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Show Air Drill Very Useful to Start Auto Engine In the motor-repair shop, where an air drill or motor is used, It can be applied to starting motors that have had their bearings readjusted, and are consequently stiff and hard to start by ordinary methods. For this purpose, the ratchet end of a starting start-ing crank is cut off. as shown, and i engine-startino crank ! ; 1 cut off; and turn dowm t ; to shape and size op ; . a drill. smank How Air Drill Is Applied. the shank tapered to fit the drill collet col-let used with the motor. With this arrangement in place on the crankshaft crank-shaft of the motor, the air Is turned on. If the engine refuses to turn over, leave the air turned on and push down on the electric starter button. The combined efforts of the two will usually usual-ly start the engine, and the air motor mo-tor alone will be able to keep the engine turning until the ignition is switched on. Popular Mechanics Magazine. i |