Piper Lance II User Manual

LANCE
II SERVICE
MANUAL
TABLE XI-III. ELECTRICAL SYSTEM TROUBLESHOOTING (cont.)
Trouble
Cause Remedy
ALTERNATOR (cont.)
Output indicated on
ammeter does not
meet minimum values
specified in alternator
system test procedure.
(cont.)
Open
rectifier.
If any
of the six
recti-
fiers pressed
into
the
rear
bell housing
of the
alternator
open
up
internally,
it will result
in a definite limitation
on
the current
that can
be drawn from the
alternator. After
having
checked
the
previous
causes
of low
output
it can
be assum-
ed that a
faulty rectifier
exists.
See
Paragraph's
titled Testing
of Rectifiers or Inspection and
Testing of Components.
Field
circuit
breaker
trips.
Short circuit in field
circuit.
Disconnect
field
wiring
at terminal of alter-
nator.
Turn on master
switch.
If breaker
continues
to
trip, pro-
ceed to disconnect
each
leg of field
circuit,
working
from
the alter-
nator towards
the
cir-
cuit breaker
until
breaker can be reset
and
will hold.
Replace
component
or wire
which
was
isolated
as
defective.
(See
wiring
schematic.)
Issued:
1/3/78
ELECTRICAL
SYSTEM
2H20

Piper Lance II Specifications

General

Manufacturer	Piper Aircraft
Max Takeoff Weight	3, 600 lb (1, 633 kg)
Crew	1
Horsepower	300 hp
Seats	6
Length	27 ft 7 in (8.41 m)
Capacity	5 passengers