Cessna 172P - Ground Sen¡Ice Plug Receptacle

6
GROUND
SERVICE
PLUG
R,ECEPTACLE
MODEL
172P
PILOT'S
OPERATING
HANDBOOK
ST'PPLEMENT
sEcTtoN
2
LIMITATIONS
-
Tng
following
information
must be
presented
in the
form
of
a
placard
Iocated
on the
inside
of the
ground
señice
plug
access
door:
CAUTION
24 VOLTS
D.C.
This
aircraft
is
equipped
with
atternator
and
a negative
ground
system.
OBSER,VE
PROPER,
POLARITY
Reverse
polarity
will
damage
electrical
components,
sEcTtoN
3
EMERGENCY
PROCEDURES
There
is no
change
to the ai4llane
emergency
procedures
when the
ground
servioe
plug
receptacle
is installed.
SECTION 4
NORMAL
PROCEDURES
Just before connecting
an external
power
source
(generator
type or
battery
cart), the
avionics
powor
switch
should
be turned
off, and
the
master
switch
on,
l4¡hen
turning
on
tho master
switch,
using
an exüernal
powor
source,
or
pulling
the
propeller
tJrrough
by hand,
treat
the
propeller
as if
the ignition
switch were
ON. Do not
stand,
nor allow
a,nyone
else to
stand, within the
aro
of the
propeller,
since
a loose
or broken
wire
or a component
malfunction
could
oause
the
propelter
to rotate.
2
WARNING
30
May 1980