YOKOGAWA OX400, Руководство пользователя

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<7. Inspection and Maintenance>
7-7
IM 11M10B01-01E
7.4 How to Replace Activated Carbon Filter
Activated charcoal filter will be provided when “/A” option is specified. Filter should be installed
between gas sampling line and gas inlet of OX400. Filter has a life time and need to replace
periodically, its replacement interval vary depending on the application. As for the part number,
see CMPL at the end of this manual.
(1) Loosen the four screws with washers B
of holder
A
and remove holder
A . (Figure 7.4)
(2) Remove cotton filter C , felt filter
D
, and O-ring E .
(3) Dispose of activated carbon
F
.
Remove the bottom side holder same as the upper side holder and pull out the activated
carbon . Referring item (5) to (7), set the bottom side holder.
(4) Fill the case with approximately 9 grams of new activated carbon up to approximately 8
mm from the upper surface of the case. Shake the case gently to fill the interstices of the
activated carbon.
(5) If the removed felt filter
D
is dirty, replace it with a new one. Set felt filter
D
onto the
activated carbon
F
so that the laminate surface faces activated carbon
F
.
(6) If cotton filter C is dirty, replace it with a new one. Set a 0.2 gram cotton filter onto felt filter
D
.
(7) Align O-ring E with groove
1
and secure holder
A
with screws with washers
B .
CAUTION
Tightly close the lid of the replacement activated carbon case and store it in an indoor location
where it will not be subject to humidity and direct sunlight.
Cotton filter (*1)
Cotton filter
Felt filter
Laminate surface faces
activated carbon
Felt filter
Laminate surface faces
activated carbon
O-ring
O-ring
Activated carbon
*1: When fixing the holder, please do not get a cotton yarn
of the cotton filter between the O-ring and the holder.
This causes a leak.
Figure 7.4 How to Replace Activated Carbon
8th Edition : Jan. 10, 2019-00