92| USER MANUAL
MAINTENANCE ITEMS
PROPELLERS
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Propeller blades should be removed when making a change to the configuration
of the ALTA to prevent propeller strikes in the event of unintentional motor starts.
Propeller blades should be replaced on an as needed basis if they become damaged.
Generally, a nick on the leading edge that is large enough to catch a fingernail
indicates that the prop should be replaced. If the blade composite structure
becomes delaminated, the propeller blade should be replaced.
Freefly makes folding propeller assemblies available that include the blades and
prop hub fully assembled. They are available in clockwise and counter-clockwise
orientations.
The folding props are installed on the motors with four M3×8 socket head bolts.
CAUTION
Always use a threadlocking compound on the bolt
threads that attach the propeller hub to the motor.
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