59034, 036, 036 QS
The air filter’s function is to remove
dust and dirt sucked in with the
combustion air and thus help
reduce wear on engine components
to a minimum.
Note:
Older machines have a prefilter in
the carburetor box cover which is
not fitted in newer machines with
compensator (on carburetor).
Apart from the carburetor box cover,
the air filter was also modified on
machines with compensator.
The components of the new air filter
system (air filter, end cover with
compensator stub and carburetor
box cover) can only be installed in
model 036 from serial number
X 32 185 626 and only as a
complete assembly.
– Before removing the air filter,
close the choke shutter to
prevent dirt falling into the
carburetor.
Removing the prefilter (034, 036):
– Remove the carburetor box
cover.
– Remove grommet from
carburetor box.
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138RA177
Insert a screwdriver between the
prefilter and carburetor box cover
and lever the prefilter out of the
retainer.
– Pull the prefilter out of the guides
in the carburetor box cover.
Removing the main filter:
– Remove the carburetor box
cover.
– Clean away any loose dirt from
around the filter.
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Unscrew the two slotted nuts so
that the filter can be pulled off the
collar studs.
Cleaning the prefilter and
main filter:
Coarse dirt is retained by the wire
mesh prefilter in the carburetor box
cover.
Note:
The air filter consists of two parts.
Insert a screwdriver (combination
wrench) in the slot at the side of
the filter. Twist the screwdriver to
separate the two halves.
– For daily cleaning it is sufficient to
clean the two halves of the main
filter and the prefilter with a soft
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138RA179
brush.
– If heavily plugged with dirt, wash
the prefilter and main filter in
fresh white spirit and blow out
with compressed air - if available.
Note:
Do not clean flocked air filters with
compressed air, brushes or rags.
If the wire mesh (or flocked coating)
is damaged, immediately replace
the part of the filter concerned.
12 Fuel System
12.1 Air Filter
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