MOONEY INTERNATIONAL CORPORATION
M20V SERVICE AND MAINTENANCE MANUAL
Date
MAR 2017
Rev Date
Page
9
ward to enrich mixture. Pull control full aft to close
idle cut off, shutting down engine. Control is a
vernier type and fine adjustments of mixture can
be obtained by turning knob clockwise to enrich
mixture and counterclockwise to lean. Knob
should not be turned IN any closer than .030” to
.060” to panel nut face.
32. EMERGENCY LOCATOR TRANSMITTER
(ELT) SWITCH
ELT is activated when the ON button is pushed.
ELT returns to ’armed’ condition when the RE-
SET button is pushed. Refer to ELT description
elsewhere in this section on proper and lawful us-
age.
ARTEX ELT (optional): If the ELT switch is la-
beled ’ARTEX ELT’ then operation is different
from above. ELT is activated when the switch is
in the ON position. ELT returns to ’armed’ the
switch is in the ARMED position.
33. GO AROUND SWITCH
GO AROUND switch is activated when the GA
button is pushed. Reference G1000 Pilot’s Guide
for more detailed information on system function-
ality.
34. ALTERNATE STATIC SOURCE VALVE
Pull alternate static source valve full aft to change
source of static air for the altimeter, airspeed and
vertical speed indicator from outside of aircraft to
cabin interior. Air speed and altimeter readings
are affected slightly when alternate static source
is used (See Charts in SECTION V).
35. PARKING BRAKE CONTROL
Depress brake pedals and pull parking brake
control to set parking brake. Push parking brake
control in to release parking brake.
36. ALTERNATE AIR (ALT AIR)
The alternate air valve automatically opens when
the primary induction air system becomes
blocked for any reason. The valve may be
opened manually by pulling the ALT AIR knob aft.
An AMBER annunciator light will illuminate when
alternate air door is open.
37. CABIN HEAT CONTROL
Pull cabin heat control to turn cabin heat on. To
lower cabin temperature, cabin heat control is
pushed forward toward the OFF position. Opti-
mum use of cabin heat control is described in the
Cabin Environment Section.
38. DEFROST CONTROL
Pull defrost control to decrease air flow to lower
cabin area and increase air flow t o windshield
ducts in the front of glareshield area. Optimum
use of the defrost control is described in the Cab-
in Environment Section.
39. CABIN VENT CONTROL (Fresh Air)
Pull cabin vent control aft to open valve in mixing
box connected to cabin air inlet vent located on
the right side of the airplane. Optimum use of
cabin vent control is described in the Cabin Envi-
ronment Section.
40. ACCESSORY USB PORT
Universal Serial Bus: an external serial bus inter-
face standard for charging peripheral personal
devices; USB cable.
41. AIR CONDITIONING CONTROL (OPTION-
AL)
See description in “Supplemental Section” in this
POH/AFM.
42. TKS (OPTIONAL)
See description in “Supplemental Section” in this
POH/AFM.
43. 476 KEYPAD UNIT
The GCU 476 refers to the Garmin Flight Man-
agement System (FMS) Controller used in a
Garmin Integrated Flight Deck.
The GCU 476 Line Replaceable Unit (LRU)
provides alphanumeric, softkey, and flight plan-
ning function keys used to interface with a
Garmin Integrated Flight Deck. In addition to al-
phanumeric, softkey, and flight planning function
keysthe GCU 476providesCOM/NAVtuningca-
pabilities. The GCU 476 mounts flush to the air-
craft instrument panel using a jac kscrew.
44. CIRCUIT BREAKER PANEL
See details elsewhere in this Section.
45. OXYGEN SELECTOR SWITCH - Precise
Flight Oxygen System (Op tional)
See description in “Supplemental Section” in this
POH/AFM.
46. FUEL SELECTOR VALVE (NOT SHOWN)
Fuel selector valve, located on floorboard, is a
three position valve which allows pilot to select ei-
ther left or right fuel tank. Turning valve OFF,
shuts off ALL fuel to engine. At full throttle engine
will stop from fuel starvation in 2 to 3 seconds.
47. TRIM CONTROL WHEEL (NOT SHOWN)
Rotating trim control wheel forward lowers nose
during flight; rearward rotation raises nose of air-
craft during flight. If optional electric trim system
is installed, pushing both sides of split trim switch,
located on left hand portion of pilots control
wheel, will electrically trim aircraft.
39-10-00
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