Replacing The Cover - INTERSPIRO DIVATOR-Vollmaske Benutzerhandbuch

fUll face mask
replAcIng the heAd hArness
remove the old head harness. Install the new harness starting with the middle,
uppermost strap in the head harness. thread the strap through the buckle from the
inside of the mask. the Interspiro logo at the midpoint of the head harness must be
visible after installation. thread head harness strap through the lower part of the
buckle under the roller and then back over the roller and through the top. (figure 23)
repeat the procedure for the four remaining straps.
replAcIng the non-return vAlve dIscs
the valve discs are located in the inner mask.
1. Using your fingers, grasp the valve seat and pull it upwards. Discard the old valve
disc. (figure 24)
2. Fit a new valve disc by first threading the valve disc hole over one short side of
the valve seat pin. carefully stretch the valve disc so that the hole can be threaded
over the entire pin. (figure 25)
3. check that the valve disc rides freely on the pin.
4. Check that the rubber of the inner mask is not deformed and that it fits tightly
around the valve seat. Interspiro recommend replacing both valve discs at the
same time.

replAcIng the cover

check that the o-ring is in place (replace o-ring if needed) on the blank cover and
that the circlips are in place around the screws. (figure 26)
fit the cover. the round part must be facing towards the visor. screw in the two
screws.
note: cArefully tIghten the screws By hAnd.
replAcIng the pressure eQuAlIzIng pAd
the pressure equalizer is held by a metal wire holder.
1. check that the metal wire holder is not deformed.
2. the pressure equalizer has grooves for connection to the wire holder and for
allowing it to be adjusted to different positions (for ear pressure equlization). the
wire holder must fit in the same groove when installing the pressure equalizer.
Check that the wire holder fits properly in the groove so that the pressure
equalizer does not come loose or become displaced.
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