NEW BRUNSWICK SCIENTIFIC BioFlo 110 Manual To Operations page 28

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Whenever you assemble or disassemble the vessel components, if you need to lay the
drive assembly aside while it is still attached to the headplate and the agitation impeller
shaft, note that thereis a correct and an incorrect way to position the assembly on a flat
surface.
The wrong way, which is resting the headplate and impeller shaft on a surface (see Figure
9a below) puts the impeller shaft at risk for damage:
Figure 9a: WRONG Handling of Drive Assembly
HEADPLATE
DRIVE
ASSEMBLY
IMPELLER SHAFT
The correct way, which is resting the drive assembly and headplate on the surface (see
Figure 9b below), protects the impeller shaft from bearing weight. Naturally, you will
have to take care not to hit the shaft as you work around it
Figure 9b: CORRECT Handling of Drive Assembly
HEADPLATE
DRIVE
ASSEMBLY
IMPELLER SHAFT
New Brunswick Scientific User's Guide