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Alfa Laval S 821 - Fitting the Coupling to the Motor

Alfa Laval S 821
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6.5 ASSEMBLY 6 SERVICE, DISMANTLING, ASSEMBLY
90
2 Fitting the coupling to the motor.
G08654H1
a Clean the motor shaft and apply a
thin oil film.
b Apply lubricating paste to the tool
threads (keep lubricated).
d Fasten the sleeve of the tool to the
motor shaft with the same screw that
normally holds the centrifugal clutch
to the motor.
e Use a spanner to turn the nut on the
tool. This will press the centrifugal
clutch on to the shaft. Remove the
tool.
c Remove the brass plug.
N
O
T
E
Make sure that the
key is in place on the
motor shaft.
f Install and tighten the
washer, spring washer and
screw.
Piece of wood
Attach a socket with extension rod and handle to the screw.
Place a piece of wood according to the illustration. Push
the handle to start the rotor moving, when the handle hits
the piece of wood, the weight and movement of the rotor
tightens the screw.
Repeat until screw is fastened.
N
O
T
E
See mounting with optional hydraulic
puller tool (if purchased) on next
page.

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