O.S. Engines FS-26S-CX - Manual (Page 9)

AIR CLEANER TYPE 101
This is a heavy-duty wet type air cleaner that has
been developed specifically for O.S. model car
engines. It contains specially impregnated filter
elements which prevent highly damaging dust and
dirt from being drawn into the engine through the
carburettor, yet allow engine performance to be
maintained for longer periods between element
renewals. The Type 101 air cleaner has a special
rubber body which facilitates easy yet secure
fitting, with positive sealing at the carburettor air
intake.
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 intake engages the internal annular groove
in the air cleaner: failure to do so may result in the
air cleaner falling off. See sketch, right.
FILTER ELEMENTS
The elements are 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 elements. If your fingers
become contaminated, wash them with soap
and water.
During storage, the oil may have become
unevenly dispersed through the elements.
This will be indicated if the blue color of the
element material appears patchy. In this case,
place the elements in a small plastic bag and
gently rub them between finger and thumb to
redistribute the oil.
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Lower Filter
Element Upper Filter
Element
Insert beneath flanges.
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