Disassembly

DRIVE PINION

Disassembly

1.Remove electric controlled couplings. Disassembly.
2.Remove center stem assembly. Disassembly.





3.Remove drive pinion lock nut with the flange wrench (A) (Commercial service tool).





4.Put matching mark (A) on the end of drive pinion. The matching mark should be in line with the matching mark (B) on companion flange (1).

CAUTION:
For matching mark, use paint. Never damage companion flange and drive pinion.
NOTE:
The matching mark on the final drive companion flange indicates the maximum vertical runout position.
When replacing companion flange, matching mark is not necessary.





5.Remove companion flange using the puller (A) (Commercial service tool).





6.Press drive pinion assembly out of gear carrier.

CAUTION:
Never drop drive pinion assembly.
7.Remove front oil seal.
8.Remove inner race of pinion bearing (front).
9.Remove collapsible spacer.





10.Remove inner race of pinion bearing (rear) and drive pinion adjusting shim with the replacer (A) (Commercial service tool).
11.Remove drive pinion adjusting shim.





12.Tap the outer races of pinion bearing (front and rear) uniformly using the brass rod or equivalent to remove them.

CAUTION:
Never damage gear carrier.
13.Perform inspection after disassembly. Inspection.