Piper ARCHER III - Page 368

SECTION 9
SUPPLEMENT 23 PA-28-181, ARCHER III
REPORT: VB-1611 ISSUED: JULY 12, 1995
9-166, 14 of 36 REVISED: FEBRUARY 14, 2006
SECTION 3 - EMERGENCY PROCEDURES (continued)
ALTERNATOR FAILURE (continued)
Failure of Standby Alternator
If STBY ALTR ON is not illuminated:
STBY ALTR ..................................................................................................OFF
STBY ALTR FIELD circuit breaker..........................check and reset as required
STBY ALTR SENSE circuit breaker ........................check and reset as required
STBY ALTR ....................................................................................................ON
If standby alternator power not restored:
STBY ALTR ..................................................................................................OFF
If the standby alternator has failed or cannot provide adequate power, then
electrical power is dependent on available battery storage. Duration of battery
power available will be dependent on electrical load and battery condition prior
to failure. Execute Complete Electr
ical Failure checklist when battery is
depleted. Land as soon as possible.
WARNING
Compass error may exceed 10 degrees with alternator
inoperative.
CAUTION
Any power interruption will result in loss of attitude
information from the PFD until the unit can be reinstated on
the ground.
NOTE
LO BUS VOLTAGE annunciator will be illuminated.
Anticipate complete electrical failure. Duration of battery
power available will be dependent on electrical load and
battery condition prior to failure.
SECTION 9
SUPPLEMENT 23 PA-28-181, ARCHER III
REPORT: VB-1611 ISSUED: JULY 12, 1995
9-166, 14 of 36 REVISED: FEBRUARY 14, 2006
SECTION 3 - EMERGENCY PROCEDURES (continued)
ALTERNATOR FAILURE (continued)
Failure of Standby Alternator
If STBY ALTR ON is not illuminated:
STBY ALTR ..................................................................................................OFF
STBY ALTR FIELD circuit breaker..........................check and reset as required
STBY ALTR SENSE circuit breaker ........................check and reset as required
STBY ALTR ....................................................................................................ON
If standby alternator power not restored:
STBY ALTR ..................................................................................................OFF
If the standby alternator has failed or cannot provide adequate power, then
electrical power is dependent on available battery storage. Duration of battery
power available will be dependent on electrical load and battery condition prior
to failure. Execute Complete Electr
ical Failur
e
checklist when battery is
depleted. Land as soon as possible.
WARNING
Compass error may exceed 10 degrees with alternator
inoperative.
CAUTION
Any power interruption will result in loss of attitude
information from the PFD until the unit can be reinstated on
the ground.
NOTE
LO BUS VOLTAGE annunciator will be illuminated.
Anticipate complete electrical failure. Duration of battery
power available will be dependent on electrical load and
battery condition prior to failure.