6
© 2001
● The amount of dirt in the air cleaner de-
pends on the amount of dust in the air and
the size of the air cleaner used. If a high
level of dust is anticipated, a cyclone-type
precleaner can be fitted to the air cleaner.
● Cleaning intervals will have to be deter-
mined from case to case.
● If dry type air filters are used, cleaning
should only be carried out according to the
service indicator or service switch.
● Air cleaner servicing is needed when
- Service indicator
the red signal 1 is fully visible when the
engine is off.
- Service switch
the yellow pilot light comes on when the
engine is running.
● After carrying out service work, reset the
signal by pressing the button on the serv-
ice indicator. The service indicator is now
ready for operation again.
6.4 Combustion Air Filter Service and Maintenance
6.4.1 Cleaning Intervals
© 25 885 1
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