146 FARM MACHINERY 



the principal thing to be considered in order to secure 

 the greatest convenience in watching the twine, and also 

 in adding new balls. 



194. Reel (5). Convenience and strength are the prin- 

 cipal things to be considered in a selection of a reel. It 

 should have the greatest range of adjustment and permit 

 this adjustment to be made easily. The making of a good 

 bundle and the handling of lodged grain depend largely 

 upon the manipulation of the reel. This may mean that 

 the reel must be adjusted several times during a single 

 round of a field. 



The reel slats or fans should be adjusted to clear the 

 dividers equally at each end, and also to travel parallel 

 to the cutter bar. 



195. Grain dividers (6). It is an advantage to have the 

 outside divider adjustable not only for different-sized 

 grain, but also for making the machine narrow when 

 mounted upon the transport trucks. 



196. Grain wheel (7). The weak pointof the grain wheel 

 is the bearing, and it is often necessary to replace the 

 axle and boxings several times during the life of a 

 machine. In order to prolong the life of the grain-wheel 

 axle, it is made, by some manufacturers, with a roller 

 bearing. 



197. Elevators (8). The elevator should extend well to 

 the front of the platform in order that the grain may not 

 be hindered in the least in starting upon its path up the 

 elevator. The guides should be hollowed out slightly on 

 the side next the grain, giving the canvases a chance to 

 expand and not drag heavily upon the guides. It is also 

 an advantage to have the lower end of the upper guide 

 flexible in order that it may pass over extra large bunches 

 of grain. The open elevator, permitting the handling of 

 long grain, as rye, is now almost universally adopted. 



