The KO Propo 35552 set is a spare parts option for servicing PDS-2501 and PDS-2503 servos, aimed at replacing worn gears and restoring smooth operation. It is a straightforward choice for routine repairs.
This gear set matches the gear train arrangement used in PDS-2501 and PDS-2503 servos, supporting reliable control inputs when fitted correctly. Replacing worn gears will reduce backlash and improve repeatability.
Carry out visual checks and listen for unusual noises to spot degrading gears early. Replacing the 35552 gears during scheduled maintenance keeps servos performing predictably.
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