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REPLACEMENT OF DRIVE DISC BEARING
Fit bearing
Do the following with the
transmission side facing
upward.
Fit inner bearing
Place the bearing on the tool
and hold it under the bear-
ing housing. Insert the screw
through the triangle and
tighten the screw in the tool
on the underside.
Lock the screw and turn
the nut until the bearing
bottoms out.
Fit outer bearing
Place the bearing and the
spacer ring on the tool and
hold it under the bearing
housing.
Note the position of the
triangle!
Pull in the bearing until
the spacer ring blocks fur-
ther movement.
Fit the drive shaft
Hold the drive shaft on the
underside and tighten the
tool's screw in the shaft.
Pull in the drive shaft until
the shaft bottoms out
against the triangle's
rounded underside.
Replace the stuffing box
Press out the old stuffing box
in either direction.
Place the new stuffing box
with the spring side facing
upwards. Press down the
housing until it bottoms out
against the base.
Turn the spring side down
during assembly.
Fit bearing
Do the following with the machine
on a flat surface. The transmission
side should face upward and the
underside should be accessible.
Fit inner bearing
Place the bearing on the round tool
section and hold it on the underside
of the bearing housing. Insert the
screw through the triangle and tight-
en the screw in the tool on the
underside.
Lock the screw and turn the nut
until the bearing bottoms out.
Fit outer bearing
Place the bearing and the spacer
ring on the round tool and hold it
under the bearing housing.
Note the position of the triangle –
press directly against the inner bear-
ing.
Pull in the bearing using the tool
until the spacer ring touches the
inner bearing.
Fit the drive shaft
Hold the drive shaft on the underside
and tighten the tool's screw through
the triangle in the bottom of the
shaft.
Pull in the drive shaft with the tool's
nut until the shaft bottoms out
against the triangle's rounded under-
side.
Replace the stuffing box
Replace the stuffing box with a new
unit. Press out the old stuffing box in
either direction.
On a flat surface, place the new
stuffing box with the spring side
facing upwards. Press down the hou-
sing until it bottoms out against the
base.
Note that the spring side should be
turned down during assembly.
Re-installation
Check that all the parts are un-
damaged and then fit them. Grease
the O-ring and the stuffing box seal
against the shaft's wear ring.
Fit the pulley and the other parts.
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