DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE: --
CHAPTER-
PAGE 3-14
MAINTENANCE MANUAL STEMME S12
3.4.4
AIR INDUCTION SYSTEM
SYSTEM DESCRIPTION
Refer to the »Maintenance Manual (heavy maintenance) for ROTAX Engine Types ROTAX 914
Series«, section 73.
The engine induction air is routed from the RH inlet cowl flap via a duct, an air filter, and a short
flexible tube to the turbocharger unit. Compressed air from the turbocharger is routed via two
tubes through the inter-cooler to the airbox. The inter-cooler, with a drain at its lowest point, is
installed on the RH side of the center fuselage frame.
Cooling air for the inter-cooler is taken from the RH inlet cowl flap, directed into the engine bay
and to the outside via the lower outlet cowl flap.
The airbox is supported by two rubber mounts on the diagonal strut of the turbocharger unit. The
airbox drainage lines are routed to the outlet cowl flap, in order to allow drained fuel to leave the
engine compartment.
3.4.5
ENGINE EXHAUST INCL. TURBOCHARGER AND ATTACHMENT
SYSTEM DESCRIPTION
Refer to the »Maintenance Manual (heavy maintenance) for ROTAX ENGINE TYPES 914 SERIES«,
section 78.
TURBOCHARGER ATTACHMENT
Five steel tube struts at aft engine mounts.
The turbocharger unit, consisting of turbocharger and muffler, is installed aft of the engine and
supported by five struts on the crankshaft housing. The turbocharger is supplied with oil by oil
suction and oil pressure pipes from the engine oil pump.
The exhaust headers are installed below the engine, constructed using original ROTAX connect-
ing elements. The headers are isolated from heat sensitive components. The exhaust headers are
attached to the turbocharger by springs, positioning the headers in spite of the thermal effects.
The exhaust headers are shrouded by a temperature-resistant glass-fiber-tape (Frenzelit Isotherm
1000). The tape terminals are fixed by special spring-loaded brackets.
The muffler is covered by formed elements of an insulation material (Frenzelit „Isosafe“ 12 mm).
To avoid heat radiation, heat protective shields (stainless steel) are installed close to the turbo-
charger unit. The exhaust pipe of the muffler is routed through a hole in the LH engine cowling.
In order to protect overflowing fuel from contact with hot exhaust system parts, drain lines from
the drip trays below each carburetor are routed to the lower cowl flap.
Содержание S12
Страница 1: ......
Страница 3: ......
Страница 97: ......
Страница 238: ......
Страница 240: ......
Страница 242: ......
Страница 244: ......
Страница 246: ......
Страница 248: ......
Страница 250: ......
Страница 255: ...A FLIGHT CONTROLS PITCH CONTROL AND TRIM ...
Страница 256: ......
Страница 257: ...B FLIGHT CONTROLS LATERAL CONTROL WING FLAP AILERON ...
Страница 258: ......
Страница 259: ...C FLIGHT CONTROLS AIRBRAKE CONTROL ...
Страница 260: ......
Страница 261: ...D FLIGHT CONTROLS RUDDER CONTROL ...
Страница 262: ......
Страница 263: ......
Страница 264: ......
Страница 265: ...E PROPULSION SYSTEM ...
Страница 266: ......
Страница 268: ......
Страница 270: ......
Страница 272: ......
Страница 274: ......
Страница 276: ......
Страница 278: ......
Страница 280: ......
Страница 282: ......
Страница 284: ......
Страница 286: ......
Страница 288: ......
Страница 290: ......