Sundstrom SR570 User manual

2019-12-04
OI06H-6518 SR 570 1
SR 570
Revision: 02
Operation instructions
Face shield

Information
Instructions for use for SR 570 should be read before use.
SR 570 together with the fan unit SR 500/SR 700 and approved filters is included in the Sundstrom fan-
assisted respiratory protective device system conforming to EN 12941/ EN 12942:1998.
SR 570 can also be used together with compressed air attachment SR 507 conforming to EN 14594:2005
When selecting the head-top, some of the factors that should be considered are as follows:
• Types of pollutants
• Concentrations
• Work intensity
• Protection requirements in addition to respiratory protective device.
The risk analysis should be carried by a person who has suitable training and experience in the area.
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Unpacking SR 570
Packing list:
•Face shield
•Breathing hose
•Peel-off with clips
•User instruction
•Cleaning tissue
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1.Connect the hose
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1.1 Connect the breathing
hose to the face shield.
A click is heard when it is
correct attached.
1.2 Connect the hose from
the face shield and turn
clockwise about 1/8 turn
or
Connect the hose to the
compressed air attachment
SR 507.

2. Functional check
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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, (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. Adjust head harness
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3.1 Height adjustment.
How deep the head ends up
in the head part depends on
where you position the head
crown, there are 5 options on
each side.
3.2 Height adjustment.
How high the hood sits on the
head.
If necessary, adjust the head
harness in height by
lengthening or shortening the
two straps for the top of the
head.
3.3 Angle adjustment
between visor and head
harness.
Adjust if the face is too close
to the visor. There are two
options.
3.4 Angle adjustment
between visor and head
harness.
Adjustment of the angle of the
headband around the back of
the head.
The two pins can be placed in
the upper or lower holes.

3. Adjust head harness
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3.5 Width adjustment of the
head harness.
Release the two pins and
extend or shorten the width of
the head harness. There are
two options.
3.6 Width adjustment of the
head harness.
If necessary, adjust the
circumference of the head
harness by means of the
knob at the rear of the head
harness.
3.7 The airflow can be
directed towards visor or face
for optimal comfort.

4. Putting the face shield on
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4.1 Start the fan. Raise the
visor and put the face shield
on.
Adjust the width of the head
harness using the knob
located at the rear of the
harness
4.2 Lower the visor unit by
pulling the face seal down
under your chin. A clicking
sound indicates that the visor
unit has been lowered fully.
4.3 Insert a finger between
your chin and the face seal
and run the finger along the
contact surface of the face
seal all the way round to
check that it fits well against
the face.
4.4 Check and adjust so that
the breathing hose runs along
your back and that it is not
twisted.

5. Change the visor
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5.1 Remove the peel-off clips.
Release and remove the
visor.
5.2 Fit the new visor. Start in
the center.
Make sure that the visor is
centered and end up in the
groove on the face shield.
5.3 Make sure that the visor
is centred and end up in the
groove on the face shield.
Secure the visor on the right
and left side.
5.4 Check that the visor is
properly locked around the
edge of the face shield.

6. Change the exhalation membrane
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6.1 Remove the visor see 5.1.
Release and remove the
valve cover.
6.2 Release and remove the
membrane.
6.3 Press on the new
membrane in right position
according to the picture.
The text "UP" on the
membrane should be visible
when mounted as shown.
Carefully check that the
membrane is in contact with
the valve seat all round.
6.4 Press the valve cover into
place.
• Fit the visor, see 5. Change
the visor