GAUI X7 Main Gear One-way Bearing
Be sure to use One-way Bearing Grease to cover and fill the entire bearing and gaps in the one-way bearing.
After a period of flight time*, it is recommended to remove the main gear hub to clean and re-oil the one-way to ensure smooth and normal operation.
This technical note and recommendation also advised on all other helicopter models.
#666200 One-way B. Grease
Wish you a pleasant & safe flight!
*Depending on pilot flying environment / equipment used / flight style.