4.2 Storage
After cleaning, store the equipment in a dry and clean place at
room temperature. Avoid exposing it to direct sunlight.
4.3 Maintenance schedule
Recommended minimum requirements on maintenance
routines so you will be certain that the equipment will always
be in usable condition.
Before use After use Annually
Visual inspection
Performance check
Cleaning
Change of O-ring
for breathing hose
Change of exhalation membrane
4.4 Change parts
Always use genuine Sundström parts. Do not modify the
equipment. The use of non-genuine parts or modification of
the equipment may reduce the protective function and put at
risk the approvals received by the product.
4.4.1 To change the exhalation membrane
The exhalation membrane is mounted on a pin on the inside of
the valve cover. The cover must be changed at the same time
as the membrane. Proceed as follows:
• Snap off the valve cover from the valve seat. Fig. 11.
• Slip off the membrane.
• Press the new membrane onto the pin. Carefully check that
the membrane is in contact with the valve seat all round.
• Press the valve cover into place. A clicking sound indicates
that it is in place.
4.4.2 To change the sweatband
The sweatband is secured to the forehead strap by double-
sided adhesive tape. Proceed as follows:
• Pick away one end of the sweatband so that it is removed
together with the tape.
• Pull the sweatband off.
• Remove the protective paper and fit the new sweatband.
5. Technical specification
Weights
Model
Hood SR 520
Hood SR 530
Materials
Plastic parts are marked with the material code and recycling
symbol.
Temperature range
• Storage temperature: from -20 °C to +40 °C at a relative
humidity below 90 %.
• Service temperature: from -10 °C to +55 °C at a relative
humidity below 90 %.
• Service temperature when used together with fan SR 500
EX is -10 °C to +40 °C.
Shelf life
The equipment has a shelf life of 5 years from the date of
manufacture.
•
•
•
•
Approx. weight
360 g
480 g
6. Key to symbols
•
<XX% RH
•
•
+XX°C
-XX°C
•
•
>XX+XX<
7. Approval
• Hoods SR 520 and SR 530 in combination with fan unit
SR 500/SR 500 EX or SR 700 are approved in accordance
with EN 12941:1998, class TH3.
• Hoods SR 520 and SR 530 in combination with fan
SR 500 EX are approved in accordance with ATEX Directive
2014/34/EU and IECEx Scheme.
• Hoods SR 520 M/L and SR 530 in combination with SR 507
and air hose SR 358 or SR 359 are approved in accordance
with EN 14594:2005, class 3B.
• Hoods SR 520 M/L and SR 530 in combination with SR 507
and air hose SR 360 are approved in accordance with
EN 14594:2005, class 3A.
The PPE Regulation (EU) 2016/425 Type-examination has been
issued by Notified Body 2849. For the address, see the reverse
side of the user instructions.
The ATEX Type-examination certificate have been issued by
Notified Body No. 2804, ExVeritas ApS.
The IECEx Type-examination certificate have been issued by
Certification Body: ExVeritas Limited.
The EU declaration of conformity is available at
www.srsafety.com
UKCA
UKCA Type-examination in agreement with Regulation
2016/425 on personal protective equipment as brought into
UK law and amended have been issued by UK Approved
Body No 0194, INSPEC International Ltd, 56 Leslie Hough
Way, Salford, Greater Manchester, M6 6AJ, United Kingdom.
UK Type-examination in agreement with Equipment and
Protective Systems Intended for use in Potentially Explosive
Atmospheres Regulations 2016 have been issued by UK
Approved Body No 2585, ExVeritas Limited.
The UKCA declaration of conformity is available at www.
srsafety.com
See user instructions
Date wheel
CE approved by INSPEC International B.V.
Relative humidity
Temperature range
Material designation
17