3
The following are the recommended belt tension adjustments:
To
obtain
the
measurements
place
a
long
straight
edge
across
the
span
as
shown
by
the
do ed
line
and
press
down
on
the
belt
with
a
small
force
scale
or
fi
nger p
at
midspan
between
the
contact
points
of
the
belt
and
sheaves.
The
primary
'MOTOR'
drive
adjustment
is
an
average
of
the
3
belts.
Adjust
to
.
25
"
de
fl
ec on
with
6
to
7
lb
s
.
of
force.
Also,
when
adjus ng
the
'MOTOR'
drive
belt
tension,
make
sure
to
keep
the
motor
moun ng
as-
sembly
square,
either
using
a
tape
measure
or
the
notches
in
the
moun ng
slides.
When
properly
aligned
belt
tension
should
be
the
same
in
all
three
belts.
The
'GATE'
drive
belt,
on
a
standard
speed
system,
from
the
intermediate
sheave
set
to
the
fi
nal
drive
sheave
is
as
follows;
de
fl
ec on
of
.
3"
with
a
5
to
6
l
bs
.
of
force
for
individual
belts
or
.3"
with
11
to
13
lb
s.
of
force
for
banded
belts.
The
"GATE"
drive
belt
on
a
slow
speed
system,
from
the
intermediate
sheave
set
to
the
fi
nal
drive
sheave
will
have
a
de
fl
ec on
of
.
3
"
with
a
9
to
11
lbs
.
of
force.
For complete BELT CHANGING instruc ons refer to page 14 in this document.
2490 BELTS (cont.)
