60
SAFIR 5L
OPERATION AND ATTENDANCE MANUAL
PG 01-31
During start of the APU and main engines light signal lamp
„HIGH
TEMPERATURE EXHAUST GAS“
for more than 5 seconds
During the check EC is initiation of signaling
high-temperature exhaust gas is 850±15°C
YES NO
Replace EC
Check if CL and EGTP are free from defects
Repair connection of EGTP or CL
Replace EGTP, and/or CL
Control
lamp light
Check compressor and
turbine APU
Replace APU
Replace EC
Piping between APU and ASBV is tight
Remove
untightness
TEST
YES
YES
NO
NO
APU starting
Mine Engines starting
TEST
Turbine protection against high
temperature exhaust gases 800 ±15°C
Disfunction
Functional
Replace ASBV