BUCKET AS 2559970 - Caterpillar

Alignment Of Sprocket
1. The location of sprocket (3) is to be in the center of rear track roller (2). Distance (A) is to be the same as distance (B).2. The change in location of rear track roller (2) to sprocket (3) is made by installing or removing shims (1) of final drive support. Install shims (1) between retainer assembly and holder assembly of final drive to move the roller frame out to make distance (A) more. Remove shims (1) between retainer assembly and holder assembly of final drive to move the roller frame to make distance (A) less.3. Install or remove shims (1) in final drive support so that center of sprocket (3) is not more than 1.5 mm (.06 in.) from center of rear track roller (2).