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72
ENGINE AND ENGINE REBUILDING
"BATT"
FIELD
RELAY
TERMINAL
Both the internally and externally regu-
lated Delcotrons use positive and negative
diodes. These diodes are electrical chedk
valves, meaning that they will allow current
to pass freely in only one direction. The
diodes perform the function of changing the
alternating current (AC) developed within the
stator windings to direct current (DC) which
can be used by the 12VDC system. In the
. i
NO
TERMINAL
NO, 1
TERMINAL
Externally regulated, "perforated case" Delcotron
Internally regulated Delcotron
ROTOR
',.
S1A10R afitu.
l
7S
WINDING
•
-"
externally regulated Delcotron (except the
"perforated case" models), the negative diodes
(3) are pressed into die slip ring end frame;
the positive diodes (3) are pressed into an
electrically insulated heat sink attached to the
slip ring end frame. The diodes used in the
"perforated case" Delcotron are pressed into
removable heat sinks. The grounded heat sink
contains the negative diodes; the insulated
SUP RING
DRIVE
END FRAME
END FRAME |
FAN
PUUEV
GREASE
RESERVOIR
BEARING
STATOR
ASSEMBLY
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