TM 1-1520-238-MTF
2-62
PROCEDURE
TROUBLESHOOTING
REFERENCE
ENGINE RUNUP – PILOT (CONT)
CAUTION
Delaying decrease of PWR lever may re-
sult in an engine/rotor overspeed.
a. ENG 1 PWR lever – LOCKOUT.
Note Np/Nr/NG increase. Then
immediately retard ENG 1 PWR
lever to a position midway between
FLY and IDLE.
CAUTION
To avoid engine damage, do not operate
engine steady-state between 24% – 38%
Np or in the 57% – 72% Np range.
b. NO. 1 PWR lever – Advance to a
position where both engine torques
are matched at 100% Np. Continue
advancing until ENG 1 torque is
approximately 10% greater than
ENG 2 and an increase in ENG 1
Np is noted.
c. NO. 1 PWR lever – Slowly advance
above 100% Np until HIGH RPM
warning light illuminates.
d. NO. 1 PWR lever – IDLE. Verify NG
is at idle speed.
e. NO. 1 PWR lever – FLY. Verify ECU
is reset.
