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Op. MA. 420.0
1
CHECKING
THE REAR AXLE USING OPTICAL
EQUIPMENT
NOTE
For detailed
instructions
on the use of optical
equipment
see front axle checking
operation
(Op.
MA. 410-O)
1. Checking'axle
alignment :
L
(11 With the vehicle
on the turntables
(engine
running
and manual
height
control
in normnl
runniup
position)
&
( turntables
marks at zero 1, place
a graduated
plate
( 1 i on the vertical
centreline
of each front wheel.
-6
:
b) Fit the projector
unit on ca<-h rcnl
uhccl.
I"
c i Swivel
the projectors
towards
the graduated
plate.
Focus
luminous
index
on graduations.
2
d ) Push
the graduated
plates
against
their
stops
( 2 ).
The alignment
of the
rear axle
is
correct
when
there is no difference in the reading between left-hcnd
52
and right-hand sides.
;
i 2. Checking wheel alignment :
n
2 "7
,Ploce
the two aliqnmeht
adjusting
rods (3 ) on either
side
of the rear axle
and proceed
as for front wheels.
Alignment
reading : Toe-in of rear wheels must be
1 to4mm
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