MAINTENANCE
3. Remove any dirt or dust that is accumulated in the evacuator
valve installed to cover.
4. Direct dry compressed air (less than 0.69 MPa (7 kgf/cm
the outer element from inside along its folds, then direct it
from outside along its folds and again from inside.
❍
Remove one seal from the element whenever the ele-
ment has been cleaned.
Replace the outer element which has been cleaned 5
❍
times repeatedly or used throughout a year. Replace the
inner element at the same time.
Replace both inner and outer elements when the monitor
❍
lamp (H) lights up soon after installing the cleaned outer
element even though it has not been cleaned 5 times.
When replacing the element, new stick-on-seal is packed
❍
in the same box as the element. Stick the seal in the posi-
tion.
5. Remove the cloth or tape cover installed in Step 3.
6. If small holes or thin cracks are found on the element when it
is checked by shining a light through it after cleaning, replace
the element.
NOTICE
When cleaning the element, do not hit or beat it against
●
anything.
Do not use an element whose folds or gasket or seal are
●
damaged.
Evacuator valve
²
) to
SERVICE PROCEDURE
251