructions
• Cleaning tissue
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OI06H-0218 SR 520 3
1. Assembly
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OI06H-0218 SR 520 4
1.1 Remove the protective
film on the visor.
1.2 Check that the O-ring of
the hose is in place.
1.3 Connect the hose to the
fan unit and turn it clockwise
about 1/8 of a turn.
2. Functional check before use
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OI06H-0218 SR 520 5
2.1 Turn the flow meter bag
inside out and the flow meter
appears.
2.2 Place the head-top in the
flow meter and start the fan
unit. Grip the bag to seal
around the breathing hose.
Grip the flow meter tube with
the other hand, the tube will
point 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, (175 l/min).
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.
3. Putting the hood on
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OI06H-0218 SR 520 6
3.1 Adjust the head harness
by adjusting the length of the
Velcro strap. This is important
for ensuring a good fit.
Connect the hose, put the fan
unit on and start it. See the
user instructions for the SR
500/SR 500 EX or SR 700.
3.2 Grip the hose mounting
with one hand and, with the
other, hold the strap in the
lower part of the hood.
3.3 Put your chin into the
hood.
Keep hold of the strap and
pull the hood over your head
with the hand holding the
hose mounting.
Adjust the hood so that it
seals all the way round your
face and so that it fits firmly
and comfortably.
Make sure that the breathing
hose runs along your back
and is not twisted.
4. Change the exhalation membrane
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OI06H-0218 SR 520 7
4.1 Snap off the valve cover.
4.2 Slip off the membrane.
4.3 Press the new membrane
onto the pin. Carefully check
that the membrane is in
contact with the valve seat all
way round.
4.4 Press the valve cover into
place.
A clicking sound indicates
that it is in place.
5. Change the sweatband
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5.1 Pick away one end of the
sweatband so that it is
removed together with the
tape.
Pull sweatband off.
5.2 Remove the protective
paper.
5.3 Fit the new sweatband.
The forehead strap and the
sweatband should be
mounted edge to edge.
6. Cleaning
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If necessary, spray the product with 70 % ethanol or isopropanol
solution for disinfection.
N.B. Never use a solvent for cleaning.
6.1 Sundström cleaning
tissues SR 5226 are
recommended for daily care.
6.2 If the equipment is more
heavily fouled, use a soft
brush or sponge moistened
with a solution of water and
dishwashing detergent or the
like. Rinse the equipment and
leave it to dry.
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6.4 Snap off the valve cover
from the valve seat.
6.5 Remove the membrane.
Clean the exhalation
membrane
6.6 Clean the valve seat and
check that the valve seat is
ok.
6.7 Clean the valve cover on
the inside and outside.
Andere Handbücher für SR 520
4
Dieses Handbuch passt für folgende Modelle
4
Inhaltsverzeichnis
Andere Sundstrom Dunstabzugshaube Handbücher
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Sundstrom SR561 Bedienungsanleitung
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Sundstrom
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Sundstrom
Sundstrom SR 530 Bedienungsanleitung
