The equipment is designed to provide a warning
if the air flow is obstructed.
Provoke an air flow stoppage by gripping the top
part of the bag or by shutting off the flow meter
outlet. The fan unit should then initiate alarms
by sound, light and vibrations. In usage of
compressed air the control valve SR 348 will
warn by sound.
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 face shield, see “To change the
head harness”.
Height adjustment.
A - how deep the head end up in the head part.
B - how high the face shield sits on the head. If
necessary, adjust for hearing protectors.
Angle adjustment between visor and head
harness.
C - the angle against the visor. Adjust if the face
is too close to the visor or if the hearing
protector not is sealed around the ear.
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.
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