TM 55-1510-215-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
b.
Propeller levers - HIGH RPM (full
forward).
c.
Power levers - Set 2000 RPM.
d.
Torquemeter - Read and record
torque.
e.
Power levers - IDLE.
f.
Torque reading taken in step d. must
equal the corrected torque read from
figure 1 in step a. within ± 60 ft-lb.
17.
Aircraft - Turn into wind.
*18. Engine acceleration - Check as follows:
a.
Condition levers - HIGH IDLE.
E2
b.
Turbine
tachometers
Verify
that
engine accelerates smoothly from 50-
53% N1 to 70-73% N1 in not more
than
four
seconds.
Time
to
accelerate will vary with temperature,
altitude, and engine specification.
*19. Secondary idle stop- Check:
F1-6
a.
Condition levers - HIGH IDLE.
b.
Power levers - IDLE.
2-19
