3.3.9 DEFECTIVE ENGINE CONTROLS
• Engine RPM increasing and high vibrations:
1. Throttle - Full Power
If vibrations stops -
2. Keep Full Power, select landing area
3. Once above landing area, go to step 4
If vibrations continue or increase –
4. Throttle - idle
5. Fuel selector - off
6. Main Fuel pumps - pull circuit breaker
7. Aux Fuel pump - off
8. Perform emergency landing – refer to 3.3.4 EMERGENCY LANDING WITH
ENGINE OFF
• Throttle lever blocked or engine not responding to power inputs:
1. Throttle - keep current setting
2. Land as soon as practicable
3. Perform emergency landing on selected airfield – refer to 3.3.4 EMERGENCY
LANDING WITH ENGINE OFF.
NOTE
In case of throttle cable detached, the affected
carburettor will run on Full Power, causing load imbalance
between left and right cylinder banks and high vibrations
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