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4
Inspection procedure
Perform in safe place without hazardous substance.
Maintenance and storage
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Specifications
The values above represent the performance level with the use of standard
facepiece and without optional parts, etc.
*For cleaning, refer to “Cleaning after use.”
Replacement parts
Call Koken or local distributor to purchase the following replacement
parts.
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Filtering material -------1021 Mighty Micron Filter or
1021 Mighty Micron Filter-02 (2pcs/set per bag)
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Inhalation valve --------Inhalation Valve Round Shape (Black)
(5pcs per bag)
Exhalation valve -------Exhalation Valve Type T-6K (5pcs per bag)
Exhalation valve cover --Exhalation Valve Cover Type T-6 (5pcs per bag)
Exhalation valve seat-Exhalation Valve Seat for T-6 (5pcs per bag)
Headband ---------------Headband Type RB (5pcs per bag)
Sponge -------------------Sponge Egg Shape (50pcs per package)
Facelet -------------------Facelet Type P (5pcs per bag)
Filter gasket -------------Filter Gasket Type 1021-II (10pcs per bag)
Filter cover --------------Filter Cover Type 1021-II (10pcs per bag)
Optional parts (sold separately)
●
Fit tester for ensuring the fitness between respirator and face
---------------Fit Tester Type F (1set)
●
Auxiliary filter to remove ozone odor
---------------1021KC Welder’s Ozone Filter for 1021R (5pcs per bag)
●
Auxiliary filter to remove mercaptan odor
---------------1021KB Odor Filter for 1021R (5pcs per bag)
1. Cleaning after use
Perform cleaning in safe place without hazardous substance.
International Trade Division
7, Yonbancho, Chiyoda-ku, Tokyo, 102-8459, Japan
Tel :+81-3-5276-1925
Fax :+81-3-3265-1976
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Do NOT remodel or disassemble the parts that are not replaceable.
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Do NOT use parts that are not Koken genuine when replacing
parts.
WARNING
NEVER attempt the followings, or the filtering material could be
distorted or damaged, or the filtering performance be decreased.
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Do NOT apply unnecessary impact on the filtering material to get
rid of captured particulates, for example.
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Do NOT use compressed air to blow away captured particulates
attached on the filtering material. Do NOT use a vacuum cleaner
to suck captured particulates attached on the filtering material.
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Do NOT wash the filtering material in water.
WARNING
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Make sure to remove the filtering material before cleaning
respirator.
CAUTION
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Always keep the face-contacting area clean.
Dirt attached on the face-contacting area could cause rough skin and
skin irritation.
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If alcohol for disinfection is used, dry the respirator completely
or wipe water completely after rinsing it with water.
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Do NOT use organic solvents, such as thinner, for maintenance.
CAUTION
Check points
Criteria
Troubleshooting
Facepiece
No damages such as crack, distortion,
and hole, no sticky surface due to
rubber deterioration and/or no
remarkable dirt are found.
Replace the respirator
with a new one.
Clean the respirator if
remarkable dirt and/or
foreign object attached
are found.
Strap slit
Filter case
No damages such as crack, distortion,
and hole, and no remarkable dirt are
found. Filtering material can be firmly
installed.
Exhalation valve
Inhalation valve
Filter gasket
No damages such as crack, distortion,
scar, and hole and no sticky surface
due to rubber deterioration are found.
There is no adherence of remarkable
dirt and/or foreign objects.
Replace the exhalation
valve, inhalation valve
and/or filter gasket with
a new one. Clean the
parts if remarkable dirt
and/or foreign object
attached are found.
Filter cover
Exhalation valve
cover
Exhalation valve seat
No damages such as crack, distortion,
and scar are found. There is no
adherence of remarkable dirt and/or
foreign objects.
Replace the filter cover,
exhalation valve cover
and/or exhalation valve
seat with a new one.
Clean the parts if
remarkable dirt and/or
foreign object attached
are found.
Headband
Straps
Fully elastic. It keeps necessary
strength to hold the respirator.
Replace the headband
with a new one. Clean
the headband if
remarkable dirt is
found.
Buckles,
Plastic
molded
cradle
harness
No cracks and/or no distortions are
found. Buckles can be disconnected at
ease and can be securely fastened.
Filtering
material
External
appearance
No damages such as distortion and
hole, no remarkable dirt and/or no
excessive moisture are found.
Replace the filtering
material with a new
one.
Inhalation
resistance
Breathing is not difficult when donning
the respirator.
Overall conditions
after all parts are
assembled.
There are no missing parts. There are
no gaps created at connecting parts.
Filtering material is correctly installed in
the filter case.
Install missing parts.
Make sure to perform maintenance after
each use and keep the respirator clean.
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Parts other than filtering material
2. Storage
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Place for storage
After cleaning, store the respirator in a dry place without heavy
temperature fluctuations and/or high humidity. Do NOT pile up the
cleaned respirators, as the facepiece, headband, etc. could be
cracked and/or distorted. Avoid a direct sunlight for storage.
Prepare an exclusive storage place so that the storage condition
can be checked at ease.
1021R-06
1021R-07
Internal standard
Average
Internal standard
Average
Filtering efficiency
(Test particulate: DOP)
95.0% or more
98.8%
95.0% or more
98.0%
Inhalation resistance
80Pa or less
56Pa
80Pa or less
51Pa
Exhalation resistance
52Pa or less
34Pa
52Pa or less
29Pa
Increased value of
inhalation resistance
-
75Pa
-
87Pa
Increased value of
carbon dioxide
concentration / Dead
space
0.7% (280cm
3
)
or less
0.56% /
224cm
3
0.7% (280cm
3
)
or less
0.56% /
224cm
3
Weight
170g or less
150g
160g or less
149g
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Filtering material
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Do NOT perform maintenance on the used filtering material. Put
the used filtering material in a sealed bag so that captured
particulates would not diffuse and dispose of it in a proper way.
DANGER
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Do NOT reuse the filtering material that was already exposed to
highly toxic particulates such as arsenic, chrome, asbestos, etc.
(Dispose of the filtering material after each use).
WARNING
◎
Gently wipe out attached particulates and dirt such as sweat with
dry and slightly wet cloth. Be sure not to damage the respirator.
◎
Wash out remarkable dirt with mild neutral detergent diluted with
warm water. Be careful when handling especially on the exhala-
tion valve seat and the exhalation valve. Then rinse off neutral
detergent by rinsing completely.
◎
Wipe out residual water after cleaning and dry it in the shade.
◎
Disinfect the face-contacting area and inside of the facepiece by
wiping it with alcohol-soaked cloth. Then wipe the alcohol out
completely.
Document No. NS OM D-486 (E-001). Translation of Japanese User Instruction on Model 1021R as of July, 2013. Contents described in this User Instruction
may differ from the requirements/specifications exercised outside Japan. In such case, make sure to follow local laws and regulation.