MAINTENANCE MAINTENANCE PROCEDURE
4-21
Replace element, O-ring
When one year has passed since the element was installed, or
if air cleaner clogging monitor (1) on the monitor panel lights up
immediately after it has been cleaned, replace external ele-
ment (5), internal element (6), and O-ring (8).
Use dust indicator (4) as a guideline for the cleaning interval for
the air cleaner element.
If tip (D) of the yellow piston enters the red range (7.5 kPa) (E),
it is time to clean the element.
q There are 2 dust indicators (4): they can be seen when the
door of the power container at the front of the machine is
opened.
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