Mooney M20M - Cabin Light Switch Replacement; Cabin Lights Overhead Lights; Description and Operation; Interior Lights Maintenance Practices

SERVICE AND
MAINTENANCE
MANUAL
M20M
MOONEY
AIRCRAFT
CORPORATION
33-00-00
-GENERAL-DESCRIPTION AND of
the
over
head airvents
on
ovemead
panel.
The
OPERATION
passenger
compartment
lights
are
located
above
rear
High
intensity
strobe
lights
are
standard
equipment
on
seats
in
overhead
panel
and
are
activated
by
a
similar
M20M aircraft.
The
lights
are
located
adjacent
to
the
three
position
switch
located
adjacent
and
aft of
wing tip navigation
Tights
and
incorporated
in
the
f0’wa’d
cabin
light
switch.
taillight assembly.
Separate
power
supplies
are
utilized
NOTE
for
each
strobe
light
and
are
located
in each
wing
These
cabin
lights
are
connected
directly
to
the
outboard
section,
mounted
on
inspection
cover,
and
battery
through
the
rocker switches and will
inside
the
tailcone
adjacent
to
the left
rear
inspection
illuminate
with
Master
Switch OFF unless the
cover.
The
system
is actuated
by
a
10
amp
circuit
optional
door frame swithces
are
installed.
breaker/switch
located
on
the
instrument
panel
in
front
of the
pilot.
S/N
27-0053
thru
27-0107
aircraft MAY
incorporate
optional
switches
on
cabin and
baggage
door
frames
Navigation lights
are
located
on
each
wing tip
and,
the
that
will
tum
applicable
interior
lights
ON
when
either
aft
facing
navigation light
(clear),
located
on
each
wing
door is
opened.
Forward
cabin
interior
lights
are
tip
trailing edge.
The
lights
are
activated
by
a
7.5
amp
ccnnected
to
the cabin door
switch and aft
circuit
breaker/switch
located
on
the instrument
panel
cabin/baggage
interior
lights
are
connected
to
the
in
front of
the
pilot.
baggage
door switch.
Landing/Taxi
lights
are
located in
leading
edge
of both
Rocker
switches,
located
overhead,
between
pilot
and
wings.
Two
110,000
candle
power
sealed
beam bulbs
cc-pilot,
for cabin interior
lights
will
turn
selected
set
of
are
located in
each
wing.
The
lights
are
activated
by
lights
ON,
as
desired.
The
rocker switch
light
circuits
two
25
amp
split
switches located
on
the
upper
left
are
routed
through
a
timer and
the
MAStER
switch
instrument
panel
in
front of the
pilot.
The switches
are
and
will
go
OFF when MASTER
switch
is
tumed
OFF,
used
to
illuminate both
landing
taxi
or
either
one,
as
with the rocker switches left ON
(doors closed).
needed.
Lights
will
go
OFF in
approximately
90-120
seconds
Two
sets
of
interior
lights
are
located
on
overhead
after
door(s)
are
closed~ inrhen MASTER
is
OFF and
panel.
The forward cabin overhead
lights
are
located rocker
switch(es)
are
left
ON.
between
pilot
and
cc-pilot
seats
and
are
actuated
by
a
The
lights
will
go
OFF
when
door(s)
are
closed,(timer
three
position
switch,
(dim,
off,
bright)
located forward
delay)
if MASTER
is
ON
or
OFF
and
light
rocker
switch(es)
are
OFF.
APPLICATIONS
BULB PART
NUMBER
Glareshield
Lights
GE
327
Post
Lights
GE
327
Map
Light
GE
327
Cabin
Interior
Lights
GE
1818
Trim
Flap
Indicator
GE
327
Gear Down
Light
(Floorboard
Indicator)
GE
327
Tail
Position
Light
(WHELEN)
W1290
Wing
Tip
Position
Light
W1290
Landing/Taxi Light
GE
4596
Recognition
Light (molded assy)
01-0770303-00
ONhelen)
3340-00
INTERIOR
LIGHTS-MAINTENANCE
33-21-02
CABIN LIGHT SWITCH
PRACTICES
REPLACEMENT
1.
Drop
forward
end
of headliner
assembly
(1)
by
33-21-00
-CABIN
LIGHTS-OVERHEAD
LIGHTS
removing
screws
holding
headliner
in
place
(Figure
(27-0001
THRU
27-0180,
27-0182,
27-0183)
33-1A).
2.
Switches
(5)
are
a
press
and
snap
in
fit
and
may
33-21-01
LIGHT BULB
REPLACEMENT
require
bending
of
spring
tabs
to
release for removal.
1.
Remove
light
cover
panel
(2) (Figure
33-1A)
from
3.
Disconnect
wire
connections and
replace
with
new
the headliner
assembly
(1)
by
removing
four
screws
(3)
switch.
Check for
proper
operation.
from either
panel.
4.
Position headliner
to
proper
location and
secure.
NOTE
The
front
and
rear
light
bulbs
are
replaced
in
the
same manner.
2.
Remove and
replace
the
bulbs and
check
for
proper
operation.
4-99
33-00-00
OLDWILLWAYNE