charging system testing and service Flashcards
symptoms of an overcharged battery
bright lights
poor of loose condition alternator belt causes
undercharged battery
belt glazing is caused by heat friction when a loose belt slip on pulleys ? t or f
true
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if a belt is to tight what happens
premature wear
alternator bearing and pulley damage
unwanted high resistance in insulated and ground connections causes
increased voltage lose
unwanted highresistance at terminals can be reduced by
tightening and cleaning terminals
to restore the rotors residual magnetism you must
momentarily connect a jumper from the alternators + terminal to the R terminal
alternator pulley must be held with what during removal of the rotor shaft
strap wrench
DMM provides ____required to turn on diodes when connected in forward bias
voltage
diode test provides the indication of?
forward bias drop voltage
the rotor windings can be checked for ___by connecting a battery and ammeter in series with the surfaces of the two slip rings
short circuits
if rotor slip rings are dirty they can be cleaned with what ?
400 grit sandpaper
if brushes and brush holders are reused, the wear patterns of the brush must be matched with the ?
radius of the slip rings
a capacitor can be tested with a ?
capacitor tester
what dissolves stator and rotor windings insulating layers
petroleum based solvents