23A ELECTRICAL EQUIPMENT
General description
The alternator is driven from the crankshaft pulley
by single or double belt(s).
The CAV AC5RA or AC5RS and the Lucas A127
alternators have solid state regulators fitted at the
rear. The regulator of the Lucas A127 alternator
includes the brush box as a part of the unit. The
regulators of both alternators are sealed and repair
is not possible.
Precautions
To prevent damage to the diodes and to the
resistors, the precautions given below must be
followed:
• Do not disconnect the battery while the engine is
in operation. This will cause a voltage surge in the
alternator charge system which will immediately
cause damage to the diodes or to the transistors.
• Do not disconnect an electrical wire before the
engine is stopped and all electrical switches are in
the "off" position.
• Do not cause a short circuit by the connection of
electrical wires to the wrong terminals. The correct
electrical wire must be connected to the correct
terminal. A short circuit or wrong connection which
gives reverse polarity will immediately cause
permanent damage to the diodes and to the
transistors.
• Do not connect a battery into the system until it
has been checked for correct polarity and voltage.
• Do not check for current flow with a spark
contact as damage can be caused to the
transistors.
23A.02 Perkins Phaser/1000 Series, April 1995
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