Specific Maintenance Instructions And Replacement Of Spare Parts; Replacement Of Visor; Replacement Of Threaded Connector; Replacement Of Filter Connectors For C607 Twin Only - DPI Sekur C607 Serie Manuel D'utilisation Et D'entretien

10 Specific maintenance instructions and replacement of spare parts

When the mask is disassembled in order to be cleaned and disinfected, it has to be
reassembled following the same procedure of spare parts replacement unless differently
indicated. Make sure that all component parts are correctly assembled, paying attention
to not damage all component parts during these operations.

10.1 Replacement of visor

Loosen the two screws on both sides of the frame paying attention not to lose the bolts.
Remove the frame and then the visor from the groove of its seal. Check that the groove is
not dirty or damaged and, if necessary, replace it. If you are using a C607 CL3, C607 SP/A,
C607 SP/A ESA, C607 SP/A ATEX, C607 SP/A TP check that the heat protective element of
the frame is not damaged and replace it, if necessary. Place the new visor on the groove
of the facepiece seal in order that the markings at the centre of the visor edge and the
ones on the faceblanks coincide. In order to reassemble easily the visor, moisten with
water the groove of the facepiece seal, from the inside, and the frame from the outside.
Join the two halves of the frame and screw tightly. For better protection when not in use
place the visor protective film. For model C607 SP/A MD contact the D.P.I. s.r.l.
maintenance service for the replacement of that component.

10.2 Replacement of threaded connector

Remove the clamping ring without damaging the faceblank. Take the threaded connector
to be replaced out from the facepiece and insert the new one in order that the centring
guides of the rubber piece and the threaded connector slots coincide. Remind to connect
it with the inner mask in the same way as it was before disassembling. Reassemble the
clamping ring and tighten it again with a special tool in order to insure a perfect leak
tightness.
10.3 Replacement of speech module for C607 E, C607 SP/A, C607 CL3, C607
TWIN, C607 SP/A ESA, C607 SP/A ATEX, C607 SP/A TP, C607 TP, C607 MD

models only

Unscrew the locking ring of the speech module from the outside of the mask with a
compass spanner easily commercially available. Pull the speech module and its gasket
out of the housing. Check that the components are not dirty and, if necessary, clean
them. Insert the spare parts in the following order: Gasket - Speech module, so that the
year of manufacture engraved on the speech module is visible from outside. Screw the
locking ring tightly in order to ensure a perfect leak tightness.

10.4 Replacement of filter connectors for C607 TWIN only

Remove the clamping ring without damaging the faceblank. Take the threaded connector
to be replaced out from the facepiece and insert the new one with its gasket in order that
the centring guides of the rubber piece coincide with the threaded connector arrows.
Reassemble the clamping ring and tighten it again with a special tool in order to insure a
perfect leak tightness. Check that the yellow rubber of the inhalation valve has been
26