18
Assembly
To attach the peel-off cover to the outside of the M-927 visor:
1. Before installing the peel-off cover, ensure the visor is clean and dry.
2. Remove the paper backing from the adhesive on the edges of the cover.
3. Center the cover over the outside of the visor and press the edges with the adhesive coating against
the visor.
4. If the peel-off is being attached to a visor not yet installed into the M-Series Headgear Assembly, insert
the visor into the headgear following the procedures in the M-Series Headgear
User Instructions.
5. Verify the peel-off is centered on the visor and there is minimal gap between the visor frame
assembly and the peel-off cover.
6. If the peel-off is not centered on the visor, remove the peel-off and repeat steps 1-5 above with a
new peel-off cover.
7. Read completely and follow the
User Instructions
for the M-Series Headgear and your 3M™ Supplied
Air Device or powered air purifying respirator to complete system assembly and performance checks.
NOTE:
Use only one peel-off cover at a time.
Do not stack multiple M-929 shaded peel-off covers on
the M-Series Visor. Do not use any other peel-off cover in combination with the M-929 including the clear
peel-off visor covers M-926 and M-928.
Carefully inspect the peel-off for damage before each use including holes, tearing, ripping, peeling,
discoloration, and hazing.
If you discover any signs of damage, remove headgear from use and
replace the peel-off visor cover with a new one. Failure to do so may affect performance and
reduce the degree of protection provided.
Before use, store the M-929 shaded peel-off covers in original unopened packaging in a clean area
that is protected from contamination, damage, dirt, debris, product distortion, and direct sunlight. Do
not store next to furnaces, ovens, or other sources of high heat. When stored in accordance with the
recommended storage conditions listed in these
User Instructions
,
product may be used until “use by”
date specified on packaging.
M-170 Faceshield Head Inserts
The head inserts can be snapped into the M-100 Series Headgear to create a closed shell that provides
minimal head coverage against contact with stationary objects or hard surfaces. The inserts also help to
protect the wearer’s head from overspray, dust, dirt and debris. The inserts can be installed and removed
as required. The inserts are marked with an “X” and an “O” respectively (Fig. 18a). To install, match
the marking on the insert with the corresponding marking on the M-100 shell (i.e. match “X” to “X”) as
shown in Fig. 18b. Snap into place, starting with the snap on the outside of the shell on each side (i.e.
side nearest wearer’s ears) (Fig. 18c).
X
Fig. 18a
X
X
O
O
Fig. 18b
Fig. 18c
M-958 Chin strap
An optional chin strap is available for all M-Series Headgear to increase stability and provide additional
comfort. Locate the chin strap attachment points on the head suspension and attach the chin strap as
shown in Fig. 19. Verify chin strap is secured to the suspension by pulling on the chin strap. See Chin
Strap packaging for additional information on use and care.
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