O.S. Engines 12TR - Manual (Page 9)

AIR CLEANER TYPE 103
INSTALLATION OF AIR CLEANER
Carefully clean the carburettor, removing any old
adhesive or sealant that may have been
previously used on the outside of the air intake. •
Press the air cleaner body
firmly over the carburettor air
intake. Make sure that the
outer rim of the air intake
engages the internal annular
groove in the air cleaner: failure to do so may
result in the air cleaner falling off. •
It has a single filter element and is intended
primarily for circuit racing. The lower height
of the Super Air-Cleaner 103 also facilitates
easier installation in cars where available
space may be restricted.
Position the air cleaner correctly, so that it does
not foul the cylinder-head or obstruct the needle-
valve.
INSTALLING THE FILTER ELEMENT
The element is already
impregnated with a
special filter oil. As this oil
is very sticky, take care,
when handling it, to
prevent dust or dirt from
adhering to the element. If
your fingers become
contaminated, wash them
with soap and water.
During storage, the oil may have become unevenly
dispersed through the element. This will be
indicated if the blue colour of the element material
appears patchy. In this case, place the element in
a small plastic bag and gently rub it between finger
and thumb to redistribute the oil.
It is advisable to replace the filter element with a
new one after not more than one hour of running
time. Always remove contaminated elements
carefully, to ensure that dirt cannot enter the
carburettor.
REPLACEMENT OF ELEMENT
Insert beneath flange
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