3.6 Feedback spring, changing
Removal
The feedback spring(1) can be removed
by inserting a screwdriver between the
upper spring coils and compressing it so
that the upper spring socket is released
from its seat.
Mounting
Before the feedback spring is replaced, a
basic adjustment must be performed.
The A, B, and C gaps must be aligned.
The distance between the lower edge of
the lower spring support and the upper
edge of the red range nut must be less
than 0.8" / 21mm before mounting.
Fit the ”gaps” B and C into the slots on the
guided arm and at the same time install the
lower spring support on the yellow zeroing
wheel.
Compress the spring and flex it into the
housing, securing the upper spring socket
onto the stud on the balance arm.
Be sure that the upper spring socket and
lower spring support lies flat with their res-
pective contact surfaces and that the red
range nut can be turned.
17
V100 Positioner
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