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ID
19
OPERATION
No.
ID
433-x
: Work on the suspension units
Op.
ID
433-3
245
13
14
15
16
17
18
19
20
21
OVERHAULING
A
HEIGHT
CORRECTOR
Dismantling
(see
Pl.
86).
To
remove
the
steel
cups
(1)
and
(2)
: blow
compressed
air
through
the
overflow
return
pipe
(A).
If
one
of the
cups
remains
in
position,
screw
a plug
D
391-63
( see
PI.
89)
on
the
pipe
opening
nearest
to
the
cup
and
disengage
it
by
levering
it
off
with
a small
screwdriver.
Remove
the
plug.
Remove
the
nut
(3)
holding
the
front
cup
on
the
corrector.
Remove
the
steel
cup
(4),
the
rubber
cup
(5)
and
the
inner
steel
cup
(6).
Remove
the
slide
valve
and
rear
cup
assembly
. . . . . . . . . . . . . . . . . *. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hold
the
control
(7)
in
a vice
and
remove
the
locknut
(8)
from
the
control.
Remove
the
control.
Withdraw
the
plain
washer
(9),
the
outer
steel
cup
(lo),
the
rubber
cup
(11)
and
the
inner
steel
cup(12)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clean
the
parts
carefully
and
blow
with
compressed
air.
NOTE
- In
the
hole
drilled
in
the
body
parallel
to
the
spindle,
there
is
a steel
wire
which
must
not
be
removed.
Assembly
(see
P1.86).
To
fit
the
front
cups
:
On
the
end
of the
slide
valve
(13)
with
the
longer
threaded
portion
place
an
inner
steel
cup(lZ),
a rubber
cup
(1 l),
previously
immersed
in hydraulic
fluid,
an
outer
steel
cup
(10)
and
the
plain
washer
(9).
Screw
up
the
valve
control
(7)
and
tighten
to
3. 6 ft.
lbs
(0.5
m.
kg)
(without
distorting
the
steel
cup).
Fit
the
locknut(8)(thethinner
nut)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil
the
slide
valve
(hydraulic
fluid)
and
engage
it
in
the
body
of the
corrector
(see
illustration
for
correct
position)
with
the
control
on
the
side
nearest
the
return
union
(B).
On the
other
end
of the
slide
valve,
place
an
inner
steel
cup
(6),
the
rubber
cup
(5),
previously
immersed
in
hydraulic
fluid,
and
the
outer
steel
cup
(4).
Tighten
the
nut
(3)
to
1.8
ft. lbs
(0.25
m.
kg)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*...............................
Immerse
the
corrector
in
hydraulic
fluid.
Position
the
control
(see
fig.
1) by
turning
the
valve
and
cup
assembly.
Fit
the
rubber
cups
(5)
and
(11)
in position
in the
grooves
in the
corrector
body.
Seal
the
unions
and
the
overflow
return
pipe
with
plugs.
Remove
the
corrector
from
the
fluid
bath.
Place
the
retaining
cups
(1)
and
(2)
in
position
immediately:
engage
them
by
hand.
Complete
the
fitting
with
a press
(a
slight
pressure
is
sufficient)
(mandrel
MR-3045-80,
see
Pl.
88,
fig.
1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TOOLS
8 mm
box
spanner
8 mm
spanner
8 mm
spanner
8 mm
box
spanner
Mandrel
MR-3045-80
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