
12
WARNING
Filters improperly used or improperly assembled to the facepiece could
cause leakage, which could lead to personal injury, illness, or death.
C. Cartridge/Filter Installation
1. Ensure that you have the correct cartridge and/or lter type for the contami-
nants in your work area. If you are not sure, consult your supervisor or safety
professional.
2. Install bayonet style cartridges or P100 lters by matching the alignment
marks located on the cartridge or lter with the small lug or connector locking
hook on the bayonet connector. Press the cartridge or lter into the facepiece
and turn clockwise until it stops. Install threaded style cartridges or P100
lters by threading them onto the facepiece connectors and hand-tightening.
Do not overtighten.
3. If using lter pads, insert the appropriate pad into the lter retainer so that the
side stamped with the model number will face toward the facepiece when in-
stalled. Completely snap the lter retainers onto the cartridges or lter holders.
4. Inspect the lter through the retainer to ensure that the entire edge of the lter
is making contact with the retainer and the lter is not bunched or folded.
The outer edge of the pad must be compressed between the top edge of the
cartridge or lter holder and the inner sealing rings of the retainer. Install lter
holders in the same manner as cartridges.
VI. HOW TO DON THE RESPIRATOR
WARNING
Always read cartridge labels prior to use to be certain that you have car-
tridges and/or lters that will provide the required protection. Filters la-
beled for protection against particulates only shall not be used for gases/
vapors, and cartridges labeled for protection against gases/vapors only
shall not be used for particulates. Both cartridges/lters must be of the
same type. The failure to comply with this warning may lead to personal
injury, illness, or death.
OPTI-FIT FACEPIECE WITH HEADSTRAP
1. Inspect the respirator as described in section XIII.
2. Adjust the top facepiece straps until one inch of strap extends through each
buckle. Fully loosen the lower straps.
3. Place your chin against the chin cup and center the facepiece on your face.
4. Hold the facepiece against your face, and pull the straps over your head.
5. Tighten the two lower straps, the temple straps, then the top strap, until a
good seal is obtained and all the headstraps lie at on your head. Do not
overtighten the straps.
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