When resetting the CSD on the ground, the engine should be
- rotating at idle.
- stationary.
- rotating at Nsync.
Explanation from PART66Online
A constant-speed drive is reset by manually re-engaging its disconnect mechanism, which can only be done with the engine stopped. With the engine rotating the input shaft is turning, so the reset coupling cannot be re-latched and attempting it risks damage. Resetting is therefore a stationary, engine-off maintenance task.
M
max.steelame asked · 29 Sep 2018
but while connecting IDG the N2 should be rotating.
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