BRP ROTAX 914 Series, Руководство оператора

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Effectivity: 914 Series
Rev. 0 BRP-Rotax Page 3-9
August 01 2019
Throttle response
ATTENTION
After a full-load ground test allow a cooling run at idle speed to
prevent vapour formation in the cylinder head.
Step Procedure
1 Full throttle ground test (consult Aircraft Operators Man-
ual since engine speed depends on the propeller used).
Ignition check After engine warm – up and prior to take –off, check the two
ignition circuits at
4000 rpm (approx. 1700 rpm propeller).
Step Procedure
1 Speed (engine rpm) drop with only one ignition circuit
must not exceed
500 rpm (approx. 210 rpm propeller).
2 150 rpm (approx. 65 rpm propeller) max. difference of
speed (engine rpm) by use of either circuit, A or B.
NOTE
The propeller speed depends on the actual reduction ratio.
Propeller
governor
Check of hydraulic propeller governor:
Check control of the hydraulic propeller governor to specifica-
tions of the manufacturer.
NOTE
Cycling the propeller governor puts a relatively high load on the
engine. Unnecessary cycling or additional checks should be
avoided.