Mooney M20K - Landing Gear Safety Override Switch

MOONEY
AIRCRAI=T
CORPORATION
M20K
SERVICE
AND
MAINTENANCE
MANUAL
TROUBLE
SHOOTING
GUIDE
FOR
CLUSTERS
(con’t.)
TEMPERATURE
INSTRUMENTS
GAUGE
CONDITION
CHECK FOR
MESE
POSSIBILITIES
Gauge
reads
full
scale
with
Wire
between
sender
and
gauge
engine
cool
or
cold.
grounded.
Defective
gauge.
Defective
sender.
Gauge
reads
zero
when
Wire
between
sender
and
gauge
is
engine
is
hot.
open
or
disconnected.
Defective
gauge.
Defective
sender.
FUEL
SYSTEM
GAUGE
CONDITION
CHECK
FOR
MESE
POSSIBI1ITIES
Gauge
indicates
tank
empty.
Grounded
wire
hehveen
sender
and
gauge.
Defective
sender.
Inoperative
gauge.
Gauge
indicates
past
full Open
sender
lead.
when
tank
is less
than
full.
Open
sender
(open
resistance
element).
Sender
not
properly
grounded
to
airframe.
Gauge
off
calibration.
Note:
Some
dusters
are
equipped
with fuel
gauges
that have
tn’m
pots
and
may
need
re-calibration.
Gauge
indicates
1/2
when
On
dual
sender
systems,
the
tank is full.
isolated
sender
may
be
grounded.
The
lead
between
the
isolated
sender
and
the
grounded
sender
is
grounded.
Either
sender
defective.
Gauge
out
of calibration.
39-1192
LANDING
GEAR
SWITCH
3.
Tum
wheel
shaped
knob
counterclockwise
to
remove
from
stem.
The
landing
gear
switch
is
a
two
position
switch
4. Remove
nut
and
washer
from
face
of
switch
and
located
at the
top
n’ght
side
of the
flight
instrument
push
switch
through panel.
panel.
The
wheel
shaped
knob
must
be
pulled
aft
pn~or
to
raising
or
lowering
the
switch
to
activate
the
landing
39-11-03
LANDING
GEAR
SAFEN
OVERRIDE
gearactuator.
SWITCH
i.
The
glareshield
will
require
removal
to
gain
The
landing
gear
safety
ovenide
switch
is
located
access
to
switch
for
maintenance
action
(refer
to
adjacent
to
landing
gear
switch.
Proper
operation
of
Section
39-10-01).
landing
gear
safety
system
will
not
allow
gearto
retract
below
65
+7/-4
KIAS.
2. Remove
wire
connections
from
back
of
landing
gear
switch.
39-11-02
OLDWILLWAYNE