MD Helicopters 369E, Rotorcraft Flight Manual

Page: 122 / 264

Normal Procedures
CSP − E − 1
ROTORCRAFT FLIGHT MANUAL
MD 500E
(Model 369E)
Revision 13 4 − 26
FAA Approved
4 − 13. ENGINE/AIRCRAFT SHUTDOWN
Care should be taken when rotating the twistgrip to the ground idle
position and from ground idle to the cutoff position if the helicopter
is parked on a icy or slippery surface (helicopter may spin in direc-
tion of main rotor blade rotation).
NOTE
: Shut down the engine before exiting the helicopter unless safety or operational
considerations dictate otherwise.
Pilot’s twistgrip
PERFORM
DECELERATION
CHECK
NOTE
: To insure proper engine performance, perform the deceleration check during
shut down after the last flight of the day (see paragraph 4
− 15).
Twistgrip to GROUND IDLE detent−hold for 2 minutes
SET
Collective stick
FULL DOWN
FRICTION ON
Cyclic stick (neutral position −approximately
1/3 from full aft)
TRIM TO NEUTRAL
APPLY FRICTION
All unnecessary bleed air and electrical
equipment
OFF
Pedals (maintain until rotor has stopped)
CENTERED
Twistgrip from GROUND IDLE to CUTOFF position
SET
NOTE
: Immediately after closing twistgrip to the CUTOFF position, a dual tachometer
needle split should occur with N
R
lagging behind N
2
. If no needle split occurs,
check overrunning clutch for proper operation per HMI.
To ensure throttle cutoff, hold twistgrip in cutoff position until N
1
decelerates to
zero and TOT is stabilized. Check for TOT decrease.
An afterfire (recognized by a rapid increase in TOT) can occur dur-
ing shutdown if fuel cutoff is not complete. If an afterfire occurs, im-
mediately engage the starter and motor the engine to minimize the
temperature encountered. To extinguish the fire, continue motor-
ing the engine with the twistgrip in the CUTOFF position and pull
out the fuel shutoff valve. Observe TOT limits.
CAUTION
CAUTION