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19. Place the wood mount and join the main plate, next
center the wood mount then make marks on fuselage.
20. Remove the wood mount, then use file to make two
notches so the wood rails can fit in later.
21. Install the muffler and check if muffler contacts the
wood mount. You may need to trim the wood mount.
(photos shown is OS91 with
kits comes with muffler extension that you may use.
Check if the throttle lever contacts the muffler if you
use the extension. Trim the contact area if necessary.
Zimmermn muffler
) The
22. CA the main plate and wood mount in place and
make sure the holes on main plate are aimed to the
holes on wood mount.
23. Temporally secure the helicopter on wood mount
with a M3 socket screw, this is to keep helicopter and
wood mount together for next assembly step.
24. Replace the post from the old one. Next install the
body retainer with 3x8mm socket screw and washer.
Adjust the body retainer so it just contact the fuselage.
Make marks at the holes. Do the same procedure at the
other side.
10
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