CHASSIS
The
construction
of
the
steering
column
is
as
such
that
the
lower
shaft
is
fitted
into
the
upper
tube
when
a
compressing
force
is
applied
to
the
lower
shaft
r
I
1
V
f
7
Steering
torque
is
transmitted
by
the
lower
shaft
and
upper
tube
The
lower
shaft
adopts
a
special
shape
a
circle
with
two
straight
cut
edges
and
the
upper
tube
interior
is
tightly
fitted
against
the
lower
shaft
exterior
toward
the
entire
area
In
addition
four
plastic
pins
completely
eliminate
gap
between
the
lower
shaft
exterior
and
upper
tube
interior
I
I
Jacket
lube
2
Shaft
stopper
I
3
I
Column
coUar
4
Column
shaft
When
a
compressing
force
is
applied
the
above
described
plastic
pins
are
cut
and
the
lower
shaft
is
fitted
into
the
upper
tube
When
the
lower
shaft
is
once
fitted
into
the
upper
tube
the
shaft
end
spreads
and
the
lower
shaft
cannot
be
withdrawn
unless
an
extremely
high
load
is
applied
Fig
ST
1
7
Shaft
stopper
Moreover
for
rearward
column
shaft
projection
the
collar
for
steering
lock
installed
on
the
shaft
runs
against
stoppers
in
three
places
on
the
jacket
tube
which
allows
the
column
shaft
fitting
and
thus
reaIWard
projection
is
prevented
Note
In
no
event
should
an
impact
or
large
power
be
applied
to
the
shaft
with
a
hammer
or
other
matter
during
disassembly
or
reassembly
The
column
shaft
lower
end
and
upper
end
are
supported
respectively
by
two
worm
hearings
and
a
colwnn
bushing
JACKET
TUBE
w
1
U
II
I
II
I
r
liJl
I
I
D
I
1
1
Mesh
tube
I
2
Jacket
tube
Fig
ST
18
Jacket
tube
ST
10
