Step 3.
Loosen the Thumb Screw and make sure it is not
touching the Fiber Frames. Then the four Folding
Arms can be folded or opened.
Step 4.
Make sure the Arm is fully folded or opened, and then
tighten the Thumb Screw completely. It should
throught two layer of the carbon fiber frames as
shown above for secure flying.
Step 5.
Always check if the above four Screws on the Upper
Main Frame are secured tightened completely for
secure flight. If you found that it is getting loosen,
secure it with
Thread Locker
. At the same time, do
Step 2 shown above from time to time to ensure a
secure flying.
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