As required
BOMAG
57
BPR 25/40, BPR 25/50
As r equi red
5.22 Change the dry air filter
!
Caution
Do not use gasoline or hot fluids to clean the
filter cartridge.
Dry air filter cartridges with damaged filter ele-
ment or seal ring must be replaced in any case.
It is therefore recommended to keep at least
one filter element in stock.
The dry air filter element must be changed af-
ter several times cleaning, but at the latest af-
ter 1 year.
Each cleaning interval must be marked with a
cross on the filter element.
Cleaning does not make sense if the cartridge
is covered with a sooty deposit. Use a new fil-
ter cartridge.
Incorrectly handled filter cartridges may be-
come ineffective because of damage (e.g.
cracks) and cause damage to the engine.
In case of wet or oily dirt replace the filter ele-
ment.
i
Note
Under extremely dusty conditions it may be neces-
sary to clean several times a day.
Fig. 68
l
Unscrew the wing nut (1) (Fig. 68) and take off
the housing cover.
l
Clean the housing cover from inside.
Fig. 69
l
Unscrew the wing nut and pull the air filter car-
tridge out (Fig. 69).
Fig. 70
l
Check the rubber seal, replace the rubber seal
if damaged (Fig. 70).
l
Clean out the air filter housing with a cloth.
!
Caution
Contaminants or dirt must not enter into the in-
take channel.
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