83
(XIV) Malfunctioned Charging Dynamo
Fault Characteristics & Causes
Elimination Approaches
Not
charged
completely;
undercharged;
unstable charging current
a) Measure diode or IC regulator one by one
with multimeter after opening the back cover
of dynamo.
b) Check body and base of vacuum pump for
any crack and matching face between pump
core and main shaft spline of dynamo and
internal working face for serious abrasion and
scratch.
c) Vacuum pump blade is worn seriously on
the width.
d) Oil leaks.
a) Replace in time if damaged.
b) Replace in time if damaged.
c) Replace in time once any damage is found; the
width of the blade must not be less than 13mm.
d) Replace the part leaking oil.
