This Hirobo collective pitch lever C is a service replacement component intended for use on the compatible Hirobo helicopter series listed in the product category. It acts as the mechanical link in the collective pitch assembly, transferring inputs from the swashplate and linkage to the blade pitch mechanism in the rotor head.
Fit this part to replace a worn or damaged lever during regular maintenance or when adjusting the head assembly. Installation requires careful partial disassembly of the rotor head, correct routing of the collective linkage, and a pitch range check before any test flights. After fitting, confirm smooth movement and correct alignment to prevent binding in operation.
Practical tuning notes: set neutral pitch with servos at mid position, confirm transmitter travel limits and ESC/servo setup where applicable, and make small incremental trim changes while monitoring cyclic and collective response. Use a conservative throttle hold during the first hover after service.
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