This Hirobo collective pitch lever C is provided as a service spare for the compatible Hirobo helicopter series listed in the product category. The lever transfers pilot inputs from the swashplate and linkage into pitch control at the rotor head, forming a critical part of the collective mechanism.
Fit this component when the original lever is worn or damaged, or when adjusting the head assembly. Installation involves partial rotor head disassembly, correct routing of the collective linkage, and a check of pitch travel prior to initial test flights. Ensure unrestricted movement and correct alignment after installation to prevent binding.
Recommended approach: set neutral with servos centered, verify transmitter travel limits and servo endpoints, then perform small trim adjustments while observing collective and cyclic response. Keep throttle conservative for the first hover after maintenance to confirm behavior.
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