Communication Error Codes | 91
Adjust the Stack Dogs
n Caution: This is a delicate procedure, best performed by a technical expert.
Consider contacting BioTek TAC to let the professionals resolve your
performance problems.
Stack Weights may eliminate performance problems! Try using this accessory before
adjusting the stack dogs, if possible.
If your non-standard-sized microplates are not transferring properly, adjusting the
stack dogs may be the solution. Improved performance has been seen with this
method when using plates that are slightly longer than Corning 96-well plates.
This procedure repositions the stack dogs at the bottom of the stack to loosen the
grip on the microplates, improving performance.
Tools: You will need a 5/64" (2.0 mm) hex (Allen) wrench and set of feeler gauges
to perform this adjustment.
Perform this procedure on both input and output stacks.
1. Turn an empty stack upside down and set
on a flat, solid surface.
2. Identify the two stack dogs and four set
screws to be adjusted.
3. Slide a .030" to .034" feeler gauge between
the dog and stack wall in the space between
the set screw and center notch.
4. When the desired gap is achieved, tighten
both set screws. Measure the gap on both
sides of the center notch after tightening
each one to make sure they are identical.
5. Apply the same size gap to the other dog.
n Be as precise as possible when
performing this procedure: apply the
same size gap all around.
BioTek Instruments, Inc.
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