Removing Propellers - Hubsan H507A X4 STAR PRO User Manual

Make sure that the A and B propellers are installed correctly (to their
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corresponding motors). The X4 will not fly if propellers are improperly installed.
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Keep fingers and other body parts away from hazardous moving parts.
Notice
: Mind the corresponding colors of the A and B propeller screws!
Propeller B

6-2 REMOVING PROPELLERS

If a propeller needs to be changed:
Use a screwdriver to unscrew propeller A clockwise from the motor shaft. Unscrew
propeller B by unscrewing it counterclockwise.
Propeller B
Propeller A
Propeller A
Propeller B
10
Propeller A
Clockwise
Counterclockwise