PUMP & MTG GP-PROPEL 2853592 - Caterpillar

Illustration 1. Alignment of the grooves should be measured when the bottom of the stick is a horizontal line.
Illustration 2. Section A-A in Illustration 1. Position of the thrust grooves (C) for boom-to-stick bores when you view the stick from the right side on 350 and 375 Excavators. (D) Install bearing 9.5 0.8 mm (.37 .03 in) from the outside of the boss, two places.Illustration 2 shows the correct position for the thrust grooves of the bearings in the boom-to-stick bore as it is viewed from the right side of the stick.
Illustration 3. Section B-B in Illustration 1. Position of the thrust grooves (E) for bucket-to-stick bores when you view the stick from the right side. (F) Install bearing 7.5 0.8 mm (.30 .03 in) from the outside of the boss, two places.Illustration 3 shows the correct position for the thrust grooves of the bearings in the bucket-to-stick bore as the stick is viewed from the right side.
Also, be sure grooves (E) are located toward the inside of the boss when the bearings are installed in the bucket-to-stick bores.