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3.3 Removal
When the blade is damaged or needs to be
replaced, hold the propeller with a hand or
the provided auxiliary wrench, and remove
by turning it in the indicated “unlock” direction.
3.4 Installing the Propeller Guards
It is recommended that beginners use the APHUDX4 propeller guards for flight safety while flying.
1
before each flight.
Before each flight, be sure to check that all propellers are free of deformations and undamaged. If any
propeller is damaged, please replace before flying.
performance.
• Remove the existing fuselage screws first. Use the longer propeller guard screws provided to then install the propeller
guards. (Note: The propeller guard screws and assembly/disassembly tools needed are located in the box housing the
guards themselves.)
• Please note the distinction between A propeller guards and B propeller guards during installation. Guards must be
matched with the appropriate motors (A to A, B to B), or installation will be impossible.