LANCE II SERVICE MANUAL
The large diode and heat sink in the alternator output circuit operates the ALT
annunciator light and provides protection to the alternator output wire. The field circuit
breaker for the voltage regulator and field wiring protection is 5 amperes. If this breaker
trips, it will result in a complete failure
of power from the generating system.
After a one or
two minute cool-down, they can be reset manually. If tripping recurs, holding the breakers
down will not prevent their continued
tripping, and indicates a breakdown
of wiring or
equipment
in the generator
circuit.
The ammeter
does not indicate
battery discharge,
but displays the
load in amperes
placed
on the generating
system. With
all electrical equipment
off (except
master), the
ammeter will
indicate the amount
of charging current
demanded by
the battery. This
amount will vary,
depending on
the percentage of
charge in the battery
at the time. As the
battery
becomes
charged, the
amount of
current displayed
on the
ammeter will
reduce to
approximately
two amperes.
The amount
of current
shown
on the ammeter
will
tell
immediately
wheather or not
the alternator system
is operating normally,
if the following
principles are kept in mind.
Issued:
1/3/78
ELECTRICAL
SYSTEM
2 F16
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