Tools Required

J 45185 Bore Gage Set

1. Clean the rear internal gear and air dry.
2. Inspect the rear internal teeth for the following:

•

Chips

•

Cracks

•	Excessive wear

•	Metal debris embeded in teeth

3. Replace the rear internal gear if any of the above conditions are found.



4. Install the rear internal gear flange (547) in the rear internal gear (536).
5. Install the rear internal gear flange retaining ring (548).



6. Clean the rear sun gear (539) and air dry.
7. Inspect the rear sun gear teeth for the following:

•

Chips

•

Cracks

•	Excessive wear

•	Metal debris embeded in teeth

8. Inspect the rear sun gear bushing for scoring or excessive wear.
9. Using J 45185 and a micrometer measure the rear sun gear bushing inner diameter. Measure in three locations and take the average.

Specification
Rear sun gear bushing: 22.200 - 22.276 mm (0.874 - 0.877 in)

10. If the rear sun gear bushing is not within specifications or any of the above conditions are found, replace the rear sun gear.



11. Clean the front carrier assembly (542) and air dry. Ensure to remove all solvent in the pinion gears.
12. Inspect the front carrier assembly pinion teeth for the following conditions:

•

Chips

•

Cracks

•	Excessive wear

•	Metal debris embeded in teeth

13. Inspect for missing washers on both sides of the pinion gears.
14. Inspect the front carrier bushing for scoring or excessive wear.
15. Using J 45185 and a micrometer measure the front carrier bushing inner diameter. Measure in three locations and take the average.

Specification
Front carrier bushing: 30.00 - 30.076 mm (1.181 - 1.184 in)

16. If the front carrier bushing is not within specifications or any of the above conditions are found, replace the front carrier assembly.



17. Clean the front sun gear (544) and air dry.
18. Inspect the front sun gear teeth for the following conditions:

•

Chips

•

Cracks

•	Excessive wear

•	Metal debris embeded in teeth

19. Inspect the front sun gear shaft for excessive wear or scoring at the front carrier assembly bushing area.
20. Using J 45185 and a micrometer measure the rear sun gear bushing inner diameter. Measure in three locations and take the average.

Specification
Front sun gear bushing: 22.200 - 22.276 mm (0.874 - 0.877 in)

21. If the front sun gear bushing is not within specifications or any of the above conditions are found, replace the front sun gear.



22. Install the front sun gear (544) into the front carrier assembly (542).



23. Install the front sun gear retaining ring (541) into the groove of the front sun gear (544).