ELECTRICAL SYSTEM
12-2
1. Removing electrical system
1.1 Removing starter
Disconnect the harness.
Remove the starter mounting bolt and remove the starter.
Removing starter
1.2 Inspection before removing alternator
1.2.1 Inspecting alternator operation
Locate the cause of faulty charging from malfunctions
described below. Do not remove the alternator for
inspection and repair unless inspection cannot be performed
with the alternator installed on the engine.
1.2.2 Handling precaution
Improper handling could cause damage or failure to the
alternator.
(1) Connect battery cables correctly. B terminal is positive
(+), and E terminal is negative (-).
(2) Do not use any high voltage tester such as megger.
(3) Do not disconnect lead wire from B terminal of the
alternator while the engine is running.
(4) Battery voltage is constantly applied to B terminal of
the alternator. Do not ground at this terminal.
(5) Do not short circuit or ground at L terminal. (For a
built-in IC regulator type)
(6) When a steam cleaner is used, do not allow the steam
directly contact the alternator.
Starter
Overcharge
Adjusted value of voltage regulator is high.
Faulty battery.
Over dis-
charge
Low adjusted value of voltage relay.
Faulty alternator output.
Electric power consumption is extremely high.
Special load is used.
Faulty wiring.
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