The operation and care of the combined harvester-thresher. Page: 1
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THE OPERATION AND CARE OF
THE COMBINED HARVESTER-THRESHER
By W. M. HURST, A.-witant Agricultural Engincer, Dirision of Agricultural
Engineering, Bureau of Public Road.CONTENTSPage Page
Introduction------------------------- ------ 1 Care of the combine-Continued
Power and Fuel -------------------- ---- 2 Belts and canvases---------------------- 8
Dry grain essential .----------- ..--- . 3 Housing--------------------------------- 8
Operation--------------------------.------. 3 Ordering repairs--------- ------------------- 9
Starting a new combine----------------- 3 Combine attachments---------------------- 9
Reel and platform .-------..-- ..---- -,. 3 Grain tank, wagon hitch, and sacking ntCylinder
and concaves------------------ 4 tachment------------------------------ 9
Separator ------------------------------ 6 Platform extension--- - ---- ----------- 10
Fan and sieves ---------------------- C-- Straw spreader and buncher------------- 11
Care of the combine------------------------- 7 Special sickle---------------------------- 11
Manufacturers' instructions ------------ 7 Self-feeder and straw stacker------------- 1t
Repairing--------------------.-------- - 7 Windrow harvester and pick-up--------- 12
Speed of moving parts------------------ 7 Transport truck-................-------- 14
Oiling........- ...-..-..........--..-- -- 8
INTRODUCTION
THE HARVESTING AND THRESHING of grain were considered
as separate and distinct operations until large-scale production
demanded rapid and more economical methods. A machine
was devised as early as 1828 for combining these operations, but was
considered impracticable. Similar machines were built and tried out
during later years but this method of harvesting did not become
established until about 1880. From this date until about 1920 the
use of the combined harvester-thresher, generally known as the combine,
was confined largely to the States along the Pacific coast
because it was believed that crop and weather conditions were unfavorable
to its use elsewhere. The use of the combine has increased
rapidly, and in 1928 it was used in practically all.States where grain is
grown extensively. From 1920 to 1928, inclusive, over 48.000 combines
were sold in the United States.
With the customary threshing rig much of the threshing has been
done by experienced operators who operated their machines primarily
for custom work. With the combine, farmers are operating their own
machines, thereby decreasing the cost of labor. In some cases the operators
are inexperienced and have had considerable trouble with their
machines. In many cases breakdowns and delays might have been
avoided if proper precautions had been taken. Frequently the combine
does a poor job of threshing and cleaning because the machine
is not properly adjusted.
I This bulletin is based on information secured in cooperation with the Bureau of Agricultural Economics,
Bureau of Plant Industry of the United States Department of Agriculture, and the agricultural experiment
stations of Texas, Oklahoma, Kansas, Nebraska. Montana, North Dakota, South Dakota, Minnesota,
Indiana, Illinois, Pennsylvania, and Virginia.
59973929 1
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Hurst, W. M. (Wilbur Magruder), 1898-. The operation and care of the combined harvester-thresher., book, October 1929; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc3423/m1/3/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.