Electrical Failures; Single Alternator Failure - Piper SEMINOLE 2013 Pilot Operating Handbook

SECTION 3
EMERGENCY PROCEDURES
3.5j Electrical failures
The LEFT ALTR (Row 1, Column 15) and
RIGHT ALTR (Row 1, Column 16) circuit
breakers should not be opened manually when the
alternators are functioning properly.
Tripped circuit breakers should be reset only
if the affected system/component is considered
essential for safety of flight. Prior to resetting
the circuit breaker, wait at least one minute and
verify there is no smoke or "burning smell". If
the circuit breaker opens a second time, leave
the circuit breaker out. Have a maintenance
inspection performed prior to resetting the circuit
breaker. Do not reset any nonessential circuit
breakers in flight.
Indication: Master Warning, Triple chime,
Verify Failure......................................... CHECK ALTR AMPS Indication
Electrical Load..............................................REDUCE less than 75 AMPS
Failed ALTR Switch.............................................................................OFF
Failed Alternator Field Circuit Breaker............................................RESET
Failed ALTR Switch..............................................................................ON
If alternator still failed:
Failed ALTR Switch.............................................................................OFF
ALTR AMPS Indication ......................................................... MONITOR
REPORT: VB-2307
3-26
cAUTION
NOTE

Single Alternator failure

L ALTR FIELD Circuit Breaker (Row 2, Col. 15)
R ALTR FIELD Circuit Breaker (Row 2, Col. 16)
PA-44-180, SEMINOLE
L ALTR FAIL
(60 AMPS if on ground)
(MAINTAIN less than 75 AMPS)
(60 AMPS if on ground)
ISSUED: June 5, 2013
or
R ALTR FAIL