Maintenance Practices - Raytheon BEECH BARON 58P Maintenance Manual

BEECHCRAFT
UARON 58P AND BAROIY 557C
MAINTENANCE MANUAL
E L E C T R ICAL LOAD DISTRIBUTION The following functions
are
provided from alternate battery
MAINTENANCE PRACTICES
bus power:
AL 7ERNA 7E BA 77ER Y BUS
a.
Electrical Gyros
(if installed).
The optional alternate battery bus provides electrical
power
b. Turn and Slip Indicator.
directly from the batteriesfor
any emergency
situation c.
Nav Lights.
requiring
such action. Control of this system consists of
one
d. Instrument
Lights.
guarded switch mounted
on
the left side of the instrument
e.
Cabin Lights.
panel,
f. Left Landing Light.
g.
Audio.
To check the alternate
battery
bus
system,
use
the
h. Coml.
following
steps:
i. Nav I
or
Nav II.
j. Transponder.
a.
Remove the
guard
on
the ALT BAT BUS switch by
turning the
cover as
indicated.
b.
Place the ALT BAT BUS
switch
in the ON
NOTE
position.
c.
Place both alternator switches in the off
or
down
position.
The standard battery
installation will provide
d. Place
the normal BAT switch in the off
or
down
30 minutes
or more
of operation, according
to
position.
the number of the above loads used.
ELECTRICAL LOAD ANALYSIS
Alternate Battery
Bus Only
ITEM NUMBER PER LOAD PER LOAD PER
AIRPLANE UNIT AIRPLANE
IN AMPS. IN AMPS.
Avionics
(Com
I Nav I
Audio and
Transponder)
All
5.32 5.32
Turn and Slip
Ind. 1
.40 .40
Cabin Lights 2
.17 .34
Navigation Light 1
1.20 1.20
Landing Lights 1
9.00 9.00
Instrument Lights
All
2.40
2.40
"END"
24-51-00
Page
201
Nov
30/16