CHARGING SYSTEM
SERVICE MANUAL NUMBER 24
5.
Replace assembly if any of the rectifiers is shorted or open.
b
c
72147
a
a - Heat Sink
b - Rectifier Terminal
c - Test These Two Rectifiers In The Same Manner
POSITIVE (+) RECTIFIER AND DIODES
CAUTION
DO NOT use a test instrument with more than a 12 volt source (in the following test),
as rectifier may be damaged.
6.
Connect one lead of an ohmmeter (set on R x1 scale) to 1/4 in. stud on positive (+)
rectifier heat sink and the other lead to one of the rectifier terminals. Note the meter
reading.
7.
8.
Reverse leads and again note reading.
Meter should indicate a high or infinite resistance (no meter movement) when
connected one way and a low reading when connected the other. If both readings are
high or infinite, rectifier is open. If both readings are low, rectifier is shorted.
9.
Repeat Steps 1. through 3. for two other rectifiers in heat sink.
b
c
72834
a
a - Stud
b - Rectifier Terminal
c - Repeat Test Between These Terminals And Stud
10.
Replace assembly if any one of the rectifiers is shorted or open.
Page 4C-14
90-861327--1 OCTOBER 1999
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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