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Use of the SR 500 Powered Air-Purifying Respirator must be
in accordance with applicable health and safety standards,
respirator selection tables contained in such publications as
American National Standards Institute (ANSI) Z88.2-2015 or
the Canadian Standards Association (CSA) Standard Z94.4.
4.2 NIOSH Approval Label
For a listing of the components of the NIOSH approved SR 500
Powered Air-Purifying Respirator system using the SR 601
and SR 602 Hoods refer to the NIOSH Approval Label, which
is an insert to the SR 500 PAPR User Instructions. The NIOSH
Approval label also contains the NIOSH cautions and limita-
tions. For additional copies contact Sundström in the U.S.A.
and Canada at 1- 877- SUNDSTROM.
4.3 Donning (putting the hood on)
See also the User Instructions for SR 500 Powered Air-Purifying
Respirator.
• Grip both sides of the hood opening with your hands. Draw
the hood carefully over your head. Fig. 8, 9.
• Adjust the hood's neck seal using the elastic neck strap.
Fig. 10. (SR 602)
• Adjust the hood so that it fits closely and comfortably.
• If necessary, adjust the head harness. There are a lot of
adjustment options, see Fig. 11. To adjust the head harness
easier, remove the head harness from the hood, see 6.6 To
change the head harness.
Height adjustment
A - how deep the head end up in the head part.
B - how high the hood sits on the head.
Angle adjustment between visor and head harness
C - the angle against the visor. Adjust if the face is too close
to the visor.
D - adjustment of the angle of the headband around the back
of the head.
Width adjustment of the head harness
E - rough adjustment of the width of the head harness.
F - the width of the head harness.
• If necessary, adjust the distance from the visor to the face.
Fig. 12.
• Check and adjust so that the breathing hose runs along your
back and that it is not twisted. Fig. 13.
Airflow deflector
• The airflow can be directed towards visor or face for optimal
comfort. Fig. 14.
4.4 Doffing (taking the hood off)
See also the User Instructions for SR 500 Powered Air-Purifying
Respirator.
Leave the polluted area before removing the respiratory protec-
tion inlet covering and SR 500 PAPR fan unit.
• Take off the respiratory inlet covering.
• Switch off the fan.
• Release the belt and remove the fan unit.
• After use, the SR 500 components must be cleaned,
inspected and prepared for reuse (e.g. charge the batteries).
5. Technical Specifications
Shelf life
The respiratory protection inlet coverings have a shelf life of 5
years from the date of manufacture.
6
Temperature range
Storage temperature: from -4°F to 104°F (-20 °C to +40 °C) at
a relative humidity below 90 %.
Service temperature: from 10°F to 131°F (-10 °C to +55 °C) at
a relative humidity below 90 %.
Materials
• Hood SR 601: Microchem® 2800
• Hood SR 602: Microchem® 4000
• Neck seal of SR 601: Microgard® 1500
• Neck seal of SR 602: Cotton/lycra
• Breathing hose: Polyurethane (PU)
• Visor: 0.5 mm PETG
Plastic parts are marked with the material code and recycling
symbol.
Airflow Range
During normal operation, the air flow rate is at least 6.2CFM (175
l/min), which is the manufacturer's recommended minimum
flow rate or MMDF. On boosted operation, the air flow rate is
at least 7.9CFM (225 l/min).
Noise Level
Less than 75dBA (excluding external noise).
Heat and Flame Resistance
The hood materials are not flame resistant and must not be
used around heat, flames or sparks.
Weights
Model
Hood SR 601
Hood SR 602
6. Maintenance
6.1 Cleaning
The person who is responsible for cleaning and maintenance
must have suitable training and be well acquainted with work
of this type.
Sundström cleaning wipes SR 5226 are recommended for daily
care. 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.
Do not soak respirator inlet coverings in cleaning solutions
or solvents.
Do not wipe the respiratory protection inlet coverings with
strong solvents such as MEK, acetone, or toluene as those
may damage or distort materials.
6.2 Storage
After cleaning, store the equipment in a dry and clean place at
room temperature. Avoid exposing it to direct sunlight. Storage
temperature: from -4°F to 104°F (-20 °C to +40 °C) at a relative
humidity below 90 %.
6.3 Maintenance schedule
Do not use the SR 500 Powered Air-Purifying Respirator with
respiratory protection inlet covering if the respirator fails any
of the requirements of the user inspection and performance
checks. Do not use the respirator until all necessary repairs
have been made and the respirator passes the performance
check. The following schedule shows the recommended
minimum maintenance procedures required in order to ensure
that the equipment is always in functional condition.
Approx. weight
1,03 lb (465 g)
1,17 lb (530 g)
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