M-921 Replacement Visor Gasket; M-957 Forehead Comfort Pad/Sweat Pad; M-150 Head Suspension (M-100 & M-200 Series) - 3M Versaflo M Serie Instrucciones

each side of the frame. Fig. 7a shows how the buttons should be positioned (i.e. sloped flat tops are both
pointed in towards each other and not outwards on the frame). Re-install visor and ensure visor buttons
are firmly secured and flush to the visor frame (Fig. 7b). If the buttons do not seat flush to frame, check
that they were correctly installed. Reinstall if necessary.
Fig. 7a

M-921 Replacement Visor Gasket

To remove gasket (Fig. 8), with the visor frame in the up (open) position, grasp the black gasket and
slowly pull straight out in small sections. To install a new gasket, align end with the edge of the groove in
the top of the visor. Press the gasket firmly into the groove in small sections. Both gasket ribs should be
fully inserted into the groove.
NOTE: When properly installed, the visor gasket should make contact with the headgear shell. If it does
not, remove and re-install.

M-957 Forehead Comfort Pad/Sweat Pad

To replace comfort pad, unsnap pad and remove from headband. Wrap new comfort pad around the
headband in the area that comes into contact with your forehead and secure by closing the three snaps
(Fig. 9).
X
Fig. 7b
Fig. 8
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M-953 Ratchet
To remove the ratchet, locate ratchet attachment points on suspension (Fig. 10a). Remove by pressing
down on each of the four circular sections to release the ratchet at the attachment points as shown
(Fig. 10b). To install ratchet, first turn the knob counterclockwise as far as it will go. Hold ratchet so that
the attachment holes are curved in the up position (Fig. 10c). Snap attachment points on each side onto
the suspension.
Fig. 10a
M-150 Head Suspension (M-100 & M-200 Series)
To replace head suspension:
- Detach the faceseal and forehead seal button from the suspension headband. See M-935, M-936, &
M-937 Faceseals & M-154 Forehead Seal in this section for additional information.
- Release the suspension from the headgear by pulling the height adjustment slot off the peg at each
of the four attachment points. Fig. 11 points to one of the attachment slots. There are 2 in the rear
and 2 in the front.
- Install new suspension by snapping each of the four height adjustment slots onto the four pegs on
the headgear shell. NOTE: See Donning and Fitting section of these User Instructions for information
on adjusting the suspension for a comfortable fit (Fig. 11).
- Attach faceseal and forehead seal button to suspension.
- Adjust suspension for fit and comfort according to the Donning & Fitting section of these User
Instructions.
Fig. 9
Fig. 10c
Fig. 10b
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