Sundstrom SR 100 Technical manual

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Operation Instruction
SR 100
Half mask APR
Revision: 04

General information
Instructions for use for SR 100 APR should be read before use.
Together with filters/cartridges from the Sundström filter range in accordance with the NIOSH approval label.
Three sizes S/M, M/L and L/XL.
Together with compressed air attachment SR 307 and SR 358 or SR 359 compressed air supply tube in
accordance with NIOSH approval label for SAR.
When selecting equipment for SR 100 some of the factors that should be considered are as follows:
• Type of pollutants
• Concentrations
• Work intensity
• Protection requirements in addition to respiratory protective advice.
Risk assessment should be carried by a person who has suitable training and experience in the area.
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Unpacking the SR 100
Check that the equipment is complete in accordance
with the packing list, and that no transport damages
have occurred.
Packing list:
•Half mask
•Pre-filter holder
•Cleaning tissue
•ID-tag
•Pre-filter
•Storage bag
•Instruction for use
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1. Filter
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1.1 Check that you have
selected the correct filter.
1.2 During work in
atmospheres containing both
particulates and gases/vapors
(such as spray painting) the
particulate filter and chemical
cartridge should be
combined.
1.3 Place the P100
particulate filter on top of the
cartridge. Grasp both
protective elements. Squeeze
hard until you hear the P100
snap onto the cartridge a
snap.Attempt to pull the filter
and cartridge apart to check
that they are properly
connected.
1.4 Place a coin it in the
space between the lower lip
of the particulate filter and the
small tab moulded into the
side of the cartridge.
Push firmly and twist the coin
until the filter pops off.

1. Filter
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1.5 Fit the filter/combined
filter in the mask so that the
arrows on the filter point
towards the user’s face.
Carefully check that the edge
of the filter is in the internal
groove of the filter mounting
all around.
1.6 Fit pre-filter SR 221 in the
pre-filter holder.
Pre-filter prevents premature
clogging of the main filter.
The pre-filter holder prevents
damage to the main filter.
N.B. The pre-filter is a pre-
filter only and cannot be used
as a substitute for particulate
filter P100.
1.7 Press it into place on the
filter.

2. Donning
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2.1 Remove any hood,
glasses or ear protection from
head.
Holding the respirator in one
hand, grab the locking buckle
and pull on the head strap
until the pad or cradle is tight
against the respirator.
2.2 Take out any twists or
tangles.
2.3 Holding the strap buckle,
pull the strap over your head
and put it around your neck.
2.4 Let the mask hang on
your chest.

2. Donning
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2.5 Grab the pad or cradle
with one hand and the filter or
cartridge with the other.
2.6 Hold the mask against
your face.
2.7 Pull the pad or cradle
over your head and place it
on the crown of the head.
Wiggle the respirator until it
fits comfortably.
Perform a fit check.

3. Adjusting the harness
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3.1 Reach behind your neck
and grab the free end of the
harness strap.
3.2 Pull the free end away
from the neck until buckle
pops open.
3.3 Pull on the free end of the
strap until the respirator seats
comfortably on your face.
Use your thumb and
forefinger to squeeze the
buckle shut.
3.4 Wiggle the respirator until
it seats comfortably.

4. Negative fit check
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4.1 Install a protective
element.
Snap the pre-filter holder onto
the protective element.
4.2 Donning the respirator.
4.3 Place the palm of your
hand lightly over the hole on
the pre-filter holder to make it
tight.
Inhale gently, the respirator should pull inward on the face. Hold
your breath, the respirator should remain collapsed on the face.
Remove the palm of your hand from the pre-filter holder. Breathe
normally.
If any leakage is detected, check the inhalation and exhalation
valves, adjust the straps of head harness or switch to alternative
size of the respirator. Repeat the fit check until there is no
leakage.
NOTE!
Do not push so hard that the respirator´s shape is affected.

5. Change the inhalation membrane 6. Change the head harness
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5.1 Reach inside the
respirator and gently pull out
the inhalation membrane.
5.2 Check the edge of the
inhalation valve. Gently
stretch the flap until it slips
over the stud.
6.1 Detach the head harness
by pushing the two
connection points towards the
filter attachment.
6.2 Check that the straps are
not twisted and snap on the
new harness by putting each
plastic swivel into the
contoured slot and pulling it
until it snaps in.

7. Change the exhalation membranes
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7.1 Snap the valve covers off
the membrane seats.
7.2 Prise off the membranes.
7.3 Press the new
membranes onto the dowels.
Carefully check that the
membranes are in contact
with the membrane seats all
round.
7.4 Press the valve covers
into place.A clicking sound
indicates that the cover has
snapped into place.

8. Cleaning
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8.1 Remove the filter, the
covers for the exhalation
valves and the membranes,
the inhalation membrane and
the head harness. (Optional –
The harness can be washed
but takes extra time to dry.)
8.2 Critical areas are the
exhalation membranes and
the membrane seats which
must have clean and
undamaged contact surfaces.
Inspect all parts and replace
with new parts as necessary.
Leave the mask to dry, and
then assemble it.
Sundström cleaning tissues SR 5226 are recommended for daily
care..If the mask is heavily soiled, use a warm, do not exceed 104 °F
(up to +40°C), mild soap solution and a soft brush, followed by rinsing
with clean water and drying in air at room temperature. If necessary,
spray the mask with 70 % ethanol or isopropanol solution for
disinfection.
NOTE! Never use solvents for cleaning.

10. Maintenance schedule
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Before use After use Annually
Visual inspection
Negative fit check
Cleaning
Membrane change
Head harness change