De Havilland DASH8 100 Series Maintenance Manual page 22

WARNING:
(4) Apply electrical power to the aircraft.
(5) If the fuel temperature indicator is unserviceable or there is no power supply to the
indicator, the pointer on the indicator will move off the scale below −40°C (−40°F).
(6) If the fuel temperature indicator is serviceable and there is power supply to the
indicator, the pointer should read between −40 to +57°C (−40°F to +135°F).
(7) Remove electrical power from the aircraft.
MASTER
EFFECTIVITY:
D
S ERIES 100
AIRCRAFT MAINTENANCE MANUAL
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.
73−33−00
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Jan 15/2009