This Hirobo collective pitch lever C is a service replacement component intended for use on compatible Hirobo helicopter series listed in the product category. It serves as the mechanical interface in the collective pitch linkage, transferring pilot input from the swashplate and linkage to blade pitch control in the rotor head assembly.
Use this part when replacing a worn or damaged lever during routine maintenance or when performing head assembly adjustments. Installation requires basic disassembly of the rotor head, careful routing of the collective linkage, and verification of pitch range before test flights. Check for proper alignment and free movement after installation to avoid binding during operation.
Practical tuning notes: when reinstalling, confirm neutral pitch at servo center, verify travel limits at the transmitter and ESC/servo setup where applicable, and perform small incremental trims while monitoring cyclic and collective response. Maintain conservative test throttle during the first hover after service.
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