BI001519
___________________________________________ Mechanical assemblies Head shaft assembly The feeder breaker is equipped with a head shaft (Fig. 33) located on the discharge end of the conveyor. The head shaft is driven from the left hand side via a hydraulic motor directly mounted to the head shaft. IMPORTANT! Weld on split sprockets are available for replacement/emergency rebuilds. See the Cat® parts manual for your machine or contact your Cat® service engineer.
Fig. 33: Head shaft main components
8 7 9
5
10
4 3 6 1
1. 2. 3. 4. 5.
2
Hydraulic motor Torque arm Coupling Bearing (2) Headshaft
6. 7. 8. 9. 10.
Head shaft filler, left hand Key (2) Sprocket (2) Head shaft filler, right hand Sprocket guard (2)
______________________________________________________________ A6474X435 REV 2 5.47