TRACK DRIVE SPROCKET REPAIR AND REPLACEMENT (Sheet 5 of 9)
Using two other technicians, lift sprocket
(D) off hub (E).
Using chalk, mark sprocket (D) either
"INNER" or "OUTER" depending on where
it was mounted to hub (E).
Remove three jackscrews from sprocket
Replace bushings (F) if needed.
Using hammer and punch, drive
11 tapered bushings (F) out of
With help from one other technician, use pinchbar to set hub (E) so other sprocket
(G) faces up.
Repeat steps 14 thru 21 to remove other sprocket (G).
1. Inspect sprockets for wear by checking wear marks or by using wear gage.
2. Inspect all parts for damage. Replace any damaged or worn parts.
Go on to Sheet 6