Mooney M20K - Page 161

SERVICE
AND
MAINTENANCE
MANUAL
M20K
MOONEY
AIRCRAFT
CORPORATION
2.
Retorque
all
jam
nuts.
3.
Re-attach
main
and
nose
landing
gear
door
links.
Check
to
see
that
main
and
nose
landing
gear
doors
are
still
rigged
per
paragraph
32-10-04
and
32-20-03.
3232-00
TROUBLE
SHOOT1NG
LANDING
GEAR
SYSTEM
TROUBLE
PROBABLE
CAUSE
REMEDY
Incomplete
ret~action.
Gear
Bind
in
gear
retraction
system
Refer
to
landing
gear
rigging
retracts
to
an
intermediate
because
gear
is
out
of
n’g.
procedure.
Examine
all
movable
position
and
stops
short.
Malfunction
in
gear
electrical
parts
for
proper
lubrication
and
circuit,
inoperative
actuating
freedom
from
binding.
Check
for
motor,
or
weak
battery.
actuator
worm
gear
binding
and
lubricate
as
needed.
Any
malfunction
can
cause
the
landing
gear
circuit
breaker
to
trip:
therefore
check
electric
circuit
for
loose
connection,
broken
wires
or
defedive
relay
switches.
Recharge
battery
if
necessary.
Oversized/Stretched
tire
will
not
go
Replace
tire
with
smaller
diameter
into
wheehwell
properly.
tire.
Gear
will
not
retract
at
70
to
80
Insufficient
airspeed,
pressure
Check
pitot
tube
and line
for
MPH
IAS.
switch
inoperative,
circuit
breaker
obstructions.
Examine
pressure
tn’pped
or
actuator
ball
nut
binding
switch
for
proper
adjustment
and
on
mechanicaC
DOWN
STOPS.
operation.
Reset
circuit
breaker.
Does
gear
ret~act
using
override
check
system
operation.
Gear
may
have
been
extended
manually
3
ball
nut
is
jammed
tight
against
STOPS
on
motor;
use
wrench
on
ballnut
flat
3
move
ballnut
off
STOPS.
Gear
will
not
retract
and
gear
Manual
engage
handle
in
engaged
Disengage
manualsystem.
ad.
C/B
tn’ps.
position.
Aiaa3tdoes
Nose
wheel location
improper.
See
Section
32-50-02.
Gear
will
e~dend;
green
Lamp
burned
out
in
green
Replace
bumed
out
lamp.
Check
indicator-light
@ress-to-test)
will
indicator-light
circuit.
Down-limit
indicator-light
circuit
and/or
not
illuminate.
switch
is
inoperative.
down-limit
switch.
Actuating
motor
e>ctends
gear
to
Same
causes
as
listed
with
Same
remedies as
listed
with
an
intermediate
position.
"Incomplete
Retraction"
above.
"lncomplete
Retraction"
above.
Gear
will
extend
manually,
but
Gear
switch
is not
in
DOWN
Place
gear
switch
in
DOWN
green
indicator
light
will
not
position.
Lamp
burned
out
in
green
position.
Replace
bumed
out
lamp.
illuminate.
indicator
light.
Manual
system
will
not
lower
gear.
Actuator
internal
clutch
spn’ng
Replace
spring.
broken.
Manual
engage
arm
improperly
Rig
manual
engage
arm
properly.
ed.
32-32-00
17
OLDWILLWAYNE