BI001519
________________________________________ Replacement of wear parts Crawler assembly The crawler assembly (Fig. 77) consists of a take-up assembly and drive assembly that transmits torque to the crawler track via a hydraulic drive motor coupled to the tram drive torque hub. As soon as any component of the drive assembly is worn or damaged, the component must be replaced. Fig. 77: Crawler assembly main components
1
2 4
3
5
1. 2. 3. 4. 5.
Crawler track Take-up roller assembly Grease take-up (located behind cover) Torque hub Hydraulic motor
______________________________________________________________ A6474X435 REV 2 5.121