Automobile Engineering; A General Reference Work Volume 3

Automobile Engineering; A General Reference Work Volume 3

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 edition. Excerpt: ... as the flywheel, carries sixteen coils, so that the number of alternations at the high speed at which the Ford motor runs, is very great. These alternations, or cycles, are so rapid that they overlap each other, as is evidenced by the steady burning of the incandescent headlights.. The induction coil does not act quickly enough to be affected by the change of polarity so that a vibrator is necessary on each coil to produce a sufficiently hot spark for ignition. Q. How can the four vibrators of the Ford coil be adjusted so as to operate uniformly? A. The fact that they are not doing so, will be evidenced by the uneven running of the motor. Determine, by holding down the vibrators, one after the other, which cylinder or cylinders are lagging behind the others in firing. This will cut out the cylinders in turn; in fact, two may be held down at once, and the action of the remaining pair noted. When the cylinder, or cylinders, at fault have been determined, adjust one at a time by releasing the lock nut of the adjusting screw of the vibrator and turning it up or down, according to whether improvement in running is. noted, or not. Usually only a small fraction of a turn one way or the other will be necessary. Turn the screw very slowly and very little at a time and, when the proper adjustment of the screw has been secured, lock in place again securely. Ordinarily, the proper adjustment may be secured simply by noting the running of the motor. When all the cylinders fire regularly and without any apparent lag, the adjustment is considered correct. To secure a finer adjustment, a small portable ammeter, reading by tenths to three or five amperes, may be used. Connect this in series with each one of the coils in turn, and note the reading at which more

Product details

  • Paperback | 104 pages
  • 189 x 246 x 6mm | 200g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236603311
  • 9781236603319