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7 Cards in this Set
- Front
- Back
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What permissives does battle override bypass? |
PT speed limiting PT torque limiting PLA actuator system failure Lube scavenge temp high shutdown 300 rpm system reset latch out Fuel shutoff valve current monitoring GG speed step to idle on high vibration |
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What does ECM mode selector do? |
Sets the GT operating mode to automatic or auxiliary |
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What conditions indicate icing? |
Below 5°C and above 70% humidity |
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What are the vibration parameters? |
GG max alarm - 4 mm GG max step to idle - 7mm PT max alarm - 7mm PT max step to idle 10mm |
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What will cause ESTOP OF GT? (Start up) |
NGG failed to reach 1200 in 20 seconds T5.4 failed to reach 204°C in 40 seconds of ignition NGG failed to reach 4500 in 90 seconds |
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What causes ESTOP OF GT? (Running) |
Flame out <204 deg T5.4 @ 918 deg+/-5 Fuel manifold pressure <12 bar for 10 seconds Fuel shutoff valves under/over current GLOSS CCGB pressure <0.5 bar instantly (<1 bar 15 seconds) LOSCA pressure < 0.42 bar instantly (<1 bar in 5 seconds) Scavenge oil temp > 170 deg PT overspend 3960 +/- 40 rpm PT loss of speed signal (A+B channel) ECM failure |
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What does the shutdown interlock bypass? |
In the event of failure to light off (when T5.4 fails to reach 200 deg during a start) Low oil supply pressure (less than 0.42 bar) High pressure turbine inlet temp (T5.4 reaches 918 deg) |
