46000532RB.5182
12/20/01
1 INTRODUCTION
The North Model 7190N99 Respirator is a low-profile, air-purifying respirator
intended to be used for respiratory protection against particulate contaminants
not containing oil.
The Model 7190N99 has a large filter area to provide low breathing resistance.
The coaxial valve system prevents exhaling through the filter, prolonging the
filter's useful life.
1.1 IMPORTANT INFORMATION
This manual contains important information and must be read and understood
by all persons who may use or maintain this respirator.
North respirators should only be used or maintained by persons who are famil-
iar with the instructions contained within this manual.
1.1.1 TERMINOLOGY
Warnings, cautions and notes used in this manual have the following signifi-
cance:
NOTE
Procedures and techniques that
are considered important enough
to emphasize.
Procedures and techniques which, if not carefully followed, will expose
the user to the risk of serious injury, illness or death.
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CAUTION
Procedures and techniques
which, if not carefully followed,
will result in damage to the
equipment.
WARNING
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