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3M Personal Safety Division
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The metal spark arrestor/prefilter may be cleaned with a mild, pH neutral cleaner. Dry thoroughly before next use or
storage. If the spark arrestor/prefilter cannot be cleaned, it should be replaced.
Breathing Tube
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Clean the connection sites on the breathing tube with the water and detergent solution. The breathing tube can be
immersed in water for cleaning if required. The inside of the tube must be completely dried prior to use or storage.
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Air dry, or dry by connecting to the motor/blower unit and use it to force air through the tube until dry. Orient tube to
prevent water from running into blower.
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Optional plastic breathing tube covers (BT-922) may also be used to facilitate cleaning.
Headgear
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Clean headgear based on the headgear specific User Instruction and cleaning guides.
Belt
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Remove the belt from the motor/blower by either sliding the belt through the belt slots (TR-300 and TR-300+) or lifting
the bottom of the belt over the belt locking tabs and sliding the belt down (TR-600).
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The 3M™ Easy Clean Belt TR-327/TR-627 is made of plastic buckles, vinyl urethane leads, and a hip belt with a
non-porous outer material and closed cell foam inner material that can be wiped down or submersed in a soapy water
solution.
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The 3M™ High Durability Belt TR-326/TR-626 is made of metal buckles, and leather leads. The TR-626 hip belt has a
durable rubber outer material and closed cell foam inner. The leather portions can be cleaned with a leather cleaner.
The hip belt can be cleaned with a soapy water solution.
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Wipe or rinse all belts thoroughly and dry completely before next use.
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To prevent damage to the belt (such as delamination) do not clean or dry the belt at temperatures above 122º F (50º
C). It is not recommended to clean the belts in mechanically agitating washing machines or tumble dryers as damage
may occur.
Battery Charger
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If the charger pins are dirty, gently remove the debris with a clean, dry, lint-free cloth, carefully avoiding the charging
pins.
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If the charger pins become wet, dry quickly and ensure they are dry prior to installing a battery.
Wearing in Decontamination Shower
The TR-300, TR-300+, and TR-600 PAPR when assembled as a system with cartridge/filter in place along with the filter cover,
headgear and a breathing tube can be worn through a decontamination shower.
While in use the TR-300 and TR-300+ PAPR have an International Protection or Ingress Protection (IP) rating of IP53 (EN
60529: 1992). The IP53 rating indicators the unit is protected against infiltration of dusts and water splash up to 60 degrees
from vertical that would interfere with normal operation.
While in use the TR-600 PAPR (with filter cover installed) has an International Protection or Ingress Protection (IP) rating of
IP54 (EN 60529: 1992). The IP54 rating indicates the unit is protected against infiltration of dusts and water splash from all
directions that would interfere with normal operation.
