Mooney M20J - Page 164

SECTION VII MOONEY
AIRPLANE AND SYSTEMS DESCRIPTION MODEL M20J
7. VOLTAGE IWREGUURITY INDICATOR (VOLTS-WIGHILOW)
The red VOLTS annunciator light comes on designating improper voltage
supply.
A red blinking light designates low, or no voltage from the alternator;
a steady light indicates over voltage or
a trippage of the voltage relay.
8. START POWER ON INDICATOR
The START POWER ON light illuminates when the starter switch or relay has
malfunctioned and the starter is engaged while the engine is running Shut
the
engine off as soon as practicable. This light does not illuminate when Press-
to-Test switch is pushed.
9. RAM AAI RPOlTTlON INDICATOR
The amber RAM AIR annunciator light is a reminder that ram air system is in
operation when the gear
comes down and should be turned OFF to re-route
air through air filter.
10. DIM SWITCH
The DIM switch may be activated when the low fuel lights come on bright.
The switch will dim both low fuel lights but will not turn them off. To restore
the display to bright, press
the test switch.
4 4. EMERGENCY LOCATOR TRANSMITTER SWITCH
The ELT switch manually activates the emergency locator transmitter located
in the tailcone. To activate the
system pull the switch out and raise. Failure
to pull out can result in a breakage
of the switch. Reference should be rnade
to the Emergency Locator Transmitter description in this section for proper
and lawful usage of the
ELT.
12. OPTIONAL EQUIPMENT CONTROL SWITCHES
Refer to Section iX for description and operation of optional equipment in
stalled in this aircraft.
43. AVIONICS MASTER SWITCH
The avionics master switch operates a relay supplying power to the avionics
bus bar. Since the relay is energized to cut the power to the avionics bus,
failure of the relay coil will still allow power to the avionics bus. Energizing the
starter automatically energizes the relay and disconnects the radios from the
bus.
GROUND CONTROL
NOSE GEAR STEERING
The nose gear steering system consists of steering horn on the gear leg
linked to the rudder pedais by push-pull tubes and bellcranks. Gear
ietrac-
tion automatically disengages the steering mechanism from the nose wheel
and centers the nose wheel for entry into the wheelwell.
REV. B 6-12-87
7-16 ISSUED 6-2-86