Install The Main Landing Gear - GREAT PLANES U-Can-Do SF Instruction Manual

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9. Locate the mounting blocks under the covering in the
elevator halves for the elevator control horns. Position a
control horn onto each elevator half over these mounting
blocks and mark the locations for the control horn mounting
screws. Drill 5/64" [2mm] holes at your marks. Install the
control horns using four 2-56 x 5/8" [16mm] machine screws
and control horn backplates.
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10. The procedure for making the elevator pushrods is
the same as it was for the ailerons. A 5-5/16" [135mm] and a
7-1/16" [180mm] carbon tube are included for strengthening
the elevator pushrods. The clevises should be connected to
the fourth outer holes from the control horn bases. Assemble
and install the rudder pushrod in the same manner using the
remaining 5-7/8" [150mm] carbon tube.
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11. Apply a drop or two of oil onto the tail wheel axle and
slide on the tail wheel. Secure it in place with a 1/8" [3.2mm]
wheel collar and 4-40 set screw. Confi rm that the tail wheel
rotates freely.

INSTALL THE MAIN LANDING GEAR

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1. Install the axles onto the main landing gear legs using
the large axle nuts. Orient them so the fl at spots at the ends
of the axles are facing downward.
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2. Slide a 5/32" [4mm] wheel collar onto the axle and
tighten it against the base of the axle using a 6-32 x 1/4"
[6mm] socket head cap screw and thread locking compound.
Apply a drop or two of oil to the axle and then install a main
wheel. Install another 5/32" [4mm] wheel collar and 6-32 x 1/4"
[6mm] SHCS onto the axle against the fl at spot. Confi rm that
the wheel rotates freely. Repeat this step for the other axle.
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