TM 55-1510-222-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
LOW SPEED SYSTEMS CHECK (CONT)
a. Airspeed - 178 KIAS.
b. Landing gear control circuit
breaker - Out (pulled).
c. Landing gear control switch -
DN.
d. Landing gear alternate exten-
sion lever - Unstow.
e. Alternate landing gear exten-
sion lever - Pump.
f. Gear down indicator lights (3)
- Monitor. Stop pumping lever
when gear down indicator
lights are illuminated or resis-
tance is felt.
NOTE
Eighty or more strokes of the handle could
be required to fully extend the landing gear.
g. Alternate extension lever -
stow.
DESCENT AND LOW LEVEL CRUISE
*1. Maximum rate (Vmo) descent. If
the test pilot is satisfied that the
entire aircraft is functioning prop-
erly perform the maximum rate de-
scent check as follows:
a. Power levers - IDLE.
b. Propellers - Set 1700 RPM.
c. Pressure altitude - Above 18,
000 feet.
2-60
