Disassembly

TRAC LOK Differential / Rear Axle - 9 1/4 inch







DISASSEMBLY
1. Clamp side gear Fixture 8138 in a vise and set differential case on the Fixture (Fig. 40).
2. Remove ring gear if the ring gear is to be replaced. The Trac-Lok differential can be serviced with the ring gear installed.







3. Remove pinion gear mate shaft lock screw (Fig. 41).
4. Remove pinion gear mate shaft with a drift and hammer.







5. Install Discs 81440 without threaded hole in the lower side gear (Fig. 42).
6. Install Threaded Disc 8140 in the upper side gear. Thread Forcing Screw 6960-4 into threaded disc until it becomes centered in other disc.







7. Insert a screw driver in slot of threaded disc (Fig. 43) to prevent disc from turning.







8. Tighten forcing screw to 122 Nm (90 ft. lbs.) maximum to compress Belleville springs in clutch packs (Fig. 44).







9. With a feeler gauge remove thrust washers from behind the pinion gears (Fig. 45).







10. Insert Turning Bar 6960-2 into the pinion mate shaft hole in the case (Fig. 46).
11. Loosen the Forcing Screw in small increments until the clutch pack tension is relieved and the differential case can be turned using Turning Bar.
12. Rotate differential case until the pinion gears can be removed.
13. Remove pinion gears from differential case.
14. Remove Forcing Screw, Step Plate and Threaded Adapter.






15. Remove top side gear, clutch pack retainer and clutch pack. Keep plates in order during removal (Fig. 47).
16. Remove differential case from the fixture. Remove side gear, clutch pack retainer and clutch pack. Keep plates in order during removal.