Cessna 402B 1973 - Page 50

If
complete
loss
of alternator
output occurs
check
fietd
fuse
and replace
if necessary. Spa::e
fuses
are
located
on
the
forward
side of
the
switch ard
circuit
breaker
console.
If an
intermittent
light
indication accompanied
by
ammeter
fluctuation
is observed - shut off
affected
alternator and
reduce
load
to
one alternator
capacity.
ATTERNAIOR
FAILURE
(Du
ol)
(lndicoted
by
illuminotion
of
f
oilure
lishrs)
(1)
Electrical
Load
-
REDUCE.
(2)
If circuit breakers
are
tripped.
(a)
Shut
off
Alternators.
(b)
Reset cibcuit
breakers.
(c)
Turnon:alternators.
(d)
If
circui;t
breakers
reopen
prepare
to terminate
flight.
(3)
If
circuit breakers
have not
tripped.
(a)
Switch
to
standby
regulator.
(b)
If still
ihoperative
check
field
fuses
and
replace as re-
quired.
i
Spare
fuses are Iocated
on
the
forward side
of
the
switch and
circuit
breaker
console.
(c)
If still inoperative
turn
off right
alternator
and
tum
on
emerge{rcy
power.
(d)
If
still ihoperative
turn
off left
alternator,
turn
on right
alternatbr.
(")
If still inoperative
turn
off
alternators
and
prepare
to
terminate
flight.
NOTE
The
stall
warning
system is inoperative
when
the
battery
switch
is in
the OFF
position.
FLIGHT
INSTRUMENTS
OBSTRUCTION
OR ICING
OF
STAIIC
SOURCE
(d)
(e)
(1)
(2)
Alternate'Static
Source
- OPEN.
Excess
Altitude
and
Airspeed
-
MAII.III,AIN
to
compensate
change
in calibration
3-12
for