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Air cleaner, filter insert
If the pressure drop indicator shows red, this means that the
filter insert is blocked and needs to be changed. Vibrations
can cause cracks in the filter insert which is why we recom-
mend changing the filter every 18 months even if there is no
reading from the indicator. The pressure drop indicator and
filter insert are accessible through the flap on the right-hand
side of the bus. The air cleaner filter cannot be cleaned, it
can only be changed.
Both filter inserts should be changed at the same time for
those buses that have double inserts (One with a smaller
inner diameter inside the other).
The air cleaner filter cannot be cleaned. It (they) should be
changed.
Periodic inspections
Cyclone
cleaner
Service and Maintenance
Rubber valves
Regularly empty the rubber valves. On the air cleaner hous-
ing and the cyclone cleaner, the rubber valves are located
underneath each unit. (Cyclone cleaner is optional.)
Check that the rubber valves are tight and intact. If they are
not tight, air will pass through them instead of passing
through the cyclone cleaner and filter. If the rubber valve is
damaged or not tight, it should be changed.
Rubber
valve
Pressure
drop
indicator
Rubber
valve
Air
cleaner
housing
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