STARTING MOTOR-ELECTRIC 5237861 - Caterpillar

(1) Track bushing diameters: Bushing outside diameter (new) ... 53.82 mm (2.119 in)Bushing outside diameter (minimum) ... 50.8 mm (2.00 in)Bushing inside diameter (new) ... 34.04 0.25 mm (1.340 .010 in)(2) Pin diameter (new) ... 33.38 0.05 mm (1.314 .002 in) Bushings are usually subject to three types of wear: forward drive side wear (A), radial wear (B) and reverse drive side wear (C). Measurements must be taken at these three different positions on the bushing. The measurement that shows the most wear of the three types should be used for replacement purposes. (3) Length of four sections: Bushing and pin length (new) ... 686.0 mm (27.01 in)Bushing and pin length (mid point) ... 692.0 mm (27.25 in)Bushing and pin length (maximum) ... 698.5 mm (27.50 in) Be sure the four link measurement does not include the master link.Track Links
(1) Track link height: Track Link height (new) ... 95.25 0.55 mm (3.750 .020 in)Track Link height (minimum) ... 87.5 mm (3.44 in)Track Pad (Grouser)
(1) Triple grouser track pad height: Track Pad height (new) ... 25.5 mm (1.00 in)Track Pad height (minimum) ... 11.5 mm (0.45 in) (1) Apply SAE 30W oil to bolt threads. Torque for bolts that hold track shoes to links ... 170 40 N m (120 30 lb ft) Then turn an additional ... 120° 5° Install nut so the radii on the corner is against the link.Distance from the center of one pin to the center of the next pin (pitch) ... 171.07 0.13 mm (6.735 .005 in)