AIR
CLEANER
DESCRIPTION
The
air cleaner
is
composed
of
three
stages
of
air cleaning: 1
st
stage
is
a wire-netting
for
keeping
out
larger dusts
such
as
straw, weed, etc.
2nd
stage
is
a cyclone-type centrifugal
dust
remover.
3rd stage
is
a paper-element cleaner. Incoming
air entering
the
2nd
stage
is
set in swirling
motion
by
cyclonic vanes, so
that
heavy
dust
particles are flung
off
the air stream.
The
air
then enters the
3rd
stage, in which
it
has
to
flow
through microscopically small pores formed in
the filtering
paper
and leaves fine
dust
particles
on
the
outer
surfaces
of
the pleated
paper
wall.
The
heavy
dust
particles cen trifugally sepa-
rated from
the
air fall
into
a
dust
cup.
The
fine
dust particles left
on
the
paper
element
can be
removed by air-blasting.
AIR CLEANER SERVICES
After
each 100
hours
of
operation,
empty
the
dust cup, and clean the
paper
element, first with
a blast
of
compressed air and,
if
this does
110t
remove the deposited
dust
completely,
then
by
washing with a non-sudsing water-detergent
mixture.
If the machine
is
worked
in a
dusty
area,
the
above-mentioned servicing interval
of
100
hours
should be shortened.
1-Body
2-Element
3-Dust cap
4-Vane
Partial cutaway view of air cleaner
ENGINE
2·49
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