6.1.1 Turning
gear is to be provided for all engines to facilitate operating and
maintenance regimes as required by the manufacturer.
6.1.2 The turning gear for all main propulsion engines is to be power-driven and
is to be continuously rated at a value to ensure protection to the weakest part of the
machinery. Alternative proposals may be made subject to special consideration.
6.1.3 The
turning gear for auxiliary engines may be hand operated (manual) except
where this is not practicable, in which case the provision of Pt 5, Ch 2, 6.1 General requirements 6.1.2 is to be complied with.
6.1.4 The
turning gear for all engines is to be fitted with safety interlocks
which prevent engine operation when engaged, see
Pt 5, Ch 1, 3.10 Machinery interlocks. Indication of engaged/not
engaged is to be provided at all start positions.
6.1.5 The
remote control device of power-driven turning gear is to be so designed
that power is removed from the turning gear when the operating switch
is released.
6.1.6 Means
are to be provided to secure the turning gear when disengaged.
6.1.7 Overload
protection arrangements are to be provided to prevent damage to the
electric motor and the turning gear train.