6 ROUGH-AND-TUMBLE EN 



something is tight; but don't take it t pieces. 



t i;et more pieces than you would kn\v \\hat to 

 do with. Oil the bearings freely and put your engine 

 in motion and run it carefully for a wh; ce if you 



don't find something getting warm, if you do, stop and 

 loosen up a very little and start it up .. i i" it still 



heats, loosen about the same as before, and you will find 

 that it will soon be all right. But remember to loosen 

 but very little at a time, for a box or journal will heat 

 from being too lose as quickly as from being too tight. 

 and you will make trouble for yourself, for inexperienced 

 as you are, you don't know whether it is too loose or 

 too tight, and if you have found a warm box, don't let 

 that box take all of your attention, but keep an eye on all 

 other bearings. Remember that we are not threshing 

 yet, we have just run the engine out of the shed (and 

 for the sake of the engine and the young engineer, we 

 hope that it did not stand out all winter) and are getting 

 in shape for a good fall's run. In the meantime, to find 

 out if anything heats, you can try your pumps, but to 

 help you alon^, we will suppose that your pump, or in- 

 jector, as the case may be, works all right. 



Now suppose that we go back where we started this 

 new engine that was slow to start with less than fifty 

 pounds, and when it did start, we watched it carefully 

 and found after oiling thoroughly that nothing heated 



