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OPERATION
ROLL GAP
A
WARNING: To avoid bodily injury
or death from unexpected
start~up
or fall of raised machine;
stop
engine, remove
key
and engage lift
cylinder
stop
before going under machine to
examine
rolls or for any other reason.
Steel
rolls
"condition"
the
crop
by
crimping the
stem
in
several
places.
This
allows
moisture
release
for
quicker
drying,
The degree
to
which
the crop
is
conditioned
as it
passes
through the
rolls is
controlled
by
roll
gap
(A),
measured from
bar to
roll
tube.
T
he gap Is factory set
at
318
inch
(10
mm)
for normal
operation.
Correct
conditioning
of
alfalfa,
clover and
other
legumes is
usually
Indicated
when
90% of
the
stems
show
cracking,
but
no more
than
5%
of
the
leaves
are
damaged.
Use
only
enough roll
gap
to
achieve
this
result.
A
slightly larger gap
(up
to
71B
inch
(22 mmJ)
may be
desirable
in thick
stemmed
cane-type
crops;
however,
too
large a gap will cause
feeding
problems.
Grass type craps may
require
less gap far proper
feeding.
To adjust roll
gap:
a.
Raise
header
fully.
b.
Loosen
jam
nut
(8
),
both
sides.
C.
To
Increase roll
gap,
turn
nut
(C)
clockwise.
d.
To
decrease roll
gap,
tum
nut
(C)
counter-
clockwise.
e.
Tighten
jam nut
(8),
bath
sides.
f.
Lower
header and
Inspect
roll
gap along
the
length
of the
rolls.
IMPORTANT:
Gap settings must be equal
at
both ends of
roll
,
NOTE:
Roll
tension
(the
force
holding
the rolls
together)
is
factory
set
and
nan-adjustable.
32
ROLL GAP
1
.!.I
;
H1
,
'
ROLL
GAP ADJUSTMENT
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