TM 55-2840-231-23
9-6. Compressor Bleed Valve - Testing - Continued
ENGINE/ - Continued
3. Deleted.
AIRFRAME/
4. Engine
5. Bleed Valve
Have observer monitor the bleed valve.
Pilot and observer use helmets and extension
cord to passenger communication box.
observer use flash light.
Run up engine to
103%
N2.
a. Bleed valve is not
fully closed.
(1) Apply collective
until valve is fully
closed.
(2) It may be neces-
sary to increase the
aircraft gross weight to
avoid liftoff.
9 -
7
