The HI0304021 slide block for the Hirobo Lepton SZM is a precision component intended to tighten cyclic response and improve control feel during setup.
Correct placement of the block maintains consistent linkage geometry so small trim inputs produce predictable blade pitch changes. Keep mating surfaces clean and free of burrs to avoid binding that can upset tuning adjustments.
Installation tip: fit the block using the original fastenings, then fine-tune control throws and cyclic trims on the ground before flight. Recheck travel and linkage alignment after initial test flights to ensure tuning remains stable.
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