Show IN STARTING RING COLD GOLD WEATHER t ot valve vahe as ns the engine Is ant anu he she priming will not serve Its pur pur- pose Heat Must Be Applied In very cold weather however primIn primIng priming prim- prim In Ing with ordinary commercial gasoline will sometimes be he Insufficient and heat must be applied by some means In order to produce vaporization of the tho fuel unless a more volatile fuel Is used for priming A ver very satisfactory wa way to apply heat Is to put pit some hot water into the cooling ng s system stem thus this warming the th cylinders and assisting In vaporizing ing the gasoline that Is drawn In with the charge or Injected as priming In Inthis Inthis Inthis this case also the engine should be allowed to stand a few minutes to per wIt rot the gasoline to vaporize It Is not necessary that the time entire cooling I tern tern tem be filled with hot water I If f nough enough is used to heat the c cylinders so the engine will start c cold ld water ma may then be added until the radiator is full This method of co course course Ulse willbe willbe will willbe be practicable only with small or me- me I sized engines with s some me of the larger sizes of tractors the amount of hot water usually available will have little effect used In this way If It only a little hot water Is available available avail avail- able It ma may be more effective If poured slowly over the Intake manifold and the carburetor as ns well If the time carburetor rotor Is covered ered so no water can enter it A very effective way of heating the Intake manifold Is to wrap a cloth around It and pour the hot water over the cloth or lip dip the time cloth In hot water I and then wrap It around the time manifold I. I If the manifold can be heated It will warm the air all that touches It as It enters enters en n tel'S the engine this tills warm air will cause the gasoline spray which It carrIes carries carries car car- ries to vaporize As a greater proportion proportion proportion pro pro- portion of the time air all p passing through h T m 1 small pipe comes in contact with the tho walls of the pipe than In the case of ofa a large one this method works best with engines having a comparatively small manifold When depending u upon mon on heat icat from the manifold to warm the theair theair theall air all the engine should be cranked fairly fair fair- ly iy y rapidly so as not to allow the warmed mixture to remain long In contact with the cold walls of the combustion combustion com- com bustion chamber and so cause the time Vapor vapor vapor va va- va por to condense Into Int liquid again Open Flame Flame Not Favored The use of an open flame around a n agas agas gas engine at ordinary temperatures temperatures- Is s not to be recommended on account acco of the possibility of fire It always alwa's Introduces introduces In- In an element of danger One of the time most effective meth methods s q of starting a c ct cold ld engine find aid one au au- u- u Flut y df Is 19 to remove the s spark ark plUg 01 or Igniter block blode and heat It in ina ina a l fire file or in the flame fiame of a blowtorch prime the ULe engine and antI then quickly replace replace replace re re- re- re place the spark plug The charge Is almost sure to ignite A drop or two of gasoline put on the Inside of the time plug Just before replacing It Insures the presence of vaporized fuel near the spark when the engine Is cranked Where for any reason It Is impracticable Impracticable or Inadvisable to apply heat In any of the wa ways s 's Indicated It may be possible to heat a piece of metal pipe the size of the time air all intake of the time car car- then place tills this so all the air entering the time carburetor must pass pas through It This Is nearl nearly as fiS effective as ns a heated manifold Such a pipe Ipe Ipema may ma be made red-hot red If desired Provide Volatile Fu Fuel l. l Another means of starting engines In cold collI weather which Is practiced to toa toa toa a considerable extent Is to provide some very volatile fuel fuel- with which to prime prune It It ether or or 01 test high gasoline being perhaps most commonly use mel As these will vaporize at lower temperatures temperatures temper temper- than ordinary commercial gasoline gasoline gasoline gas gas- oline they make It easier to obtain a combustible ml mixture ture In using ether care must be exercised not to use too much as dangerous pressures may ho he h created because of the time rapidity with which It burns bums In man many cases It is Iq s mixed with about equal parts of gaso line There Is no danger In the time use of the time test high gasoline I |