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&
WARNING
&
The housing must be held down or personal in-
jury may result
.
3.
Install
housing and secure
with three
socket-
head cap
screws.
.
4.
Keeping the stat ionary sheave fixed,
rotate
the movable sheave counterclockw ise
until
all
clearance
is taken
up. Using
a sc
ri
be and
tri -square, scribe a
li
ne
on the
movable
sheave.
Fig.
4·4
0725·334
5.
Keeping the stationary sheave and
tri·square
fixed, rotate
the movable
sheave clockw ise
until all c learance is taken
up.
Using the
scribe and tri -square, scribe another
line
on
the
movab
le sheave.
6.
Using
a
caliper or scale,
measure
the
d istance between the
two
scribed
lines.
7.
If distance between the two scribed
lines
is
less
than
4 mm (0.156
in.), the
drive-c lutch
bearing wear is within tolerance and the drive
clutch is acceptable.
62
Fig.4·S
4
mm
(0.156
In.)
0725·335
8.
If
distance
between
the two scribed
lines
is
more
than 4 mm
(0.156 in.),
the
maximum
all
owable
drive-clutch bearing wear
is
not
within tolerance.
Drive cl
utc
h movab le sheave
and
housing
bearings must be replaced.
DISASSEMBLING
1.
Firmly
hold
the
housing (cover)
to
the
movable
sheave;
then
remove the
three
socket-head
cap
screws and
washers
secur-
ing
the
housing
to
the
movable sheave.
Remove
housing. Note
the
balance marks on
the
movable sheave
and
housing
to aid in
assembly.
Fig.
4·6
&
WARNING
&
The housing must be held down or personal in-
jury may result.
(
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