36. Ground Sleeve Inspection

Ground Sleeve Inspection





Important:
^ Replace the needle bearing if the bearing is damaged.
^ The only time the ground sleeve is pressed from the front support is to replace the ground sleeve.
^ The new ground sleeve comes with a pre-installed bushing.
^ The bearing must be removed to replace the ground sleeve. If the ground sleeve and the bearing both need replacing, replace the ground sleeve first.
Replace the ground sleeve if it does not meet specifications.

1. Inspect the splines of ground sleeve (1) for damage and wear. No visible wear is allowed.





Important: The ground sleeve bushing and bearing are replaced with the ground sleeve installed in the front support.

2. Measure the Inside Diameter (ID) of ground sleeve (2) at dimension A, the turbine shaft seal ring bore.

Important: Replace the ground sleeve if the ground sleeve splines or seal ring bore specification is not met.

Ground Sleeve ID
Maximum ID is 45.450 mm (1.789 inch)

Important: Replace the bushing if the bushing is damaged or the ID specification is not met.

3. Measure the ID of ground sleeve bushing (1) at dimension B.

Ground Sleeve Bushing ID
Maximum ID is 33.820 mm (1.3315 inch).