North 5400 series, Инструкция по эксплуатации

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1 INTRODUCTION
North Air-Purifying respirators are intended to be used for
respiratory protection against hazardous vapors, gases and/
or particulate matter, depending on the air-purifying elements
used and the contaminant concentration and/or toxicity;
but
only if there is sufficient oxygen present in the contaminated
atmosphere to support life. These respirators are approved
by the National Institute of Occupational Safety and Health
(NIOSH) and are suitable for use in workplaces regulated by
the Occupational Safety and Health Administration (OSHA).
If you have converted this respirator to a supplied air respira-
tor, use the Instructions for Use that accompanied the Airline
Accessory.
1.1 IMPORTANT INFORMATION
This Operating and Maintenance Instruction Manual contains
important information and must be completely read and
understood by all persons who may use or maintain this
respirator.
This Respirator should be used or maintained only by per-
sons who understand the instructions contained within this
manual.
1.1.1 TERMINOLOGY
Warnings, cautions and notes used in this manual have the
following significance:
Procedures and techniques that are considered important
enough to emphasize.
NOTE
Procedures and techniques which, if not carefully fol-
lowed, will result in damage to the equipment.
CAUTION
Procedures and techniques which, if not carefully fol-
lowed, will expose the user to the risk of serious injury,
illness or death.
WARNING