TERMINAL-RING 4574020 - Caterpillar

For instruction on reusability, see Guidelines for Reusable Parts; Sealed and Lubricated Track, Form No. SEBF8022.Track press assembly force ... 260 26 kN (59 000 5900 lb.)(1) Torque for bolts that hold the half links together. (Use 5P3931 Anti-Seize Compound on bolt threads) ... 90 20 N m (65 15 lb ft) Then turn an additional 180°.(2) Torque for bolts that hold track shoes to link. Use SAE 30W oil on bolt threads ... 90 20 N m (65 15 lb ft) Then turn an additional 120°. Install nut so the radii on the corner is against the link.(3) Distance from the center of one pin to the center of the next pin (pitch) ... 155.58 0.13 mm (6.125 .005 in)(4) Distance from face of link, to end of bushing ... 1.02 0.25 mm (.040 .010 in)(5) Thickness of thrust ring (new) ... 8.35 0.08 mm (.329 .003 in)(6) Diameter of bushing (new) ... 50.0 0.3 mm (1.97 .01 in)(7) Maximum permissible end clearance (end play) in joint ... 0.20 mm (.008 in)Track Adjustment
Illustration 1
Track in Full Tight Position
Illustration 2
Front Idler Moved Back
Illustration 3
Correct Track Adjustment
Never visually inspect the vent holes or valves to see if grease or oil is coming out of them. Make sure the vent holes are clean before the tension is released on the track. Watch the cylinder to see that it moves.
(1), (2) Torque for the valves ... 35 7 N m (25 5 lb ft)Do not make a track adjustment if the dimension (A) between the rear face of the yoke and the