T-45C TS, ADV & IUT ENG-27/ENG-28
Engineering Review
2.
Engine start controls and indicators
Sg 14, fr 1
Engine Controls
a.
Controls
(1) IGNITION switch: two-position switch
marked IGNITION - NORMAL/ISOLATE
(a) NORMAL (guarded): controls
electrical power supply to ignition
system
(b) ISOLATE: deenergizes ignition
system (both engine and GTS)
(2) ENGINE start switch: three-position switch
marked ENGINE - START/ON/OFF
(a) START (spring-loaded to ON):
(b) ON: energizes start control unit
(c) OFF: manually shuts down GTS
operation and deenergizes start control
unit
(3) GTS start button momentary press switch
(a) Press (momentary):
(i)
Signals start control unit (SCU) to
start GTS
(ii) Energizes engine ignition circuitry
to the SCU and engine start
switch (with IGNITION switch in
NORMAL)
(b) Activates engine igniters for duration of
press plus 30 seconds with weight off
wheels
(9-98) Original
Page 27-137
Previous Page
