FARM MOTORS 



Fig. 331 shows the main bearing A, which is a part of 

 the frame, also the bearing B, which is commonly known 

 as the pillow block bearing. These bearings are both 

 riveted to the boiler. 



587. Clutch. When the separator is being driven by 

 the engine the traction part must not move. Conse- 

 quently, there must be some method for throwing the 

 power from the drive wheel which drives the pulley to 

 the transmission gearing that runs the traction part of 

 the engine. The device for transferring the power is a 

 clutch generally located on the engine shaft. It acts 

 upon the belt wheel of the engine. Fig. 332 shows a sim- 



FIG. 332 CLUTCH 



pie clutch in parts. A is the belt wheel upon which trav- 

 els the belt that drives the separator. It is fixed to the 

 engine shaft so that whenever the engine moves this 

 wheel moves also. The clutch blocks and arms are seen 

 at D, and the pinion is engaged with the transmission 

 gearing at C. This part of the mechanism is not fixed to 

 the shaft, and revolves with_ it only when the clutch is 



