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Show ! Motor Truck Tips I f ! Ftroken Fan. In case one blade of th"-fan th"-fan breaks off it is pojhle, to make an j emergency repair by removirg th blade) opposite the broken one. This balances ; the fan. and? though it reduces the flow' of air. the pnrt cm be used until a new. fan enn he installed. Cat .M'P'hsr Track Adju -f ?r en t "W'h n 1 one of the tracks of a ; r '-rpillar t r-ad , runs off the track roller1, as nee;, ior.;i by ; happen-. Tne bs! wav to cet it hack m : p ace is to loosen ihr ; r;o-k as m uch j as possihb-. jack- up tbe tractor on ihat i s'de urt il r he f'srz-s of i he ro'lers w i 1 1 j ,c!:ar the track a:;d then force the Uiik I back into place with bars. Sometimes it is possible to get the track back by doing- in reverse order the same thing that originally caused it to slip. Steering Gear Inspections. There is one inspection that the motor truck own- , er ought to insist on by his men every : day, and that is of tbe steering . system. The entire system should be examined i and undue slack that has developed should be taken up. Transportation Department. "Would there be any purpose in increasing the compression of a one-ton truck engine? It seems to lack power. J. M. Moriarty. The higher the compression the greater the power output for a given speed, as the initial pressure and the' speed of flame propagation throughout the mixture mix-ture is raised. As a general thing increased in-creased compression up to a certain point results in greater eft. eieney.. your question, ques-tion, however, is rather vague, and would seem to indicate tho need for remedying son io trouble rather tha n increasing the compression of the engine. Transportation Department. "What is the difference between ordinary truck transmission and the one used on a four-wheel-drive truck, such as the Jeffcry Quad V b. O. E. In the Quad (Nash, not Jeffery, now. by tbe way) transmission all tho gears except the reverse idler are in constant mesh. The speed cha nges, e veept reverse, re-verse, are eft'eelcd by means of sliding .law clutches ins.end 0f by sliding gears'. T1t sliding mi-tubers engnge wit h .in ws integral with the pears. Krom the spline shaft a silent clia in drives a. count er shaft, extending through the front and 1 rear gear boxes. |