LANCE II
SERVICE MANUAL
TO "BAT"
TERMINAL
POSITIVE CASE
C-3829
RECTIFIERS
Figure 11-4.
Testing Rectifiers
(Positive)
the
"Y" connection as is necessary
where the test lamp method
is used.
Due
to the short leads at the "Y" connection
it is quite difficult to
separate
and
reconnect them properly. This tool
C-3829 will save much time
and is ac-
curate.
Insulate alternator from metal bench and plug tester tool C-3829 into a
110 volt supply. Connect the alligatorclip of tool C-3829 to the alternator "BAT"
terminal and touch
the bare metal of each of the positive
case rectifier lead wires
in the heat sink at the rectifiers.
The meter
reading for
each of the rectifiers
should
be the same.
Always
contact the connection
nearest the
rectifiers.
Do not break the
sealing on the rectifier lead
wire or on the top of the
rectifiers. The sealing material
is used for corrosion
protection.
The reading
on the meter will indicate
1.7 or over for good rectifiers.
Where two
of the rectifiers are good and one
is shorted, the reading taken at
the
good
rectifiers will
show low. The
reading at the shorted
rectifier will
be zero.
Cut the lead at the
bad rectifier and the reading at
the two good rectifiers will
come up to normal. Where one
of the rectifiers is open, it will
read low (1 amp
or less)
the two good rectifiers
will show normal.
Issued: 1/3/78
ELECTRICAL SYSTEM
2F20
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