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Electrical system
Component description
Generator
The Valeo A13N 147M generator is driven from the
crankshaft pulley with a single drive belt. The gen-
erator has a capacity of 60 A (early version 50 A).
Starter motor
The starter motor is of the pre-connected type and
the internal drive operates via a planetary train.
A roller clutch prevents the rotor rotating at high
speed if the starter motor is kept in the engaged po-
sition.
These starter motors are equipped with needle
bearings to allow for higher loads.
Glow plugs
The starting aid for these engines consists of a set
of glow plugs, one for each cylinder.
The glow plugs are installed in the cylinder head
next to the injectors. The tip of the glow plug pro-
trudes into the combustion chamber in the piston
when the piston is at TDC.
The glow plug is controlled electrically, usually with
the ignition switch. When the plugs are supplied
with power the tips become very hot and improve
the combustion process during cold starting.
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