TM 1-1520-238-MTF
Change 1
2-94
PROCEDURE
TROUBLESHOOTING
REFERENCE
ENGINE SHUTDOWN (CONT)
*22. Emergency hydraulics – Check as
required.
*a. UTIL ACC pressure – Note.
b. CPG EMER HYD PWR switch –
ON. Verify one full up and one full
down stroke of collective travel
available; then OFF. No movement
of rotor system possible.
c. Pilot EMERG HYD PWR switch –
ON. Verify one full up and one full
down stroke of collective travel
available. Verify cyclic and pedals
have some hydraulic assistance
remaining until UTIL ACC pressure
is zero.
d. Pilot EMERG HYD PWR switch –
OFF.
NOTE
On postflight, note nitrogen charge on accu-
mulator at GSE panel is approximately 1650
PSI.
**23. CANOPY JETTISON pins – Installed.
**24. BATT switch – OFF.
**25. MASTER IGN – OFF, key removed.
A7
