SKF TMEA 2 - Page 20

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21
e)
If th
e hori
zon
tal al
ignme
nt is
very
poor
the l
aser
lines
might
tra
ve
l
outside the detector areas. If this happens a rough alignment
must be done. Do this by aiming the laser lines at
the positioning
detectors in the
9
o'clock po
sition. T
urn the measuring units to the
3
o'clock po
sition when the
lines will hit outside
the detector
areas. Adjust the lines to
the position half-way between the
detector centre and the actual position by means of the
adjustment mechanism as
per fig.
15. Align the Mo
vab
le machine
until the lines
hit the centre of
the positioning detector.
Fig
. 15.
Rou
gh al
ign
men
t
A
The beam moves out
side the detector area
B
Ad
ju
st t
he
be
am t
o ha
lf
th
e t
ra
ve
l
C
Dir
ect
the
mac
hin
e t
o h
it
the
cen
tre
A
B
C