WHEN STARTING ENGINES, IF EITHER ENGINE FAILS TO ACCELERATE TO FLIGHT SPEED:
Restart suspect engine first, followed by the good engine. If either engine
will not engage, always shut down the engine that will not engage first.
Troubleshoot in accordance with TM 55-1520-240-T. If it is determined that the
engine is not the problem, the engine transmission(s) may have a defective
clutch. Replace engine transmissions which failed to engage during the first
and second starting sequence.
WHEN CO2 IS APPLIED TO THE ENGINE:
a. If CO2 is applied into the air inlet while the engine is hot or rotating, perform
a hot end inspection. Refer to TM 55-2840-254-23. Inspect the area subjected
to CO2 for cracks.
b. If CO2 is applied into the tailpipe or other engine areas while the engine is
hot or rotating, inspect the area subjected to CO2 for cracks.
6, 7, 8
WHEN STEADY STATE TORQUE LIMITS HAVE BEEN EXCEEDED FOR 10 SECONDS OR MORE:
a. Replace any engine transmission if 150 percent torque is exceeded on