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(3) Exchanging the filter
The inside of the main unit is protected from invading dust by the air filter located on
the main unit bottom side. Check the main unit regularly, replace the filter element or
filter unit if necessary.
Turn the power supply of the main unit off by removing the AC adapter. And after
returning the inside of the leak tester to atmospheric pressure by removing the pipette,
follow this procedure.
1) Removing the filter unit
Invert the main unit and remove the
filter unit from the holder.
Pull the tubes out from both sides
of the filter unit.
(At this time, while pushing the
release ring lightly, pull the tube
out after pushing it in lightly.)
2) Replacing the filter element
When replacing only the filter element, follow this procedure:
1. Slide the red slide lock located on the
filter unit in opposite direction of the
arrow.
2. Turn the coupling in a counterclockwise
direction (180 degrees).
3. Remove the coupling from the filter
cover. Remove the old filter element
from the coupling.
4. Clean the dust from inside the filter
cover, if necessary.
5. After connecting the new filter element
to the coupling, insert it into the filter
cover. Last, turn the coupling in a
clockwise direction.
6. Confirm that the positioning of the
detent located on the coupling and the
slide lock match up and slide the slide
lock in the direction arrow. Confirm that
the coupling is securely locked.
Release ring
1
2
Slide lock
2
20
Holder
Filter unit
Main unit
bottom side
1
3
Filter cover
5
Filter element
Coupling
6
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