Deck Crane Rocking Test Procedure
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Procedure for testing and examining lifting appliances and loose gear.
Deck crane rocking test procedure. The crane owner is responsible for the physical experimental test. Tabulate and indicate fault finding procedure. Rocking test means checking the condition of the slew bearing of the deck crane. What is the action taken if.
What is rocking test of deck crane. Lloyd s register surveyors are being instructed to review the results of rocking tests at all future annual thorough surveys. Bad weather windy situations are avoided. Explain the procedure of rocking test.
It s an important items of the crane and if not grease properly the slewing bearing may become worn with bad results. 2 44k views december 8 2019 mep. Follow the maker s recommendations and conduct the test at the same check points as during the initial test during commissioning in order all subsequent. Npcc only offers the periodical survey procedure as an option for cranes built by our company this procedure helps the crane owner to renew or update cargo certification after a certain period of time.
Slewing bearing for deck crane necessity of periodical rocking test ref as dc08 003 r1 issue. The measurement could be done from the inside and outside of pedestal. Before climbing on the crane first thing i do is to check the condition of the crane from outside. Explain the procedure of rocking test.
It is a test which is carried out to find wear down of the slew bearing of the deck crane on ships this measures the play or relative movement between the inner and outer bearing race to give an indication of the wear taking place. Joyson dsouza 17 august 9 2019 0 comments what is rocking test of deck crane. Npcc provides customized procedures according to varying load bearing technical parameters. 1 every winch together with its accessories including any derrick gooseneck eye plate eyebolt or other attachments should be tested with a proof load which should exceed the safe working load as follows.
Rocking tests are carried out every six months and that the results are recorded and monitored in order to ensure the wear tolerances remain within the limits. August 2009 revise. Preparation the ship is adjusted to have least possible trim preferably on even keel. Although cranes with single ball race slew bearings are considered to be most at risk rocking tests on all deck cranes where recommended by the crane manufacturer must be carried out and the results must be recorded.
Slewing bearing is one of the most important components of deck crane so it is very. Procedure of rocking test of deck crane.
