Alexa Housing Setup
Page 14
Lens Gear Drives (LGD’s)
General Notes.
This section
addresses the installation of three
LGD’s – 2 x CCW (Counter Clock Wise)
and 1 x CW (Clock Wise). These
designators are applied because two
LGD’s point in a CCW direction and
the other in a CW direction, The LGD’s
are marked CCW and CW.
You will install guide bars and drive
shafts that match the lens of your choice.
Contact Gates to determine the correct
combination for your lens.
Secure Guide Bars.
Insert the guide bars by threading
them into the front bulkhead. Tighten firmly by hand – no tools are required but
wrench flats are provided on the guide bars should this be necessary.
Install Drive Shafts.
These are ¼” black delrin and have a flat spot milled into one
end. This end inserts into the drive coupler at the face of the front bulkhead.
Secure gently with the set screw on the coupler. Do not overtighten.
LGD’s mounting.
Install the LGD’s in their proper orientation with pivot gear
screws facing forward. Slide it onto the guide bar and drive shaft, then line up the
LGD with the lens gear you wish it to access.
The Alexa includes three
LGD’s – 2x CCW and 1x CW.
Insert the drive shaft into the
coupler. One end of the shaft
will have a small flat spot.
Align this with the set screw,
and tighten gently. Do not
over tighten.
Note: Different Gates housing shown.
Thread the Guide Bar into the
front shell and tighten by
hand.
