TM 55-1520-240-T
15-5.5.1 ENGINE HYDRAULIC STARTING SYSTEM OPERATIONAL CHECK (Continued)
15-5.5.1
TASK
RESULT
MOTOR NO. 2 ENGINE
7.
On the FADEC panel, set and hold ENG START
The NO. 2 ENGINE 2 N1 tachometer (9) must indicate 10
switch (7) to 2.
to 15% N1 as starter motors engine. If the engine does
not motor, go to task 15-5.6.1.
8.
Release the ENG START switch (7) to its center
The NO. 2 ENGINE (9) indication must decrease to 0%
position.
N1. If the tachometer indication does not decrease or the
engine continues to motor, go to task 15-5.7.
FOLLOW-ON MAINTENANCE:
TM 55-1520-240-23:
Battery disconnected.
Electrical power off.
Hydraulic power off.
END OF TASK
Change 23 15-97
