Sudden Drop In Boost Pressure And Speed; Sudden Increase In Boost Pressure And Speed; Periodic Rise And Fall In Boost Pressure And Speed; (Vibration Of Turbo Control Unit) - Rotax 914 Series Maintenance Manual

2.13) Sudden drop in boost pressure and speed

Carry out visual inspection of the engine, in particular the turbocharger and the
air intake system.
- Check oil consumption - oil level check. See 12-00-00, sec. 5.1).
- Check wiring. See 12-00-00, sec. 6.1).
▲WARNING: If there is damage to the turbocharger, the engine must be sent
If no mechanical damage is detected during the visual inspection, check the
boost pressure control. See sec. 13.6.

2.14) Sudden increase in boost pressure and speed

▲WARNING: The engine must not be put into operation until the cause has
Carry out visual inspection of the engine, in particular the turbocharger and the
air intake system.
- Check wiring. See 12-00-00, sec. 6.1).
If no mechanical damage is detected during the visual inspection, check the
boost pressure control. See sec. 13.6.
■ CAUTION:
2.15) Periodic rise and fall in boost pressure
and speed (vibration of turbo control unit)
▲WARNING: The engine must not be put into operation until the cause has
Carry out visual inspection of the engine, in particular the turbocharger and the
air intake system.
- Check wiring. See 12-00-00, sec. 6.1).
If no mechanical damage is detected during the visual inspection, check the
boost pressure control. See sec. 13.6.
■ CAUTION:
Effectivity 914 Series
Edition 1 / Rev. 0
BRP-Rotax
MAINTENANCE MANUAL
to the authorized overhaul facility for overhaul.
been ascertained and the fault remedied.
If the permissible operating limits are exceeded or values fall
below the minimum, the corresponding checks must also be
carried out.
been ascertained and the fault remedied.
If the permissible operating limits are exceeded or values fall
below the minimum, the corresponding checks must also be
carried out.
05-50-00
page 17
May. 01/07