Instruction manual

PROFICIENCY IN SURVIVAL CRAFT AND RESCUE BOATS OTHER THAN
FAST RESCUE BOATS
5 23
3. H.R.U Type “ HKY -1 “
Hydrostatic release unit is a quick release device for inflatable liferafts.
In case of ship sinks, it will automatically release the liferaft within 2-4 metres of
water pressure.
Easy-breaking rope ( under appropriate pressure ).
Rope features include having a breaking strength of 2.2 ± 0.4KN and a 4mm
diameter.
Material : Stainless steel
5.5.6 Maintenance of hydrostatic release unit
a. All hydrostatic release units should be inspected for correct installation
and, if in doubt, correct installation information should be obtained from
the unit's manufacturer.
b. All hydrostatic release units should be serviced annually, concurrent with
the Inflatable Life Raft Service.
c. A record of the hydrostatic release unit's service should be kept on board
the ship.
d. An operation and instruction manual should be kept on board the ship and
all mariners should make themselves familiar with the hydrostatic release
unit's function.
e. Each hydrostatic release unit, other than a disposable unit, must be
serviced: within 12 months of its manufacture and within 12 months of
each subsequent servicing, except when servicing is delayed until the next
scheduled inspection of the vessel, provided that the delay does not
exceed 5 months;