WARNING:
MAKE SURE THAT ALL PERSONS IN THE AREA OF THE
AIRCRAFT ARE TOLD BEFORE THE ELECTRICAL SYSTEM IS
ENERGIZED. IF YOU DO NOT DO THIS, YOU CAN CAUSE
INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(6) Apply electrical power to aircraft.
(7) Push and hold the PRESS TO TEST push button on the (NH) indicator. Check that
the analog pointer aligns with the unlit blue dot at 105 and the digital display shows
105.0.
(8) Release the PRESS TO TEST push button on the (NH) indicator. Check that the
analog pointer and digital display show 0.
(9) On the overhead console, rotate the ENGINE PANEL lighting selector from OFF to
BRT. Check that the (NH) indicator back lighting varies from off to bright.
(10) Do an operational test of the NH Speed Indicator auto relight system for aircraft with
ModSum 8Q100813, (refer to Chapter 77−12−11).
(11) Do an engine start (refer to Chapter 71−00−00).
(12) Check for correct operation of the (NH) indicator.
(13) Shut down engine (refer to Chapter 71−00−00).
D
SERIES 100
AIRCRAFT MAINTENANCE MANUAL
MASTER
EFFECTIVITY:
77−12−00
Page 202
Jun 20/2005
