| Show w- w MOTORING MOTORING PR r H. H STEWART JR president W WILLIAM V V t tint dent nt of oC tim the Stewart Automobile company of oC Now ow York and a ft authority on construction constriction upkeep upkeep up up- keep and operation of at automobiles gives cs helpful answers to motorists In Ineer er e every Sunday 1 Issue of oC Tho herald herald- Republican It If In a quandary over operation op op- op- op of your car address your question question ques ques- tion to Motoring Department Tb The R Republican herald anI and Mr Stewart will give gle his expert a advice alce In the following fol fol- lowing lovIng Sunday Issue heue of at The herald herald- Copyright b by W W. II Stewart 1 Motoring Department The Herald Herald- Republican Will you kind kindly lot me know some somo wa way In which I can enn stop tho the connections In tho gasoline pipes from taking No matter ho how tight those may be ue the gasoline seems to leak through R. R. R S S. Tho The ground bevel Joint In tho the conneCtions connections must be bo burred or otherwise im- im permit ouch Duch leaks If It not this then tho the connections are arc not securely soldered Bolder d on the ends of ot the pho line Th Tho nuts at nt Joints should when tight make these Joints ga gas tight Very often otten In making those connections ordinary or- or washing soan ar or gum rum arabic arable Is used to prevent slight leaks lenks If It the connections connections connections con con- aro properly fitted however neither of ot these substances s should bo be necessary Would suggest that you ou In Inspect Inspect inspect In- In tho the gas ras lines thoroughly for or an any crack or slight opening at the points where the tho connections are made t Motoring Department The Herald- Herald Republican I am wondering wh why m my differential makes such a noise when I IGO Igo Igo go about fifteen miles an hour If It I go gounder gounder gounder under fifteen It doesn't grind and crack and over O eighteen miles It goes smooth and fine But such a racket between fifteen and amI eighteen It eighteen It Is disgusting Repairers say It cannot bo be stopped b by adjusting The They say It Is adjusted correctly cor cor- now and If It gears were loosened or let out so It would not be noisy tho the teeth would break off au My 11 car Is a 1910 IMO touring car Would like to see what you ou have to sn say about relief A A. A C. C If It driving bevels aro are adjusted right and still make a n noise the they must be he badly badh worn The noise perhaps may maJ bo ho lessened some b by using usang a heavier grease Perhaps some of at the bearings need replacing One defective bt bearing th tho trouble Would SUg- SUg gest e that the differential I unit b b be disassembled disassembled and a careful Inspection made malle of ot all the parts fc Motoring Department The Heral Herald Herald- Rep Republican Will you ou tell mo mc what Is meant by fixed nozzle M M. M ME ESome B. B Some Soma carburetors have a n valve val by which It Is possible to change chango the size aizo of the tho hole halo through which tho gasolIne gasoline gaso- gaso lIne Inc ent enters rs the mixing chamber at the top of the spray A fixed nozzle carburetor has no such a adjustment an anIn andIn and In n order to change the nature of the mixture th the th amount of ot air all entering the carburetor must be bo regulated Cutting down on the air M will Increase the tho vacuum vacuum vac vac- and cause tho the mixture to be bo richer richerD D B By allowing more air to enter the ml mix mix- turn fUrR win In hr hi an r In character u Motoring Department Tho The Herald- Herald Republican Some Republican Some time ago ngo I purchased a used car which Is Is' equipped quipped with wit the cono cone type clutch The Tho car has been giving good service and In fact Is running running running run run- ning well now The Tho only trouble I am having ha Is that when tho the clutch Is disengaged disengaged disengaged dis dis- engaged there Is n. n disagreeable squeak which sounds like a 1 dry bearing When the he clutch Is engaged this noise Is not noticeable I have tried to locate the cause of this but so eo far have ha failed I am not very familiar with tho construction con con- construction and write write- this letter to be bo further advised r f do not think It Is IB serious but nG nevertheless would like to know lenow enow what the cau cause e Is F. F A A. At the center centor of f the clutch thero Is usually a bearing which fits over tho end enl of ol the extended crank shaft This b rearing bearing servos serves to support and center centor tho the clutch When tho the clutch Is en engaged engaged ensa en- en sa ed tho the crank shaft n fly wheel and clutch turn as a unit When the clutch Is IR s disengaged the bearing above mentioned men- men Is called caned Into action A close Inspection should reveal grease greaso cup or plug where lubricant to this bearing can cnn bo be admitted The bearing has Undoubtedly undoubted undoubtedly un un- doubted become dr dry anI and Is causing the squeak c Motoring Department The Tho Horald- Horald I Republican I have just lust bought a n used car and tho the brake brako bands do not hold very ery well I examined them and found that the tho brake bands and tho the drums are two and antI a half halt Inches wide but the