3
Replacement of filtering material (filter)
• Replace filtering material in safe place without hazardous substance.
• Make sure to use only the Koken genuine filtering material.
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.
Replacement of inhalation valve / exhalation valve
Replacement schedule
◎
Replace when damages such as crack, distortion, scar, hole, etc.,
remarkable dirt and/or sticky surface due to rubber deterioration is
observed.
Replacement procedure of inhalation valve
①
Remove the used inhalation valve from the retainer pin of the valve seat
located inside of the respirator.
②
To place a new inhalation valve in its position, widen the hole located at
the center of the new inhalation valve with fingers so that the retainer pin
easily goes through the hole. Make sure not to strongly press down the
retainer pin and its surroundings.
Optional accessories and usage
●
Sponge (Egg shape)
Use when the wearer feels discomfort on moisture or sweat accumulated
inside of the respirator.
How to use
Insert the sponge with its narrow end up into the inside of the facepiece.
Make sure that it does not interfere the movement of the exhalation valve.
●
Facelet (Type P)
Use facelet to avoid skin irritation due to
sweat.
How to use
Expand the rim of the facelet and cover
it over the facepiece evenly so that it
stays without crimp.
*Make sure that the facepiece would not
get deformed.
S
ponge
(Egg
s
h
a
pe)
F
a
celet (Type P)
●
Use the facelet only when there is a possibility that the use of
the particulate respirator causes eczema on facial skin and
sufficient airtight is obtained on facepiece.
The use of the facelet may become a cause of leakage of
particulates into the facepiece.
●
Do NOT use the facelet when wearing a respirator in asbestos-
handling works or in the works where highly hazardous
particulates, such as arsenic, chrome, etc., generate. (Facelet
should not be used even when sufficient airtight is obtained).
WARNING
Replacement schedule
Replace the filtering material with a new one when:
◎
Breathing becomes difficult; and/or,
◎
Filtering material is damaged, distorted and/or got hole.
Replacement procedure
One set (two pieces) of 1021 Mighty Micron Filter, filtering material for
replacement, is packaged in each bag. Make sure to replace two pieces of the
filtering material simultaneously according to the procedure described on the right.
●
Do NOT reuse the used filtering material by flipping it over.
Particulates captured on the filtering material may diffuse and be
inhaled. It could cause pneumoconiosis, or in some cases,
intoxication depending on the type of particulates inhaled.
WARNING
①
Remove the filter cover by turning it counterclockwise.
②
Remove the used filtering material located inside the filter case. *1
③
Make sure that the filter gasket is securely installed in the filter case all the
way to the end without misalignment, deformation, etc.
④
Place one piece of new filtering material on the filter gasket without gap,
misalignment and/or deformation. *2
⑤
Place the filter cover on the filter case. Turn the filter cover clockwise until
it stops.
⑥
Make sure that the thread of the filter case is not jammed and/or is
installed correctly without deformation.
⑦
Make sure that the indicators, stamped inside the facepiece, stay at the
same position.
Filter c
as
e
Filter g
as
ket
Filter cover
Filtering m
a
teri
a
l
(1021 Mighty Micron Filter or
1021 Mighty Micron Filter-02)
To loo
s
en
To tighten
Indic
a
tor
*1 Dispose of the used filtering material in a sealed bag, etc. so that
hazardous substances do not diffuse. Clearly indicate that the bag
contains “waste plastic.” Inform the industrial waste disposal operator that
hazardous substances are attached on the used filtering material and ask
for proper disposal.
*2 When 1021KC Welder’s Ozone Filter for 1021R (option) or 1021KB Odor
Filter for 1021R (option) is used, make sure to install the KC/KB Filter
between the filter case and the filtering material.
Replacement procedure of exhalation valve
①
Open the exhalation valve cover located on the lower side of the facepiece.
②
Pinch the used exhalation valve with fingers and remove it from the respirator.
③
To install a new exhalation valve, insert the stem of the new exhalation
valve into the hole located at the center of the exhalation valve seat.
④
With fingers, pinch the stem of the exhalation valve which comes out inside of
the facepiece, and pull it until the protruding portion on the stem comes out.
⑤
Make sure that the exhalation valve is not turned inwardly and completely
close the exhalation valve cover.
Inh
a
l
a
tion v
a
lve
(Ro
u
nd
s
h
a
pe)
Hole
F
a
cepiece
Ret
a
iner pin
Exh
a
l
a
tion v
a
lve cover
S
tem of exh
a
l
a
tion v
a
lve
Exh
a
l
a
tion v
a
lve
s
e
a
t
CLO
S
E
OPEN
Exh
a
l
a
tion v
a
lve
(Type T-6K)
Protr
u
ding portion
●
Make sure that the exhalation valve seat is not get scarred.
There is a possibility that hazardous substance may leak inside the
facepiece.
WARNING
• Replace inhalation valve / exhalation valve in safe place without hazardous substance.
• Make sure to use only the Koken genuine parts.
• Install or replace the optional accessories in safe place without hazardous substance.
• Make sure to use only the Koken genuine parts.
