SA 160
AIRCRAFTA I R C R A F T
Symphony
AIRCRAFT
CAUTION !
(g) Cooling System
The engine cooling air enters through two intake openings located in
front of the engine cowling on both sides of the propeller. The air is
then directed by air baffles around the cylinders and other relevant
areas of the engine. The air is discharged through an opening at the
bottomrearedgeofthecowling.
(h) Exhaust System
The exhaustsystem is constructed of stainless steel and incorporates a
main exhaust with a heater shroud and a secondary exhaust. The
heater shroud supplies heated air for the cabin and the defroster
system.
Thecapacityoftheenginesumpis7,6Liters(8U.S.quarts).
The oil passes through an oil suction strainer screen into the engine
drivenoilpump,andthentotheenginepartstobelubricated.
A bypass valve on the oil pump allows cold oil passage and directs hot
oil from the engine to the oil cooler. After the cooling oil return, it
passesthefull-flowoilfilteragainandintotheengine.
The oil pressure is held constant by an oil pressure relief valve, which
allowsexcessiveoiltoreturntothesump.
Afterlubrication, the oil flows back into the sump again bygravity.
The oil filler cap/oil dipstick for oil level check is located at the right
rear of the engine. It is accessible through a small access door on the
toprightsideoftheenginecowling.
The engine should not be operated on less than 5 Liters (5,2 U.S.
quarts)ofoil.
SECTION 7
DESCR. & OPERATION
7-29
Feb 25, 2005
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