Chapter 4
Maintenance and Checkup
CMN005-002
33
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Chapter 4
Maintenance and Checkup
CAUTION
•
Before starting maintenance and checkup, be sure to break the electrical
circuit by turning off the power supply and disconnecting the plug from the
power outlet.
4.1
Replacing Filters
If the filter is clogged, the filter replacement indicator lamp will light up. Replace the primary filter (filter
bag).If the filter replacement indicator lamp does not turn OFF even after replacement of the primary filter,
replace the secondary filter.
4.1.1
Replacing the Primary Filter
IMPORTANT
•
The primary filter should be replaced in an area large enough to open the suction-
side filter case.
1.
Release the two snap locks of the main
body and open.
2.
The filter paper packing of the primary
filter is inserted into the cylindrical pipe
of the main body. Lightly push down on
the filter paper packing to remove.
3.
Pull the primary filter (filter bag) out
towards you and remove.
4.
Firmly insert the filter paper packing of
the new primary filter into the cylindrical
pipe, and reattach.
5.
Close the main body and secure the
two snap locks (two points).
Primary filter
Snap locks
Secondary filter
Flange
Filter packing paper
Summary of Contents for SK-250AT
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