Mooney M20M - Gear down Indicator Light (Floorboard); Light Bulb Replacement

SERVICE
AND
MAINTENANCE
MANUAL
M20M MOONEY
AIRCRAFT
CORPORATION
CO-PILOT’s
SWITCH
B.
Post
light
bulbs
are
replaced by
pulling
hood
1.
Go-pilot’s
cabin
light
switch
is
located
in
front of
St’aight
out
from
post
light
base and then
pulling
bulb
cabin
door
hinge
above
cc-pilot’s
right
knee.
from this hooded
portion.
2.
Remove
1
each
screw
above
switch. Remove
C. Insert
new
bulb
into
hood
and
push
hood
back
door
frame
cap.
Pull
panel
away
from velcro fastners
to
O"to
post light
base.
access
switch.
D.
Check for
proper
operation
and
hood orientation.
3.
Press
snap
tab 8
push
switch from
panel
to
remove.
2. GLARESHIELD
LIGHTS.
4.
Re-assemble
in
reverse
order when
maintenance
A.
Remove
outer
housing
by
unscrewing
from
light
action
is
completed.
assembly
base.
BAGGAGE
COMPARTMENT
SWITCH
B. Remove bulb and insert
new
bulb.
(27-0131,
27-0184
3
ON)
C. Screw
outer
housing
back
onto
base.
1.
Switch
is located
at
rear
of
baggage
door
at
front,
D. Check for
proper
operation.
top
of
hat rack
opening. (Figure
33-1A)
3.
MAP
LIGHT
2.
Remove
1
screw
inboard
of
switch. Pull door
A.
Place
wrench
on
fiat of
metal
housing
on
frame
down
slightly
from
velcro fastners
to
access
bulb
assembly
from
receptacle.
Unscrew and
remove
baggage
compartment
light
switch.
bulb.
3.
Press
snap
tabs
and PUSH switch
through panel.
B.
Replace
bulb;
screw
on
bulb retainer and
tighten.
4. Disconnect
terminals,
replace
switch.
33-23-00
GEAR DOWN INDICATOR LIGHT
5.
Re-assemble
in
reverse
order.
(FLOORBOARD)
33-22-00
INSTRUMENT/FLIGHT
PANEL
AND
33-23-01
LIGHT
BULB
REPLACEMENT
GLARESHIELD LIGHTS
1.
Remove lower
belly panel
to
gain
access
to
light
33-22-01
LIGHT
BULB REPLACEMENT
assembly.
1.
INSTRUMENT
PANEL LIGHTS.
2.
Remove
and
replace
bulb.
A.
Internally
liohted
instruments
are
not
being
3.
Check for
proper
operation.
considered
in
this
in~ormation.
4. Reinstall
belly panel.
33-40-00
UCTERIOR LIGHTS-MAINTENANCE PRACTICES
33-40-01
TROUBLE SHOOTING UCTERIOR LIGHTS
TROUBLE
PROBABLE
CAUSE
REMEDY
STROBE
LIGHTS
Lights
inoperative.
Circuit
breaker/switch
Check for short
circuit
Reset
circuit
tripped,
breaker.
Loose connection.
Check
and
tighten
electrical
connections.
Battery
defective.
Replace
battery
or use
extemal
power.
Circuit
breaker switch
Check
continuity through
switch;
defective.
replace
if
necessary.
Faulty
power
supply.
Disconnect
synch
wires
to
identify faulty
power
supply.
One bulb
does
not
light.
Bulb bumed
out.
Replace
bulb.
Power
supply inoperative.
Replace.
Fixture
not
grounded.
Check for
good bonding
between
fixture
and
structure.
Tighten mounting
screws.
Loose connection.
Check
all connections in circuit.
Defective
fixture
Replace
fixture.
LANDING
LIGHTS,
NAVIGATION
LIGHTS
AND
TAILLIGHT
Lamp
fails
to
light.
Circuit
breaker/switch
Check
for short
circuit
Reset
circuit
tripped,
breaker.
Lamp
burned
out.
Replace
lamp.
4-99
33-22-00
OLDWILLWAYNE