FARM SEPARATORS. 



157 



anything after the tread-power has once been purchased. The 

 power can be supplied by using different kinds of animals. 



FIG. 92. Showing how the internal bowl devices of Westphalia hand sepa- 

 rator are washed. (N. Y. Produce Review and American Creamery.) 



Sheep, goats, dogs, and bulls are used for this purpose. The 



process usually does not last very long, and it is not considered 



heavy work. Steam is good power, but 



it is hardly ever obtainable on the farm. 



Small gasoline-engines are also used very 



successfully. 



The machine should always run smoothly 

 in order to get efficient skimming. It should 

 never be stopped and started with a jerk. 

 Start it slowly and there will be less dan- 

 ger of breaking any of the gearing parts. 

 The bowl and inside parts should be kept 

 from rusting as described previously on 

 page 145. The bearings should be well FIG. 93 Davis hand 



. separator. 



oiled. It is a good plan to have an extra 



bearing or two on hand, so that if one happens to wear 



