Temperature; General .,,,,,,.,,,,,5; Landing Gear System; Flight Control Systems - Mooney M20L Service And Maintenance Manual

MOONEY AIRCRAFT CORPORATION
MODEL M20L
SERVICE AND MAINTENANCE MANUAL
5-00-00
-GENERAL
co-pilot's rudder pedals
are
removable. The
AIReRAF~ DESCRIPTION. The-M2OL series
t'i-m
system sets
the stabilizer angle of attack.
ol' aircraft
are
f(,ur place hiph-pcrk,rmance
5-00-03
WING FLAP SYSTEM
single-engine low-wing monoplanes. Theall-
metal airframe has
a
tubular-steel cabin frame
Wing flaps
are
electrically actuated and
are
covered with nonstructural aluminum skins,
a
controlled by
a
spring loaded "up-off-down"
switch
on
the
center
console.
semi-monocoque tailcone, and
a
full-cantilever
Inminar-now
wing. Control surfaces have
slruc-
5-00-04
ELECTRIC POWER SYSTEM
tural
spar
construction with stressed
skins
riveted
to
the
spars
and ribs. Dual controi
1.
The
master
switch and
power
relay
con-
wheels accompany the conventional night
con-
trol the electrical power
system,
comprised of
two
70 amp, 28 volt alternators w/ integrated
trols. The pilot's rudder pedals have
toe
brakes
voltage regulators, and
two
24
volt
22 AMP HR
linked
to
individual hydraulic cylinders that
batteries. The alternator
system
has
an
overvol-
supply
pressure
to
the hydraulic dise brakes
on
rage
protective relay
and
an
overvoltage
annun-
each main gear wheel. Removable co-pilot rud-
der
pedals
are
standard equipment. The
ciator light. Circuit breakers
or
circuit
breaker/switches
protect
the electrical
wiring
tricycle landing
gear,
having
a
steerable
nose
wheel controlled by rudder pedal action,
is Fully
and equipment from overloads.
Standard
retractable. The wide-sgan trailing-edge wing
electrical
equipment includes:
two
100
watt
flaps
are
electrically operated. For
stabilizer
landing lights,
two
100
watt
taxi lights, naviga-
lion lights, interior lights,
gear
and stall warning
trim, the entire empennage pivots vertically
system,
three electric fuel
Dumps, an
electric
about its attaching points.
starter,
an
electric
gear
retraction
system
with
5-00-01
LANDING GEAR SYSTEM
manual extension override and
an
electric
flap
The electric landing
gear
system
has
a
steerable
System.
nose
wheel. Single dise
self-adjusting hydraulic
5-00-05
INSTRUMENTS
brakes
are
featured
on
the main gear. Gear
All night instruments
are
in the shock-mounted
position lights,
a
warning horn and
a gear
Dosi-
lion indicator
on
the noorboard
are
standard
night panel. Engine
instruments
are
in the
pilot's panel. The pitot
system
provides
air
equipment. Bungee springs assist in prcloading
the retraction mechanism in
an
over-center
pressure
to operate
the airspeed indicator. The
instrument static
pressure
system
has
two
static
position
to
lock the
gear
down. A
properly
air pickup
ports
tone
on
each side of the ~ail-
rigged air pressure actuated safety
s\vitch in the
cone)
that
open
to
the atmosphere. An
altcr-
electrical
system
prevents
electric
gear
rctrac-
nale
static
source
control is provided
on
the
Lion
on
tak'eoll
until
a
safe flying speed is
at-
center
console.
The instrument
panel lights
rained.
A gear
warning
horn sounds when the
come on
when the
Navigation lights
are
turned
power lever is approximately
3/8
to
114 inch
out
on.
Dimming
is controled
by
switches located
from panel while Lhe landing gear is up.
The,
on
the
center
console. They
are
momentary
electric, gear retraction
system
has
a
manual
ex-
tensicln
system
connected
to
the
gear
actuatar
type
switches; push
top
of switch and hold until
the desired illumination is
obtained, then
which permits manual lowering of the gear in
the
event
of
an
electrical malfunction.
release. Push bottom of switch and the
lights
will dim.
5-00-02
FLIGHT CONTROL SYSTEMS
5-00-06
CABIN HEATING
Dual Ilight control
systems
can
he operated
VENTILATING SYSTEMS
from either the
pilot
or
co-pilolseat. All night
Th, heater muff
encasing the exhaust
system
is
controls
are
conventional in operation, using
the cabin heal
source.
Hot
air from the heater
pushpull tubes
to
link the control surfaces
to
,,rr,i~,d
with ambient air controls cabin
the control wheels and rudder pedals.
Formica
temperature.
Air routed from the main healer
guide
blocks maintain control tube alignment
duct
system to
nozzles
at
the windshield base
and dampen
vibration.
An
interconnect spring
defros;s
the windshield.
mechanism links the aileron and rudder
systems
to
assist in control coordination. The standard
5-(K)-(H)