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MAINTENANCE/SERVICE
ROLLS AND ROLL DRIVE
(continued)
Roll Timing
For proper conditioning, the rolls
must
be timed
with each steel bar on one roll centemd
between
two bars
of
the
other
roll
as
shown,
WARNING: To avoid bodily
injury
or death from
unexpectE~d
start-up
or fall of raised machine;
stop
engine, remove key and
lengage
lift
cylinder
stops before going under rnachineto
examine
roll timing, or for any rea$on.
Examine roll
timing
along
the
length
of the rolls
and adjust
to
desired position as
follows:
1.
Adjust
roll
drive
chain
tension
(previous
page).
2.
Loosen two
bolts
(A)
In
slots of yoke plate
on
either
upper
or
lower roll
universal
shaft.
3.
Remove
bolt
(8)
from
one of thle
series
of
holes
in
yoke
plate.
4.
Turn rolis
to
achieve
best
timing.
5.
When
roll timing
is
satisfactory
,
align any of
the holes in
yoke
plate with
a
hole
in mating
plate
at
drive case and
install
and
tighten
bolt
(8
).
Tighten bolts
(A)
to
secure the position
.
NOTE: This adjustment
should
bl~
made in
conjunction with
the
"Roll Gap"
:3djustment,
detailed
in Operation
section.
57
ROLL
TIMING
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