Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1205 Guidelines for Developing Operation and Maintenance Manuals for Lifeboat Systems (26 May 2006) - Annex - Guidelines for Developing Operation and Maintenance Manuals for Lifeboat Systems - Appendix - Example Operation and Maintenance Manual for a Lifeboat System1 - 2 Method of checking proper closure of release hooks
2 Method of checking proper closure of release hooks
2.1 Safe use and operation of lifeboats during drills and inspection and maintenance is dependent on knowing that the release gear is properly reset.
2.2 Purpose of on-load release. The IMO LSA Code requires, among other things, that the lifeboat be fitted with on-load release capability which will release the lifeboat with a load on the hooks. The release mechanism shall be so designed that crew members in the lifeboat can clearly observe when the release mechanism is properly and completely reset and ready for lifting. . . . On-load release is needed for launching when there is a current, when the ship is making way, or potentially if there are waves which cause the hydrostatic interlock to only release intermittently. On-load release also allows an empty or fully loaded boat to drop from any height, which can kill or seriously injure the occupants. Therefore it is critical to know that the release gear is properly reset and the release handle secured.
2.3 Ensuring release hook closure. The first thing to check whenever entering the lifeboat when it is (or will be) supported by the falls is properly reset as follows:
| No. | Operation Guide | Schematic Diagram |
| 1 | Check that the reset
lever on each hook is horizontal and in contact with its
stop. <Activity in the lifeboat> |
|
| 2 | Check that the
release handle is in the closed (locked) position and safety pin is
installed. <Activity in the lifeboat> |
|
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