This Hirobo torque lever is listed as HI0304041 and is presented as a direct replacement part for models identified as LEPTON LEX SWM in the product name. It acts as the tail torque lever in RC-scale helicopters, transferring input through the linkage to manage tail rotation and control.
Installation notes: remove the existing lever and replace it in the same orientation, ensure it seats correctly on the shaft, and confirm linkage alignment before flying. Perform a bench check of tail movement to verify free travel and that fasteners are secure.
Tuning role: the torque lever sets tail control geometry and affects response; correct fit and alignment are essential for predictable tail behavior. Inspect connections and fastenings after initial flights and during routine maintenance.
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