INSTALLATION MANUAL
AIRCRAFT ENGINES
page 17 - 4
Initial issue, May 01/99
Effectivity: 447 UL SCDI, 503 UL DCDI, 582 UL DCDI /mod. 99
d00327
17.2)
Air filter
Only air filters approved by ROTAX are permitted for use. The air filters
specified by ROTAX are special K & N air filters. Dry filter elements of
paper are not allowed for humid operating conditions, as they absorb
water, thus reducing the air intake leading to enrichment of the fuel/air
mixture.
Two kinds of filter design are applied on these engines:
- Single air filter
- Double air filter
With 2 carburetors on engine, either 2 single air filters or 1 double air filter
may be fitted.
■
WARNING:
Always secure air filters against loss.
B020
B4
RO
TA
X
A
IR
F
IL
T
E
R
M
U
S
T
B
E
S
AF
ET
Y WIRE
D
R
O
T A
X
R
O
T A
X
R
O
T A
X
R
O
T A
X
A I R F I
L T E R
M U S T
B E S A
F E T Y
W I R E D
D O 8 4
A 6
fig. 37
02820
02819
Summary of Contents for 447 UL SCDI
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