MSA Duo-Flo, Instructions Manual

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2
TAL 7012 (L) Rev. 2 - 818369
Contents
NIOSH Approval Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Special or Critical User Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-10
Respirator Assemblies and Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-18
NIOSH APPROVAL INFORMATION
Cautions and Limitations
A- Not for use in atmospheres containing less than 19.5 percent oxygen.
B- Not for use in atmospheres immediately dangerous to life or health.
C- Do not exceed maximum use concentrations established by regulatory standards.
D- Air-line respirators can be used only when the respirators are supplied res-
pirable air meeting the requirements of CGA G-7.1 Grade D or higher quality.
E- Use only the pressure ranges and hose lengths specified in the user instructions.
G- If airflow is cut off, switch to filter and/or cartridge and immediately exit to clean air.
H- Follow established cartridge and canister change schedules or observe ESLI to
ensure that cartridges and canisters are replaced before breakthrough occurs.
I- Contains electrical parts that may cause an ignition in flammable or explosive
atmospheres.
J- Failure to use and maintain this product properly could result in injury or death.
L- Follow the manufacturer’s User Instructions for changing cartridges and/or filters.
M- All approved respirators shall be selected, fitted, used, and maintained in accor-
dance with MSHA, OSHA, and other applicable regulations.
N- Never substitute, modify, add, or omit parts. Use only exact replacement parts
in the configuration as specified by the manufacturer.
O- Refer to User Instructions, and/or maintenance manuals for information on use
and maintenance of these respirators.
S- Special or critical user instructions and/or specific use limitations apply. Refer
to User Instructions before donning.
S - Special or Critical User Instructions
1. This device does NOT supply oxygen. Use only in adequately ventilated
areas containing at least 19.5 percent oxygen.
2. This respirator must be used in conjunction with the proper canister or fil-
ter for protection against specific contaminants.
3. Do not use when concentrations of contaminants are unknown or immedi-
ately dangerous to life or health (IDLH). (See the respirator NIOSH approval
matrix to determine if this device can be used for escape from those con-
centrations.)
4. Do not use when appropriate exposure limit (OSHA, PEL, NIOSH REL,
ACGIH TLV, etc.) is not known or when it is below the odor threshold or any
other established warning level for the contaminant.
WARNING
!