© 2011 Finger Lakes Instrumentation, LLC.
9
CFW Rev D. July 2010
Filter Installation (CFW-5-7)
The CFW internal wheel has “Multi-Step” Filter Retainers that can be adjusted to accommodate filters from
1mm to 5mm thick.
NOTE: The thinnest Filter Retainer Ledge accommodates the thickest Filter and the Thickest
Filter Retainer Ledge accommodates the Thinnest Filter.
1.
Remove the Cover and set the eleven Cover Screws aside.
2.
Remove the Three Screws that secure the Filter Wheel to the Bearing Hub. (The Bearing Hub
is located in the center of the wheel.)
3.
Place the three Hub Screws aside.
4.
Lift the Filter Wheel and Chain from the Frame and Motor Drive sprocket.
5.
Turn the Filter Wheel over so that the “Multi-Step” Filter Retainers are Facing Up.
6.
Select one of the Filter Pockets to install a Filter, and Remove both filter Retainers using a
Philips Head Screw Driver.
7.
Carefully place the filter into the filter pocket.
8.
Install the filter Retainers by aligning the appropriate Filter Retainer “Ledge” to secure the
filter.
9.
Do not over tighten the Retainer screws.
10.
Repeat Steps 5 through 7 for the remaining filters.
11.
Turn the Filter Wheel over so the Labeled Filter Positions are Facing up.
12.
Position the chain around the perimeter and over the teeth of the Filter Wheel
13.
Place the chain around the Motor Drive Sprocket and align the Wheel over the Bearing Hub.
14.
Secure the wheel to the Bearing Hub using the three screws you removed in Step 2.
15.
Place the Cover onto the Frame and secure it with the eleven screws removed in Step 1.
