Maintenance Schedule - Sundstrom SR 100 Mode D'emploi

• Holding the mask in one hand, grab the strap
buckle and pull on the head strap until the
pad is tight against the mask.
• Take out any twists or tangles.
• Holding the strap buckle, pull the strap over
your head and put it around your neck.
• Let the mask hang on your chest.
• Grab the pad with one hand and the filter
with the other.
• Hold the mask against your face.
• Pull the pad over your head and place it on
the crown of the head.
Adjusting the harness
• Reach behind your neck and grab the free
end of the harness strap.
• Pull the free end away from the neck until
buckle pops open.
• 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.
• Wiggle the respirator until it seats comfortably.
Fit check
Use the pre-filter holder to check if the mask
is tight.
• Place the pre-filter holder to the filter.
• Put the mask on.
• Place the palm of your hand lightly over the
hole on the pre-filter holder to make it tight.
Fig. 18.
NOTE! Do not push so hard that the respirator´s
shape is affected.
• Take a deep breath and hold your breath for
about 10 s.
If the mask is tight, it will be pressed against
your face.
If any leakage is detected, check the inhala-
tion 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.
3.5 Doffing
Do not take off the mask until clear of the
hazardous area
• Grasp the filter with one hand and the head pad
with the other. Pull it forward over your head.
• Pull down the respirator until it rests on your chest.
• Reach behind your neck, grab the strap
buckle and pull the head harness forward
over your head and remove the mask.
• Clean and store the mask as required.
4. Maintenance
4.1 Cleaning
Sundström cleaning tissues SR 5226 are
recommended for daily care. If the mask is
heavily soiled, use a warm (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
desinfection. Proceed as follows:
• Remove the filter, the covers for the ex-
halation valves and the membranes, the
inhalation membrane and the head harness.
(Optional – The harness can be washed, but
takes extra time to dry.)
• Clean as described above. 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.
NOTE! Never use solvents for cleaning.
4.2 Storage
The best way to store the mask, clean and dry,
is in the Sundstrom storage box SR 230 or
storage bag SR 339. Keep it away from direct
sunlight or other sources of heat.

4.3 Maintenance schedule

Recommended minimum requirements on
maintenance routines so you will be certain that
the equipment will always be in usable condition.
Visual inspection
Functional check
Cleaning
Membrane change
Head harness change
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.
Before After Annually
use use
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