Section 2 – Main Gear Installation
Parts List
Bag 2
Main Gear
Autorotation Hub-Deluxe/Main Gear
Hub-Standard
M3x6 Cap Head Screws x 4
Main Shaft x 1
Main Shaft Collar x 1
M3x18 Cap Head Screw x 1
M3 Locknut x 1
M3x3 Set Screw x 4
Next, attach the main gear to the
antirotation/main gear hub as
shown. It will be attached with
(4) M3x6 cap head screws.
When attaching the antirotation
hub to the main gear, you may
need to open the holes slightly.
Use a hobby knife to gently open
the holes so that the M3x6
screws
will easily screw into the plastic.
Slide the main shaft down
through the upper and lower
bearing blocks and into the
autorotation hub.
Note that the
smaller diameter part of the shaft
goes into the gear and
autorotation hub.
Secure the shaft in place with an
M3x18 cap head bolt and M3
locknut. Then secure the main
shaft on top with the main shaft
collar and (4) M3x3 set screws.
Pull up on the shaft when
tightening the setscrews to
remove any possible endplay.
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