TM 55-1510-221-MTF
NOTE
The only requirement of the maximum pow-
er lever position check is to verify that it is
possible to obtain maximum allowable gas
generator RPM (NI) with the power levers
in the full forward position. If during the
test the TGT temperature limit or N1 limit
is obtained prior to reaching maximum N1,
the check is completed
1.
Altitude - 25,000 feet pressure altitude
2.
Propeller levers - Set 2000 RPM
3.
Ice vanes - Retracted
4.
Bleed air valve switches - OPEN
5.
Airspeed - As required.
6.
Power levers - Full forward (do not exceed TGT and/or N1
limits). Maximum N1 is 101.5% Maximum TGT is 750°C.
1.
Record the following.
*D.
SPEED CHECK AT MAXIMUM CRUISE POWER.
*a.
Engine serial number
*b.
Engine hours since new
*c.
Engine hours since overhaul.
2.
Altitude - Establish level flight at 16,000 feet pressure
altitude.
3.
Propeller levers - Set 2000 RPM.
4.
Adjust the opposite engine to maintain 160 KIAS
5.
Set engine torque as specified by the engine ac-
ceptance graph (figure 6) on the engine to be
tested.
4-4
