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Mercury MerCruiser MCM 7.4L MPI User Manual

Mercury MerCruiser MCM 7.4L MPI
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CHARGING SYSTEM
SERVICE MANUAL NUMBER 23
90-861326--1 MARCH 1999 Page 4C-17
9. Turn end frame over (stator upward) and remove one Phillips head screw which secures
rectifiers to end frame.
72826
a
b
a-Rectifier Assembly
b-Phillips Head Screw
10. Separate stator and rectifier assembly from rear end frame using screwdriver slots.
11. Unsolder the three stator leads from the rectifier heat sink. Place a needle nose pliers
on diode terminal between solder joint and diode body to help prevent heat damage to
diodes. Unsolder joints as quickly as possible and allow diode terminal to cool before
removing pliers.
72827
a
b
b
a-Heat Sink
b-Stator Leads (3)
IMPORTANT: With alternator disassembled to this point, stator, rectifier, diodes, and
rotor may be tested, as explained under “Component Testing,” following.
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Mercury MerCruiser MCM 7.4L MPI Specifications

General IconGeneral
BrandMercury
ModelMerCruiser MCM 7.4L MPI
CategoryEngine
LanguageEnglish

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