Sundstrom SR 530 User manual

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SR 530
Hood
Revision: 03
Operation instructions

General information
Before use, these user instructions and those for the SR 500 PAPR, cartridges, filters and compressed air
attachment must be thoroughly studied and understood.
The SR 530 together with the SR 500 Powered Air-Purifying Respirator system of components to provide respiratory
protection against certain particulates, organic vapors, acid gases and other inorganic gases. Refer to the NIOSH
Approval Label for a list of approved components and NIOSH cautions and limitations.
When selecting equipment for SR 530 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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Unpacking
Check that the equipment is complete in accordance
with the packing list and has not been damaged in
transit.
Packing list:
• Hood with breathing hose.
• User instructions
• Cleaning tissue
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1. Assembly
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1.1 Remove the protective
film from 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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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, 6.2CFM (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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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.
3.2 Hold the hood upside
down. Grip each side of the
hood opening with one hand.
3.3 Pull the hood down so
that the head harness fits
firmly and comfortably around
your head.

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3.4 Adjust the neck size of
the hood by means of the
elastic neck strap.
3.5 Make sure that the
breathing hose runs along
your back and is not twisted.

4. To exchange the exhalation membrane
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4.1 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.
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 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 sweatband off.
5.2 Remove the protective
paper and fit the new
sweatband.
5.3 The forehead strap and
the sweatband should be
mounted edge to edge.

6. Cleaning
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If it is necessary, spray the product with 70 % ethanol or isopropanol
solution for disinfection.
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.
.
6.1 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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6.3 Snap off the valve cover
from the valve seat.
6.4 Slip of the membrane.
Clean the exhalation
membrane.
6.5 Clean the valve seat and
check that the valve seat is
ok.
6.6 Clean the valve cover on
the inside and outside.

7. Maintenance schedule
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The schedule represents the minimum requirements for maintenance
routines in order to ensure that equipment will always be in functional
condition.
Before
use
After
use Annually
Visual inspection
• • •
Functional check
• •
Cleaning
• •
Change of exhalation
membrane
•