TM 55-2840-231-23
1-68. Engine Operating Procedures . Continued
LOCATION/lTEM
REMARKS
ACTION
5. TEST STAND/
Take off
Takeoff is established with the N1 throttle
lever at maximum (90o), the governor lever
positioned to produce 100% N2 and the
engine loaded to produce 1380°F (749°C)
GPTOT. Other determining factors are:
N1 speed = 104% max
Torque pressure = 100 psi (7.03 kg/sq
cm) max
6. TEST STAND/
Normal Shutdown
7. TEST STAND/
Emergency Shutdown
If time permits, position the test set switches
and controls as outlined in TM 55-4920-328-
13.
Place N1 throttle lever
to ground idle (30°)
position the governor
lever to the minimum
position.
Stabilize at idle for
two minutes.
Move N1 throttle lever
to fuel cutoff (0°) posi-
tion.
Shut down the test stand
as outlined in TM 55-4920-
328-14.
Press instrument power
off switch and move
N1 throttle lever to the
fuel cutoff (0°) position.
1-148 Change 3