3M Versaflo M Series User Instructions page 22

- Use a pen or a screwdriver to gently push on the screw attachment points to start the hole (i.e. make
an indent). This will make it easier to thread the screws into the shell.
- Insert a screw into one of the holes in the mount and thread into the indentation on the headgear
shell using a screwdriver. Tighten until screw is flush to the mount and threaded in tight. Repeat
procedure with second screw.
- Test the mount connection to the shell by trying to wiggle the mount. If it moves or wobbles, further
tighten screws. The mount should be snug to the headgear shell.
- Attach the second mount to the other side of the headgear following the same procedure.
The earmuffs can be placed in three positions:
- Usage: When in use, the wire bands must be pushed fully inward toward your head until you hear a
"click" (Fig. 22f). The cup cushions must fully enclose the ears and seal tightly against the head. For best
attenuation performance, pull hair back from under the ears so that the cups sit close on the head.
- Standby: Wire bands may be pulled outwards until you hear a "click" indicating a shift from usage
to standby.
- Parked: Cups may be rotated out of the way onto the top of the headgear (Fig. 22g) if the headgear
shell is clean and free of contamination. Care should be taken to ensure the ear cushions stay clean.
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Fig. 22a
Fig. 22c
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Fig. 22b
Fig. 22e
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Fig. 22d