d04094
page 10 - 15
Jan. 01/2007
Effectivity: 447 SCDI, 503 DCDI,
582 DCDI
OM Edition 1 / Rev. 0
BRP-Rotax
10.3.5) Prior to take-off
Warming up period:
Start warming up period at 2000 engine r.p.m. for approx. 2
minutes, continue at 2500 r.p.m. until operating temperatures are
reached.
— Verify that temperatures and pressures are in operational
range prior to take off.
Throttle response:
— Short full throttle ground test (consult Aircraft Operator's Manual
since engine speed depends on the propeller used).
■ CAUTION: After a full-load ground test, allow a short cooling
run to prevent vapour formation in the cylinder
head.
10.3.6) Checking of ignition unit (not possible for 447 UL SCDI)
Before every flight or operation, the function of the two ignition
systems must be checked. For checking the ignition unit the engine
must be operated at 3000 to 3500 1/min and alternately ignition
system 1 and 2 must be switched off. The RPM-drop must not
exceed max. 300 1/min.
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