10
Disassembling the Drive Pulley
Disassembling the cap and the centrifuge
blocks
Remove the nut (15) and the washer (14).
This frees the cap and the centrifuge blocks.
L To make sure you don’t disturb the
balance of the pulley, mark the original
position of each centrifuge block so it can be
replaced in the same position when the
centrifuge is reassembled.
Inspection
• Damage to the units (4A)
• Condition of the anti-noise springs (4C) (on some models)
Disassembling the sliding sheaf
L Use a bench press (see illustration) or a drill press
to make sure the sliding sheaf doesn’t disassemble too
abruptly (it might jump apart like a spring).
Once you’ve removed the sliding sheaf from the shaft
of the stationary sheaf, position the stationary sheaf on
a press so you can lower the upper bearing (11).
Lower the upper bearing (11) so you can remove
the retaining ring (12) with a flathead
screwdriver.
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