This item is an RC collective pitch lever shaft supplied as a replacement for Hirobo Eagle family helicopters and the related Freya, EX and SX model lines referenced in standard parts lists. The shaft provides the rotating pivot in the collective linkage, transferring commands between the swashplate and blade control arms.
Compatibility: always confirm the part number HI0404624 with your helicopter's parts diagram prior to ordering; fitment is specific to the Eagle, Freya, EX and SX platforms. This component is commonly replaced when original shafts show wear or play that affects control precision.
Installation notes: remove the rotor head and stabilise the airframe before removing the old shaft. After fitting the new shaft, confirm free movement of the swashplate across the full collective range and check for any binding. Reuse existing retaining hardware where appropriate and inspect nearby bearings and linkages for wear while access is available.
Tuning role: even though the lever shaft is small, it plays a role in collective symmetry and pitch consistency; replacing a worn or loose shaft is a typical maintenance step when addressing uneven pitch response.
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