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
"co
nd
ition" the crop by crimping the
stem
in
several places. This allows moisture
release
for
quic
ker
drying, The d
eg
ree to which
the crop is co
nd
itioned 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
norm
al operation.
Correct conditioning
of
alfalfa, clover
and
other
legu
mes
is
usually Indicated
when
90%
of
the
stems show cracking, but no more than 5%
of
the leaves
are
damaged
. Use only enough ro
ll
gap to achieve this resul
t.
A slightly larger gap
(up
to
71B
inch
(22
mmJ)
may
be
desirable
in
thick st
emme
d cane-type
crops; however, too
large a
gap
will cause
feeding
problems.
Grass type craps may
requ
ire l
ess
gap
far proper
feed
i
ng
.
To
adjust roll
gap
:
a.
Ra
ise header fully.
b. Loosen jam nut (8
),
both
sides
.
C.
To Increase roll gap, turn nut
(C)
clockw
is
e.
d. To decrease roll gap, tum nut (C) counter-
clockwise.
e. Tighten jam nut (8), bath s
id
es
.
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
roll
s
together) is factory set and nan-adjustable.
32
ROLL
GAP
1 .!.I ;
H1
, '
ROLL GAP ADJUSTMENT
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