9
Hangar 9 Alpha 40 ARF Assembly Manual
Step 6
Use a 9/64-inch hex wrench or ball driver to tighten the
screws that attach the mount to the firewall. Make sure the
blind nuts are drawn into the back of the firewall. Also make
sure you have placed a small amount of threadlock on each
of the screws so they don’t vibrate loose in flight.
Step 7
Use a 3/32-inch hex wrench or ball driver and a 1/4-inch
nut driver to tighten the hardware securing the engine to the
engine mounting rails.
Step 8
Use a hobby knife to cut a 1/4-inch (6mm) piece of tubing
from the 2-inch (52mm) safety tubing.
Step 9
Slide the piece cut in the previous step on a nylon clevis.
Thread the clevis 10-turns onto the threaded end of the 2-56
x 16
1
/
4
-inch throttle pushrod wire.
Step 10
Slide the pushrod wire into the tube in the firewall that aligns
with the carburetor arm. Connect the clevis to the carburetor
arm and slide the tubing over the forks of the clevis to keep
the clevis from opening accidentally.