Counter Gear Joint Shaft for GPH 346 - HI0403245 Hirobo  [HI0403245]

Component description and fitment

This RC counter gear joint shaft is identified as HI0403245 from Hirobo and supplied for use in GPH 346 helicopter assemblies. It is designed to sit within the counter gear zone of compatible GPH 346 gear trains and acts as the rotating link between paired gear elements.

Installation notes: place the shaft into the counter gear assembly following the factory alignment points, check mating gear faces and runout, and confirm that bearings which interface with the shaft are clean before completing assembly. Use the correct hex drivers and the screw sequence shown in your model parts diagram to prevent misalignment.

Tuning and maintenance advice: this shaft is a serviceable wear component to replace when gear play or shaft damage affects drivetrain smoothness. When fitting, verify gear mesh and axial clearance while turning slowly, and perform a short bench run to ensure smooth engagement ahead of flight.