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a
OPERATION
N'
MA.
410-O
: (./~rrkiq
N,,I/
</r/jes/irq
/hc
/mvI
n.v/<.
/(vi/.
VI.
CHECKING
AND
ADJUSTING
THE
STEERING
GEOMETRY
The
crossmember
supporting
the steering
has slots
at its fixing
point
on the front subframe.
Any vertical
movement
of this crossmember
alters
the steering
geometry.
WARNING
This
operation
is only to
be
carried
out in certain
ccxses such as
-accidental
impact,
with
repercussions
on the steering
system.
-work
on the vehicle
entoiling
removal
of steering
crossmember.
- vehicle
with
poor
road
stability
( p
oar
stright-line
stability)
01
with
excessive
tyre weor.
CHECKING
1,
Prepare
the vehicle.
as for checking
front wheel
alignment
( Srr
~ho/,lvr
V I.
NOTE
A ) \In,,unl
~fi~<,r;,,~ I chiclvs
:
With the steering
in the /< straightahead
1)
position.
lock the steering
using
CI commercially
available
tool ( FACOM
_ MULLER
-WILMONDA)
B) PO,, P)' \,r,rr;ng
r'cliirl<,.s
:
Do not actuate
steering
wheel
during
check
( hydraulic
locking
of rock 1.
As a precaution.
a steering
wheel
iocking
tool may also be
used.
2. Mark
position
of vehicle
in relation
to
ground
:
Secure
a weighted
length
of string
to the front
bumper.
and
mark
the position
of the weiqht
on
the ground
( The
object
of this is to always
bring
the vehicle
bock
to the
some
position
in order
to
carry out correct
measurements
1.
NOTE
Other
procedure
This
check
having
to be carried
out wheel
hy wheel.
it is possible
to use the free projector.
Secure
projector
to scuttle
panel
crossmemher,
and
focus
it onto a fixed
object,
which
will
indicate
the
initial
positioning
of the vehicle.
3. Measure
the
variation
in the
wheel
alignment
wheel
by
wheel,
ds o function
of the
height
of the
vehicle.
a)
From
Ihc
m~nwnl
rlri,:ir,g
posi/ior,
lo /hc
hi@
posilio,,
f ftouad
1 :
With vehicle
in mwmal
rlriving
position.
engine
running
ond
position
marked
in relation
to groond
:
Mark position
of luminous
spot on front graduated
rule.
Place
m'anual
height
control
lever in hi&
posilirrrl.
and wait
for vehicle
to stabilize.
Check
and adjust
if necessary
position
of vehicle
in relation
to ground.
( II
eight
01 Inmbrous
spol
ou
/i wd
0 hit,< I J.
Mark position
of luminous
spot on front
graduated
rule.
and on rear one
1) Front
and
rear
readings
ore the some (no
variation
in alignment
in the wheel
1.
NOTE
: The reading
f I,i$
or lorr posilios
J
on the qroduated
rules
differs
from the initial
reading
f non,,nl
>r,nrlinl:
position
J
because
the front track has altered.
2)
Front
and
rear
readings
ore
different
( in this
case the alignment
has oltered,.either
in
toe-in
or toe-out
).
0 to 1 mm toe-in
is permissible
on
either
wheel
b)
,:rr ,,I, /bv
IIDIINRI
hi&g
,,osi,;orr
lo ,I,<, lo,,
posiliov
f Hrlmuad
) :
Proceed
OS for previous
measurements,
place
manual
height
control
lever in low position.
In
this
case. the permissible
difference
in oliqn-
ment
is
O.to
1 mm toe-out.
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