S H_WHIG THE DAILY BRITI MOBIL i -------------- -- eer ime + N THE AUTO w= = ER = »~ "i wt p "ALBERT L.CLOUGH. The Air Cleaner Keeping Grit Out Of The Engine's "Vitals" THIS SEASON, for the first time, passenger cars fitted with meat for removing dust from the carburetorair are being offered. Alr cleaners have been in universal use on tractors almost since the beginning of their manufacture, as they have been found to be prac tically a necessity and they have been used to some extent on trucks While the passenger car.and even the truck are exposed to very little {dust-laden air, as pompared with the tractor, which operaies almost constantly in a. cloud of dust, there is enough' grit floating in the air their carburetors "breathe" to act detrimentally, especially when unim- proved, loosesurfaced roads and winds are encountered. Attention was first called to the dust that entered motor car engines by the disclosure, through chemical analysis of large preportions of silica (sand) In their rbon deposits, which could be accounted for only as being drawn in { ith the air. The filtration of long-used engine oil also discloses con- siderable amounts of fine sand, if the car has been much driven in dusty alr. Sand is, of course, an active abrasive or cutting material like emery and its presence in the ofl results in excessive wear of bearings, cylinders and pistons. On tractors, the practice is to Svash the dust out of the carburetor air, by passing it through water, but the application of this method on passenger cars seems hardly warranted. Instead, by suitable provisions at the intake, the air may be made to deposit most of its dust before entering the carburetor in a compart- ment from which it can readily be cléaged out. Glving the. air a whirling movement, which causes the separation of dust particles, by centrifugal action, into a cleanable receiver is one method that is being tried. Every known expedient for the prolongation of engine life is being resorted to by engineers and air cleaning is one of these, along with more liberal bearing surfaces, better lubrication systems and superior materials. CAR STARTS JERKILY You may pay move but pgm likes to go to work with your motor ~ more work for ever; make sure that all parts are | well Jubricated, and that all hold- { Ing devices are tight. --- NOISY VALVE W. J. W. writes: = Whenever I start my -- -- car there is a sort of jerk as though the whole rear end were loose. I took down the universal joint, and since putting It back there is a pronounced grinding or humming. What do you think the causes of these troubles are, and how can they be remedied? : » t We cannot give you anything very definite in way of reply, but we should suspect either that the clutch worked very harsh- ly, or that thers was cansiderable lost motion somewhere in the transmission line between the en- gine and the driving wheel. When this latter condition prevails there is almost certain to B® a severe Jerk in starting the car from rest. Lost motion may be in the univer- sal joints, the transmission, main driving gears or rear wheel mount- dings. We suggest that you assure yourself that your clutch is work-! | M. writes: Ever since I | receiyéd my car one valve has | gives trouble by making a loud | tapping sound. I have made every adjustment that I can think of, but this one valve still remains noisy. - My garage mechanic clalms i that this sound is caused by either { a sharp or a defective cam, and | the only remedy is a new cam- shaft. Do you think this is the { case, or can you suggest some other | possible explanation? | Answer: . It may be that there is a cam with a defective outline, but this Is unusual as great care is ; taken in machining these shafts. ! You will, of course, have to remove the shaft in order to ascertaln | whether there is anything wrong * | about it, unless possibly you can { get a look at it from underneath. Other possibilities which perhaps you have already considered are | . Hess money | ing gently, and that you look for the following; play in the cam- lost motion in the different ele- | ghaft bearing next to the noisy ments of the transmission line, cor- | valve; looseness of the cam-fol- recting such as exists. As to the Jower in its guide; a badly formed grinding sound, this most common- end or loose roller in connection ly arises from incorrect meshing of | with this camsfollower; looseness the final drive gears, but.we do! of the valve in question, In its not see how this could have been guide; looseness of = the clamp disarranged by ahy work that you! which secures the cam-follower did on the car In connection with | unit in the crankcase; lack of true- removing the universal joint. You | ness of the end of the valve stem hau better verify the mesh, how- or the cam-follower. Repairs By Welding Processes #¢ Is The Bilent Accountant Of Service Rendered WHEN MOTOR PARTS BREAK or even when they wear: out the Scetylens welder should not be ignored as a possible help In time of trouble. The capabilities of his art are very remarkable and not fully Rein sym the subject attention, but of ns. & part falls, which Is expensive Which can only be obtained after a long delay, its repair lng is always worthy of consideration and any welder, who has ness future in mind, will honestly tell the motorist whd shows broken part whether its repair by his methods will prove success d & paying operation. Fixed, rather than moving parts are, in L. the most successfully welded. In many instances, parts which WOT 80 as to be uselessfy small in certain dimensions can be by the autogenous process, and then machined down te their ly replacements thus being avoided. In the and application of the localized heat, required in the of motor car parts, the oxyacetylene torch is most effective, but it should always be remembered that the heat-treated metal of axles and other vital structural parts is affected as to its strength and rigidity discarding an expensive broken part, let the welder 2 JA go hd VPI Las 4 = FEF ZF LEED EE SO UE: Bar a Te) ER al A eS ae INE years ago Imperial Oil Limited served its customers throughout the Dominion from its one refinery at Sarnia, Ontario. To-dayZa great oil refining system . stretches across the continent from Atlantic to Pacific. Five additional plants, located at Halifax, Montreal, Regina, Calgary, and loco, B.C., now manufacture petroleum products for distinct sections of the country--and supply them more adequately, more quickly and at' lower costs for trans- portation. oferty because of some tention : . | At each of these modern refineries- the fereiiy. un the enxine supports are same methods apply. Highly trained about the I ur of (aaything petroleum chemists constantly check ot balance, Severs vibration is al- every process of manufacture. Begin- may the whole car shakes, you ine ning with a thorough analysis of each w . "» 2 . fina that "He ani Jou may crude petroleum 'batch before it enters steering sear; some lost motion in the stills this supervision continues until front wheels, If you coud ice ne the final rigid tests have qublified the different products for consumer use. The experience gf 50 years refining prac- tice governs all operations and the standards of quality at one plant are more detalls as to just how the car acts, we could answer you much more intelligently. etl De sured am Your desler foo INOS ae . Tt combines all that is al to a good Battery -- POWER, RELIABILITY, DURABILITY. i: 2 % Ee MADE IN KINGSTON BY X E i; ; 5 $