171
MAINTENANCE INSTRUCTIONS
F 242 F 243 F 244
REGENERATION OF MAIN AIR
FILTER ELEMENT
If the main air filter element is not
damaged (dust on the inner side of air
filter element must not be appeared) do
regeneration by pressure air of max.
pressure 700 kPa blown from the inner
side of element. The main air filter
element can be regenerated maximally
three times by this way. The main air
filter element needs to be replaced once
per year.
CHANGING THE SAFETY
ELEMENT
Inner safety air filter element can
not be regenerated.
It must be exchanged in the following
cases:
- if the main air filter element is da-
maged
- after 5th maintenance of air cleaner
- minimally once per two years
REASSEMBLING THE ELEMENTS
Be careful when reassembling the air
filter element to:
- keep the contact surfaces clean
- air filter elements must not be de-
formed after assembly
- neither elements nor paddle wheel
partition must vibrate after as-
sembling
- rubber sealing must be fitted properly
round the complete circumference of
dust reservoir.
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