SUPPLEMENT 18
ENGINE FIRE DETECTION SYSTEM
TBM
700
850
Page 9.18.7
Rev. 3
SECTION 7
DESCRIPTION
Pre--MOD70--0176--00 or Pre--MOD70--276--00 ”G1000 Integrated Flight
Deck”
The engine fire detection system enables the monitoring and indication of a
fire in the engine area.
The system includes :
-- 7 detectors
-- the control relay
-- the test push--button
The system also uses the advisory panel. The system is electrically supplied
by ”ESS BUS 1” bus bar and is protected by ”ADVISORY2” circuit breaker.
DETECTORS
The 7 detectors are secured on supports positioned in the most sensitive
engine areas. They consist of thermal switches detecting a temperature
greater than 200
°
C.
RELAY
The relay controls the illumination of the ”FIRE” warning light located on the
advisory panel. It is positioned on a base plate secured under the floorboard.
PUSH--BUTTON
The push--button enables the pilot to test the detection system by opening the
grounding circuit supplying the relay. It is connected in series with the 7
detectors. The push--button is located on the instrument panel on the L.H.
side of the advisory panel near the ”FIRE DETECT TEST” placard.
