Multifors 2 - Parallel Bench-top Bioreactor
Maintenance
28 March 2018
Page
185
of
211
10.
Pull the lower ball bearing off the stirrer shaft.
9.5.2 Mounting the new Ball Bearings
CAUTION!
Risk of damaging the ball bearings due to inap-
propriate mounting!
The ball bearings are damaged and will therefore
be unusable, if they are inappropriately mounted or
have an incorrect axial loading.
Therefore:
– Mount the ball bearings carefully and
with the
correct orientation.
– Do not put pressure on the wrong side of the
ball bearings!
– Strictly follow the mounting procedure described
here.
Before mounting the new ball bearings, note the following:
The ball bearings only allow a one-sided axial load. It is absolutely
necessary that they have the correct orientation when mounting.
The difference between both sides of the ball bearing is visible as
follows: