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CHARGING SYSTEM - ALTERNATOR
CH·9
Ohmmeter
00
Continuity
Stator (Drive End Frame)
1.
INSPECT STATOR FOR OPEN CIRCUIT
Using an ohmmeter. check that there is continuity
between the coil leads.
If there is no continuity, replace the drive end frame
assembly.
Ohmmeter
00
No Continuity
2.
INSPECT STATOR FOR GROUNO
Using an ohmmeter. check that there is no continuity
between the coil lead and drive end frame.
If there is continuity, replace the drive end frame
assembly.
Brushes
INSPECT EXPOSED BRUSH LENGTH
Using vernier calipers. measure the exposed brush
length.
Standard expo.ed length:
10.5
mm
(0.413
in.)
Minimum exposed length:
1.5
mm
(0.059
in.)
If the exposed length is less than minimum. replace
the brush holder.
CH
Rectifiers (Rectifier Holder)
1.
INSPECT POSITIVE RECTIFIER
(a)
Using an ohmmeter. connect one tester probe to the
positive
(+)
terminal and the other to each rectifier
terminal.
Reverse the polarity of the tester probes and repeat
step (a).
Check that one shows continuity and the other shows
no continuity.
If continuity is not as specified. replace the rectifier
holder.
INSPECT NEGATIVE RECTIFIER
Using an ohmmeter. connect one tester probe to each
negative (-) terminal and the other to each rectifier
terminal.
Reverse the polarity of the tester probes and repeat
step (a).
o
Ol~='"
Ohmmeter
(b)
.-
(e)
Ohmmeter
DO
2.
@I
Negative (-)
Terminal
(a)
(b)
""'"

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  • Dibakar Kundu Aug 13, 2019 04:39:
    much helf full to us,we hope will get this type of support in future.