If damage was found to a component of the accessory drive during the Clean and Inspect for Reuse step, the
following components of the accessory drive, if damaged, can be replaced by disassembling the accessory drive.
• Accessory drive shaft
• Accessory drive housing
• Accessory drive bearing
• Accessory drive gear.
NOTE: Before disassembling the accessory drive, check to make sure the parts for the specific accessory drive
being serviced are available. If not, replace the accessory drive as an assembly.
Use a hydraulic press and proper support to disassemble the accessory drive in the following order.
• Press the drive shaft from the drive gear and housing
• Press the bearing from the housing.
Clean the accessory drive components with solvent.
Dry with compressed air.
Inspect the bearing for binding, seizing, and excessive noise when spun.
Replace if any damage is found.
Measure the inside diameter of the accessory drive gear bore.
If out of specification, replace the accessory drive gear.
Measure the outside diameter of the accessory drive shaft at multiple locations along the shaft.
If out of specification, replace the accessory drive shaft.
Measure the inside diameter of the bearing bore in the accessory drive adapter housing.
If out of specification, replace the housing.
