CHAPTER XII. 

 THE BELTING OF A SEPARATOR. 



, HE Belting of the separator should be care- 

 fully looked after, as the working of the 

 machine depends in a large measure upon 

 the condition of the belts. The pulleys must 

 be in line, to insure the belt running on them 

 to its full width. Where the shafts are par- 

 allel a belt will always run to the tightest 

 place or where the pulleys are largest. For this reason, all 

 pulleys on the separator are made larger in the middle 

 "crowning" as it is called, so belts will tend to run in the 

 center. 



The separator tender should look over the belts once 

 each day and re-lace any on which the lacing has become 

 worn. This will prevent the necessity of stopping to repair 

 a belt when the machine should be running. Some thresher- 

 men, realizing the expense of delays, carry an extra set, so 

 that in case anything happens to any belt in use, the extra 

 one may be put on and the work immediately continued. 

 If it starts to rain while threshing, the separator should be 

 stopped at once, and the belts, especially the leather ones, 

 put under cover before they get wet. The machine will run 

 only a few minutes in the rain before the belts begin to slip 



