PREVOST X3-45 Multiplex - Page 279

Please refer to the above photos and please replace the ring gear which has similar level of damage as these. See
the next page for the method to measure the depth of the damage.
(Depth of wear / damage on ring gear)
Service Bulletin A1-M1N-1729EN - Flywheel Ring Gear Wear /
Damage
(Sample of Maximum Ring Gear Wear /Damaged)