BI016382
BI016382
Replacement of wear parts_________________________________________ Crawler assembly The crawler assembly (Fig. 86) 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. The crawler assembly consists of the following main components: ■
hydraulic drive motor
■
tram drive torque hub
■
cat pad assembly
■
take-up roller assembly
■
grease take-up assembly
■
drive sprocket
Fig. 86: Crawler assembly main components Crawler pad assembly
Hydraulic motor (not shown)
Take-up roller assembly Take-up access
Torque hub access
Sprocket
________________________________________________________________ 5.114 FB110 Feeder Breaker
