STEMME S12, Maintenance Manual

Page: 41 / 290

DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE: --
CHAPTER- PAGE 3-7
MAINTENANCE MANUAL STEMME S12
The lower center section of the instrument panel comprises a row of levers and switches. Any
switches, except a switch to select voltmeter indication at the upper RH panel, are systematically
arranged here. The red handle for canopy emergency jettison is installed LH of the row of switches.
Sequence of levers and switches, starting from the left, is:
1. Red handle for canopy emergency jettison,
2. Landing gear lever with three positions (down: extension, center: neutral (electrically
de-energized), up: retraction),
3. Switch for auxiliary fuel pump,
4. Fuel selector switch (positions “LEFT”, “BOTH”, “RIGHT”)
5. Electric master switch,
6. TCU emergency switch to isolate waste-gate actuator and TCU control in case of
malfunction (switch is guarded with a red protecting plate for unintended operation),
The control elements for propeller and nose-cone (propeller brake, propeller positioning and nose-
cone handle) are arranged below the row of switches in the center console. In the same area the
canopy ventilation knob and the ignition/starter switch (positions OFF, Right, Left, BOTH and
START) are installed.
The following figure »3.2.3.a Arrangement of Elements on the Instrument Panel« shows layout
and arrangement of the instrument panel of the aircraft serial number as indicated on the title
page, including control elements, monitoring devices and CB´s.