Repair Manual

40
GENERAL
40 - 12
COLLISION DIAGNOSIS
CHECKING WITH THE BAR GAUGE
CENTRAL PART CHECKING
It is performed in the purpose to establish if one of the distortions is not affecting this
part, from which the checking starts.
The checking points are : Holes A – F – F’ – A’ and consequently H – H’ and B – B’.
FRONT LONGITUDINAL GIRDERS CHECKING
Checking points are: B – B’ for lower longitudinal girders and G – G’ for upper
longitudinal girders.
Lower longitudinal girders:
Compare the diagonal distance A – B’ w ith
diagonal A’ – B.
Upper longitudinal girders:
Compare the diagonal distance F – G’ w ith
the diagonal F’ – G .
H
F’
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