Diagnostic Test: 12V alternator Output test

Diagnostic Test - Alternator Output Test (12V) Concept The alternator is the spirit of the charging system. It is an alternate(a)-current generator mount on the locomotive locomotive railway locomotive, which is set by a belt from the crankshaft. The alternator develops alternating current, which is budged to direct current. change current changes from positive (+) to minus (-) at a veritable(a) cycle. Direct current does not change from positive (+) to negative (-). Only direct current raft be employ to charge a shelling. As the bombardment drain continues, and locomotive engine speed increases, the charging system is able to wee more potential than the barrage fire can deliver. When this occurs, the electrons from the charging device atomic add up 18 able to flow in a turn around counsel through the batterys positive terminus. The charging device is now give the galvanising systems load requirements; the reserve electrons build up and reload the battery. D iagnosis 1.         With a multimeter/ voltmeter measure the battery potential at the battery terminals with the engine turned off. Remember that positive (red) terminal on battery always connects to positive on the multimeter 2.          today start the engine and run it as fast on the loose(p) (approximately 1500rpm), and do the analogous exam as above (but with engine still running at fast idle), measuring the voltage at the battery with a multimeter/voltmeter. Evaluation Reading for the original foot race should be approximately 12V (or pretty higher) Assuming that the graduation test is ok and the battery is putting go out the correct voltage, then the output with the engine running should be greater than 13.9V and less(prenominal) than 15.1V. Adjustment and Repair If voltage is less than 13.9V ·          bind/test battery (may require rehabilitation) ·         Check/test alternator (may need help and requir e new brushes, or replacement of whole unit)! ·         Check fan belt tension for fun and slippage on... If you want to sit a full essay, order it on our website: OrderEssay.net

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