TRACK DRIVE SPROCKET REPAIR AND REPLACEMENT (Sheet 3 of 9)
Using 1-1/2 inch socket with extension and handle, remove 10 nuts (A) securing sprocket and
hub assembly to final drive hub.
Throw nuts (A) away.
Thread special remover tool (Item 13, Chapter 3, Section I) tightly onto stud. Using sledge
hammer, strike remover tool to loosen tapered bushing (B) from final drive studs.
Remove tool. Remove bushing.
10. Do steps 8 and 9 to remove other nine hub tapered bushings (B). Replace bushings if needed.
If sprocket has been on hub for long period of time, it may be
necessary to strike it repeatedly with 20 pound sledge
hammer until it becomes unsealed from hub.
11. Using second person to assist, pull sprocket and hub assembly free of mounting place on tank.
12. Using hoist and sling, move sprocket and hub assembly away from tank.
Go on to Sheet 4