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Section 5 Repair and Overhaul
5.1 Rotating assembly removal
The following procedure is for removal of the rotating assembly. Remember
the bearing housings are aligned for each centrifuge frame and should never
be interchanged.
1. Open vessel cover.
2. Remove the following parts:
a. Bolts from bearing housing cap.
b. Belt guards, belts and feed tube.
3. Carefully lift the bowl assembly using a hoist and nylon sling.
Set bowl on a wooden pallet to prevent rolling. Parts which are
Removed should be placed in a clean area to facilitate cleaning
and inspection.
5.2 Rotating assembly
5.2.1 Correct Bearing Alignment
The rotating assembly is mounted on two pillow block bearings which are
specially aligned. A special alignment shaft is used to align the pillow block
housings to the centrifuge frame. This bearing alignment must be performed
in Swaco Assembly Shop, in Florence KY.
NOTE
BOWLS CAN BE SWITCHED FROM ONE FRAME TO ANOTHER
ONLY WHEN THE PILLOW BLOCK HOUSINGS REMAIN WITH EACH
CENTRIFUGE FRAME. WORN BEARINGS CARTRIDGES MAY BE
REPLACED.
PILLOW BLOCKS CONTAIN RANDOMLY LOCATED ALIGNMENT
PINS THEREFORE A GIVEN SET OF PILLOW BLOCK HOUSINGS
WILL ONLY FIT THE ORIGINAL FRAME AS DELIVERED.
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