263 



FARM MACHINERY REPAIR 



when a two-row planter might be used equally well. In 

 selecting a piece of equipment of any sort, the following 

 points should be kept in mind : 



1) It should be the most satisfactory for the particular 

 work at hand. 



2) It should be easy to operate with least danger. 



3) It should be efficient. 



4) It should be capable of easy adjustment. 



FIG. 304-tt. Unprotected machinery. 



5) It should be designed so all parts are accessible and easily 

 replaced. 



6) It should be well built of good material to resist break- 

 age and wear. 



7) It should not cost too much. 

 Wasting Machinery Thru Ignorance. 



The lack of knowledge on the part of the operator has been 

 the cause of many failures with modern machines. This is 



