The Coconino sun., 1919-06-27
THINGS TO WORRY ABOUT
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Trouble is frequently experienced in cutting the vent for muffler cut out. A V-shaped vent prevents free movement of the butterfly valve used on so many cut-outs. Here is way of cutting a satisfactory vent: Cut the exhaust pipe with a hacksaw through half of the pipe diameter. Then saw a parallel slit and finally another one diagonally across. In this way two points can be bent back and sawed off. A little asbestos pack ing makes tight cutoff joint.
 An air vent is put in the bowl of a carburetor to equalize the pressure be- tween the gasoline in the bowl and the atmosphere, to obviate the form ing of a vacuum in the bowl
 The fact that ball bearings have be- come worn does not necessarily mean that they are complete loss. In stead of installing new set of balls have the races trued up ond put in a new set of oversize balls of the size needed.
 The job of lubricating the leaves of an automobile spring is not an easy task, as it is usually carried out with leaf spreader By placing two jacks under the frame of car and lifting the end up, the weight of the vehicle is removed from the springs, so that it is easy to work grease and graphite in among the leaves by means of a sacksaw blade or similar tool.
 Most car owners drain the oil out of the crankcase about three times a year, and as a general rule this used oil is simply thrown away. By add ing 50 per cent of kerosene to this waste oil an excellent spring lubri- cant is obtained. The method of using the mixture is to spray it all over the springs once a week. The oil fur nishes the lubricating means, while the kerosene keeps the springs free from rust.
 In the rare cases where the carbu- retor catches fire because of back fire the conflagration may be extin- guished by turning off the gasoline and then racing the engine. In this way the engine sucks the flaming liquid out of the carburetor and SC the fire dies out of itself.
 Car owners should not forget that one part of the battery system which needs the attention is the distributor head. When soot forms on this part it often enables the current to pass across from one terminal to another, with preignition as result. The track of the distributor head should be kept clean and be touched up from time to time with a kerosene soaked rag. This will prevent sits becoming dirty and will keep the motor button from sticking and cutting.
 In planning the home garage, re- member that for a single car the mini mum floor space will be twelve feet by twenty feet if you purpose doing any work on the vehicle in its shelter. Also these dimensions do not allow room for either a work bench or for storage space; they are simply the irreducible minimum for the man who intends to take care of his car
 The motorist is sometimes puzzled to know just what shape his bearings are in and does not know how to test them. Connecting rod bearings should be tested by tapping them very gently with a hammer and watching for play but for crankshaft bearings, try rock | ing the shaft a little by hand with the patcocks open; if you can-do this the bearings are just right.
 MAY RISE ON A FAIRER SHORE
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