INSTALLATION MANUAL
AIRCRAFT ENGINES
page 17 - 2
Initial issue, May 01/99
Effectivity: 447 UL SCDI, 503 UL DCDI, 582 UL DCDI /mod. 99
d00327
Fit silencer parallel to crankshaft axis with screw-on filter (2)
not pointing towards
propeller. The double intake silencer is available with either left or right hand side inlet
opening, to suit respective position.
With the silencer on a single carburetor engine, pay special attention when fitting, as
with an inclined silencer the intake situation is unsymmetrical, thus badly influencing
mixture distribution possibly leaning down one cylinder, leading to a rise of combus-
tion temperature and finally to piston seizure.
3
3
3
2
1
fig. 34
02955
fig. 35
02954
B038
A6
A
IR
FI
LT
E
R
M
U
S
T
B
E
S
A
FE
T
Y
W
IR
ED
RO
TAX
Summary of Contents for 447 UL SCDI
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