In cases where the propeller shaft may rotate faster
than in normal operations, e.g. boat under sail, a tem-
perature gauge should be installed for monitoring the
oil temperature.
Max. permissible temperature for ZF reverse gears is
95°C (203°F).
When the above-mentioned regulations cannot be
met, or when the shaft needs to be stopped or reasons
of comfort, a shaft brake must be fitted. On isolated
occasions the propeller shaft flange may be locked in
a suitable manner instead.
Optional
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