ENGINE – CONTROLS
1 LD SHARE switch
• TORQUE ....................................... Engines match in torque.
• TEMP ............................................ Engines match in ITT.
2 ENG 1/2 MODE switch
• OFF ............. Engine is stopped.
• IDLE ............ Engine is commanded to run at minimum
speed on ground (65% NF).
• FLT .............. Engine is commanded to run at flight nominal
speed (100% NF or 102% NF dependent on
the RPM selector switch (#8) on pilot
collective).
3 OEI switch
• Central position ........ OEI training not engaged.
• #1 (magnetic
retained) ...................
Engine 1 selected in OEI training
mode; Engine 2 simulated in OFF
mode on PDF only.
• #2 (magnetic
retained) ...................
Engine 2 selected in OEI training
mode; Engine 1 simulated in OFF
mode on PDF only.
4 START push buttons
• Pressed and
released ...........
Commands the relevant engine to start in
MANUAL mode. If pressed again during
starting in manual mode, aborts the engine
start.
5 ECL
• OFF ................... The relevant engine is shut down
• MIN .................... When in MANUAL mode sets the
minimum fuel flow
• FLIGHT .............. Permits full range of engine speeds to be
automatically adjusted by the EEC in
AUTO mode
• MAX ................... When in MANUAL mode sets the
maximum fuel flow
6 CHIP DETECTOR push buttons
• Pressed ............. Tests the relevant engine chip detector
test (caution ENG CHIP illuminated).
7 ENG 1 (2) GOV AUTO/MANUAL selector switches
• AUTO ........... Selects the relevant engine for Automatic
operation controlled by the EEC: allows the
automatic starting and the automatic control
of the engine.
• MANUAL ...... Selects the relevant engine for Manual
operation controlled by the ECL: allows the
manual starting / wet motoring / dry motoring
and the manual control of the engine.
8 RPM SELECTOR switch
• 100% ............................ Main rotor speed set at 100% RPM.
• 102% ............................ Main rotor speed set at 102% RPM.
9 TQ LIM push buttons
• Pressed ....................... Engages/disengages torque limiting
function.
10 ENGINE TRIM 1(2) SWITCH
• + ............................................. Moves the ECL towards MAX
• - .............................................. Moves the ECL towards MIN