lining on tho the bands Is only one and a half halt Inches wide I think hink this Is where here the trouble is I havo found out I can get Ret the same make males of lining two and one half Inches wide and I am thinking of ot putting somo some on on but as that already on tho the bands Is In Quito quite good condition I dont don't want to go to tho the trouble and expense of altering If I am not going to geta Reta get Ret a a. a good Increase of at power from the brakes Will I gain anything b by putting putting putting put put- ting on the wide linin lining and about what proportion of ot extra power If It will not be much I will lot the others wear out first What Is the cause of ot engine firing back sometimes In carburetor N- N N. N S. S The Tho brakes should always bo he kept In first class condition It Is poor economy to save nave the cost of ot now brake lining and take a chance chanco of ot an acci acci- dent Would sUI suggest est that you without without without with with- out d delay Install the proper size sizo brake lining Tho The diameter of at the brake brako drum as ns well as ns the width of ot tho the friction fric fric- tion surface determine the efficiency By using tho the proper size lining your our brakes brake should much bettor better results Thero There are aro a lL great many different things which may y cause firing back In the carburetor A stick sticky Intake valve or a lean mixture or water In the gasoline are are th the tho most frequent causes ir u trie tue intake valves vahee do not seat properly firing back-firing will result C X Motoring Department Tho The Herald Herald- I Republican I have a a. 13 touring car the tho motor of ot which has hns clicked for tor some time This Thin motor was recent recently overhauled In one ono of the best beat local garages and this click wits was not lo lo- lo It apparently comes from the cam shaft Ahart or some nome part of ot the Valve alve mechanism but the stems atoms were adjusted adjusted ad- ad lusted bearings bearing's taken up and no Uneven Uneven un Un- Un even spots wore found on cams or tappets tap tap- pets where these parts meet moet Tho The motOr motor mo mo- tor runs well at high h or low speed In fact the does doe not Interfere with the running of ot engine In any wa way simply making this annoying clicking sound As all nIl four tour cylinders hit It does not seem to be faulty Ignition By retarding the spark lover level the click disappears but motor will overheat o and loses a good doal of ot Its Ita pulling power with Ith lover l In this tion Lon D By Dy advancing spark p rk to nearly the full distance t the tho l motor will take hold and ha has haa plenty of power It will wm not overheat with spark well al ad ad- but na AU soon as lever passes passe half advance It starts to click Would Woula this Indicate that the motor Is strained 7 II ILC C. C Have the tho timing of tho spark In each cach cylinder checked It ls Is Important that tho the occur In r arh eath VI I T. T n A tho same period In tha tho of I the piston Examine tho the a advance and retard mechanism when tho the spark lever u IH Is advanced nned more thin half halt way to w see that no part is lIS Interfering with au any moving purl part when whon In that position son It Is hardly probable that the motor In is strained as you OU suggest f C Motoring Department The Herald Herald- Republican Kindly Kindly Inform mo ma what can be done to a a. cylinder that la Js pitted on the inside or cylinder bore The wall all appears to have been eaten through h h by the water If It there thera Is any wa way of repairing this would deem em It a great favor tavor If It you ou toU would answer b by r return turn m mall mali M. M E. E The condition you refer to Isper ex exI ex- ex and und there Is 18 no way that I would again make the surface of ot the cylinder As s you ou say nay the I corroding effect extends through the H f f HINT II t tA A A 9 Considerable erable IJ hard work worle can bo be it t avoided on tho the road If It tho thin tire tiro 4 rims are treated occasionally with f 4 a n little shellac and graphite 4 Aluminum paint Is also good to prevent ent tho the bead of ot tho tire tiro from rusting on the thc rim It Is a n difficult 4 cult matter to remove remo the tue casing easing 4 from a rim when It has become t 4 rusted f 44 4 4 The Tho use of kerosene for tor cleaning out carbon from tho the cylinders era of ot ofa 44 4 4 a n motor Is IH a zt good thing but If Iff f I. I f- f carried to excess moro mon or 01 less lell 4 f trouble Is apt to toll follow ow Too much f ff f kerosene will cut out all lubrica- lubrica 44 4 4 tion and andel considerably el very Impair 4 compression The Tho oil left ct In the 44 4 4 cylinders will mix with the gas- gas 4 oine and ond Inn mn may tend to make Ig- Ig f- f nillon difficult and starting very Yen f 4 hard barth Further tho the burning I kerosene kero- kero ero- ero sene Is likely to produce deposits i 4 of ot carbon leaving baying the engine almost almost al- al most as aR bad perhaps as ns It was as f 4 before the tr treatment was applied f ff f 4 fA A tablespoonful tablespoon CuI or two to each f 4 4 cylinder according to the sizo Izo of ot the motor motor- should be plenty plenta and d 4 t 4 tIt It should or of course bo Do put in Ill 4 P. 4 when hen tho