SECTION 3
EMERGENCY PROCEDURES
CESSNA
MODEL 182T NAV
Ill
ELECTRICAL POWER SUPPLY SYSTEM
MALFUNCTIONS
(Continued)
INSUFFICIENT RATE-OF-CHARGE
When the over-voltage sensor circuit, or other fault, opens the
alternator (ALT FIELD) circuit breaker and de-energizes the
alternator, a discharge
(-)
current will be shown on the main battery
ammeter and the low voltage annunciator (LOW VOLTS) will come
on. The ACU can de-energize the alternator due to minor
disturbances in the electrical system, resulting in a "nuisance"
opening of the ALT FIELD circuit breaker. If this happens, an
attempt should be made to energize the alternator system.
To energize the alternator system
1.
MASTER Switch (ALT Only)
-
OFF.
2. Alternator Circuit Breaker (ALT FIELD)
-
CHECK IN.
3. MASTER Switch (ALT Only)
-
OIV.
If the problem was a minor ACU disturbance in the electrical
system, normal main battery charging will start. A charge
(+)
current will be shown on the main battery ammeter and the LOW
VOLTS annunciator will go off.
If the LOW VOLTS annunciator comes on again, there is an
I
alternator system problem. Do not repeat steps to energize the
alternator system. The electrical load on the battery must be
minimized (by de-energizing nonessential electrical equipment and
avionics) because the battery can supply the electrical system for
only a short time. Reduce electrical load as soon as possible to
extend the life of the battery for landing. Land as soon as practical.
(Continued Next Page)
3-34 U.S.
To Next Page
Loading...
Need help?
General
