Show LU TION 13 MOW ESSENTIAL highest grade and correct maintenance teri ance of it are necessary for smooth control NEED OF SIMPLE precautions choice of particular 0 1 Is for compe tent eng neer to make four basic factors affected by design of eng ne the correct lubrication of an automobile truck or tractor motor de fiends on the following three condi eions all ditl in the control of tl if e operator the use of lubricating oil of the highest quality the use of the correct gra ie le of this high quality oil to meet the engine operating condi conda eions exactly proper precautions to maintain tl e quality I 1 tl e lubricant while in ervice and to make adjust ments to insure its delivery in exactly the correct quantities to the friction surf ices failure of the o operator to gl gi the necessary attention to any one of these conditions mav may result in im paired performance the lubricant plais a vital part in insuring smooth regular operation and the amainte nance dance of power output at its maxi mum or iner ased operating costs repairs due to incorrect lubrication are frequent and costia cost also the use of the wrong oil or tl if e improper use of the correct oil tends to increase fuel consumption the number of forced stops and the rate of deprett atlon few simple precaution precautions with so much dependent on the cor lubrication of your engine it V would be unwise to neglect tie tl e few simple precautions necessary to in T ar sure tie tle very iery best of results 4 the choice of the correct oil for any particular engine Is a matter for IV a con detent engineer it involves tf tie e fol folio loving ving foar bisic lubricating fac tors affected by engine design first angine operating te tempera tu ture r e dei del en 1 Is prim mrily oil oft the sen ice fee or load ng of the engine the steady uninterrupted almost full load work of the tractor engine determines high temperatures as contrasted with the intermittent variable 1 ad work mork en countered by bv the trual or passenger car eng ne tl TI e engine size the capacity of the c oling and the fuel used are some of the other tea fea tures of design which hive a bear ing on oper op enting biting temperatures As all oil tends to lose body or thin out under heat we are naturally influx encee tow ard tle t e use of heavier boded bod ed 0 Is where operating tempera tures are ligh D str aution of 0 1 second oil distribution fhe ability of the lubrien ting sa system stern to d bute the oil to ill friction surfaces where the lu lubricant brieant Is cl el filed and thickened determines how fluid tl if e correct ol 01 must be in oti er words t Is feature of engine design is tt V e limiting ictor fictor f w with ith respect to oil b dy come ome lubricating systems are adapted for perfect circulation of ill oils froin from the I 1 eav est bodied to tl e lightest oti ers function best bet on oils of light or medium body the correct oil is of s ich body as to perfectly d bute through tl ti e system of aubr provided pro viled at all atmospheric temperatures likely to be encountered in service not all burn equally well third carbon formation not all I 1 alls are eq ally clean clein burning nr nc r are all engines enines eq jaila sensitive e to the I 1 baneful effects of carbon formation the correct 0 ol 01 I 1 w will ill be of such cl el ar acter as to minimize carbon formation and find tl e troubles which result from bud buel deposit seal for p ston ring the correct oil will be of ample body and correct chancier ha to seal sei t tle e i 1 ston lings of the 1 lilily idt ly ton on pressed aises on the compression and strokes such seeing is essential to conserve po ver inc increase in creise r eise fuel chonon v wd ind forestall excessive dilution of the il I 1 ith fuel lind and contain natla by nater and othel fore forean agn sib si distances stances f lamla the sub eject is an in intricate ore the subject t with wl WI ich ft it e ai average of 01 aerator Is at it 11 |