the motor Is hot Just after 4 a run f C C 4 44 4 On all nIl cars having the rear 4 f wheels secured to o tapered shafts 4 44 1 4 care should be taken taleen to see flee that 4 44 4 the hubs arc are l kept ept wedged weds up up 4 44 f 4 tightly on the taper end of the 4 4 axle shafts b by means of ot the nuts 4 4 Once a n month the tho rear hub caps 4 4 should hould be taken off and tho the lock 4 4 nuts moved mo up a as snugly as nit possible pos pos- 4 4 sible without t injuring the threads 4 4 If Ie this Is not done the hub will 44 4 4 work worle loose on the shaft and by 4 4 rubbing against the kc key will certainly 4 spread the In a at t 4 comparatively ely short time t There can bo no doubt that the 4 f- f brakes of or a motor car are arc the most 44 4 4 Important parts of or It In case of at 44 4 4 emergency although despite this 44 4 4 fact comparatively little attention 4 4 Is paid to them b by the average a 4 4 person In a great t Inan many cases 4 4 thc they arc not touched from one olle season sea sea- 44 4 4 son s R en end 1 to the next when exact exact- 4 41 4 t- tI I ly 1 tho the reverse o J ought hl to be tho the 4 4 case Thc They should be 4 L A n n 1 A A K k in V 1 L Vi V v t-fc t T 4 I shows h tho slightest l t Inclination ln l n t to 44 4 44 4 continue on Its course against the tho 44 4 4 will of oC the driver as evidenced 44 4 4 b by a firm pressure on the tho brake 4 t pedal Most cars arc aro so 80 cont con- con t 4 4 that It is quite simple to f 4 take lake UI up for tor brake wear and In the f 4 majority t of at cases the work worle does docs 44 4 f 4 not necessitate the soiling of the 44 4 4 operators operator's hands 4 4 4 t Frequent adjustment of oC the tho 44 4 4 spark plug points will often otten oh- oh 44 4 4 a disagreeable miss In the 44 4 t 4 motor when driving If It a plug Is 4 foul or tho points too loo far apart a 44 4 4 1111 miss s Is bound to result Very Yen often otten 4 tho the carburetor or magneto noto is 4 blamed when tho the source of ot trou- trou 4 t blo bio really lies at tho the plug 44 4 4 4 4 H tt MM MM tt ff cylinder wall It would bo useless Lo fo o ro- ro grind tho the cylinder Motoring Department The Herald Herald- Republican Several Republican Several y years ago I was asked to install n new T dr dry batteries In a aFord aFord aFord Ford car There wore were twelve coils cells In all connected In two sets sots of ot six In series Berles anI and arranged so BO that the two sets could bo be used alternately b by throwing throwIng throwIng throw- throw Ing the switch on tho the coil can box I 1 had always been In tho the habit of thinking of ot tho the zinc polo of at tho battery battery battory bat bat- tery tory as na being positive although I knew that this referred to the tho Internal Internal internal inter Inter- nal circuit of or tho the battery batter on only the carboa carbon carbon car car- bon boa being positive to the external circuit circuit circuit cir cir- cir cir- So In connecting up tho new cells I Joined the tho two end carbons of ot tho the sets together and grounded same earno to frame of ot machines The Tho result was that tho batteries were exhausted In a couple of oC weeks while formerly they had always mated lasted th the e owner several se months A second time I installed new now batteries connected connect connect- ed with the carbon grounded and with tho tim same sume result The third time I Joined the end zincs amen of ot the two sets seta and grounded same running tho the carbons to the switch and th the batteries last lasted cd their normal life liCe Thoro did not seem to be bo nn any leakage leakage leak leak- age due to Insulation weakness but there ma may have ha been as I know that In testing cables sa say In telephone I work ork I that certain faults ta will become apparent on 01 side of or tho the testing battery IB is grounded and which Is applied to tho the con con- ductor Will Ill bo be grateful for tor an any Information information tion you OU mu mit muy have havo on this subject as asI asI asI I have ha often thought of at It and the real solution Is a little hazy In my own mind yet et W. W J. J S S. S To get the maximum life lito from twelve e cells cane the they t should hould bo be wired d In multiple multiple- that Is two groups of six each wired In series Berles with the two en end carbons positive positive p tive the wl wired d In parallel and tho the two end zincs ames negative also wired In parallel Either tho the positive or the negative e could bo boo grounded Wiring In this wn way would allow of ot only one wire from batter battery to switch By Dy wiring either the positive o or the negative to tho the switch would determine tho the direction In iii which the current passed through tho the coil coll In doing so so the amperage consumption is affected by the condition of tho the vibrator vi vibrator vibrator vi- vi brator points When hen Installing a a. sot act of dry coils cells care should be bo tale taken on that none nono of the negative terminals come comeIn comeIn comein In contact with the tho metal of ot the battory battery battery bat bat- tery tory box fc Motoring Department The Herald Herald- Republican n Kindly advise mo mo how ho to remedy the trouble I havo o a 1 car with u I used to get set ten miles to tho the gallon allon |