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Cleaning is easily done after you've
practiced a couple of times. First make
sure the separator has come to a
complete standstill before performing
any service. Please note and consider the
general safety instructions in the
technical manual of the unit. The
revolution counter and the motor fan
indicate if the separator is rotating or
not.
The cleaning
interval depends on the solid
contamination of the medium and the
operation time. The exact cleaning time
can be calculated via a sizing tool. As
the separated sludge is accumulated on
the inside surface of the separator ball,
the ball has to be opened for cleaning.
Untighten the cap nuts and raise the
collecting cover. Remove screw plugs from
separator frame and open the separator
bowl. Lock the bowl from rotating with
the to lock screws. First the small lock
ring has to be removed. This is done with
the special tool "spanner for small lock
ring." Attention this is a left-hand
thread. Also the large lock ring has to
be removed. This is done with the special
tool "spanner for big lock ring" in
addition with a tin hammer. Attention
this is a left hand thread next step is
to remove the bowl hood and the top disc.
This enables you to lift up the disk
stack.
The remaining oil in the bowl body has
to be removed. This can be done for
example by disassembly of the bowl body
and pouring the oil out into a bucket.
Then you clean the bowl body and remove
all sludge and particles collected. To
assemble the bowl, please follow the
necessary steps. Carefully remember that
any exchange of major parts necessitates
rebalancing of the bulb. Assembling the
bowl should always follow the shown
sequence. Please refer to the service
instructions in the product manual for
more detailed information.
The disk stack has to be assembled
in the right position. Tighten the lock
ring counterclockwise left hand thread
until the bowl hood lies tightly against
the bowl body. The Alfa Laval oil
cleaning module is now clean and ready
to continue operation
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