4 Recovery operation
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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1205/Rev.1 - Revised Guidelines for Developing Operation and Maintenance Manuals for Lifeboat Systems - (26 June 2019) - Appendix - Example Operation and Maintenance Manual for a Lifeboat System1 - 4 Recovery operation

4 Recovery operation

 Outline of the resetting procedures is shown in the following figure.





4.1 Resetting procedure of release hook

The resetting procedure is to be in accordance with the following steps.



No. Operation Guide Schematic Diagram
1 Lift the fore and aft hooks and hold them closed.

<Activity in the lifeboat>



2 Simultaneously swing down the reset levers on both fore and aft hooks in one continuous action to contact with the stop.

<Activity in the lifeboat>



3 Confirm the fore and aft hooks are in the normal reset positions.

<Activity in the lifeboat>



4 Make sure that the release handle is in the closed (locked) position and insert the safety pin.

<Activity in the lifeboat>



4.2 Recovery procedure

The recovery procedure is to be in accordance with the following steps only after completing the release gear resetting.



4.2.1 Connection of the suspension link

No. Operation Guide Schematic Diagram
1 Manoeuvre the lifeboat to come under boat falls.  
2 Adjust the heights of the suspension links by raising or lowering the boat falls.

<Activity on the ship> and <Activity in the lifeboat> under good communication.



3 Insert the safety pin of the boat winch handbrake.

<Activity on the ship>

4 Connect the suspension links of the davit simultaneously to both, fore and aft hooks.

<Activity in the lifeboat>



5 Hoist the lifeboat just clear of the water and stop hoisting.

<Activity on the ship> and <Activity in the lifeboat>



6 Confirm that the hydrostatic interlock lever has moved to the "locked" position for the lifeboat not being waterborne.

<Activity in the lifeboat>



7 Where the resetting is incomplete, return to the first step.

Do not conduct recovery operation of the lifeboat unless the above procedures are fully completed.





4.2.2 Hoisting the lifeboat

No. Operation Guide Schematic Diagram
1 Hoist the lifeboat by operating the winch using the push-button switch following the instruction by the officer in charge.

<Activity on the ship>

2 Hoist the lifeboat until the winch is stopped by the limit switch.

<Activity on the ship>



No. Operation Guide Schematic Diagram
3 Disembark from the lifeboat.

<Activity on the ship> and <Activity in the lifeboat>

 
4.3 Stowage procedure

 
No. Operation Guide Schematic Diagram
1 Hoist the davit arm manually.

<Activity on the ship>



2 Confirm that the davit arm is in contact with the stop on platform.

<Activity on the ship>





No. Operation Guide Schematic Diagram
3 Detach the manual hoisting handle.

<Activity on the ship>

4 Set the davit arm stop immediately.

<Activity on the ship>



5 Insert the safety pin to the davit arm stop handle.

<Activity on the ship>

Note: Safety pins are generally intended only for use during maintenance or in port.



6 Lower the suspension block on the davit horn by releasing the handbrake of the winch.

<Activity on the ship>





No. Operation Guide Schematic Diagram
7 Install and tighten the auto release gripe, if fitted.

<Activity on the ship>



8 Connect the painter to the painter release hook on the bow of lifeboat.

<Activity on the ship>

Parent topic: Appendix - Example Operation and Maintenance Manual for a Lifeboat System footnote
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