MC250 page 38 of 78
MC250 Rev.02-USA (+34) 944 71 16 00 (+34) 944 53 17 54 export@alba.es www.alba.es
3.3. Emergency descent
The MC250 has a lever on the motor that will allow emergency lowering in the event of a
powerfailure.
3.4. Checking hoist operation before commissioning
Beforehoistcommissioning,hoistserviceresponsiblehastocheckifhoistisincompliancewith
followingpoints:
Hoistisinstalledwithalloperationalsafetysystems:
Portablecontrolbuttonsworkcorrectly
Superiorendtrackswitchstopshoistbeforereachingsuperiorendtrackbuffers.
Inferiorendtrackswitchstopshoistbeforereachingbasebuffers.
Mastpresencedetectorworkscorrectly.
OUTOFSERVICEredlightindicatorworkscorrectly.
No existen interferencias entre el elevador y elementos exteriores, mástil, anclajes,
There´snointerferenceofhoistandexternalitems,mast,ties,supportingstructure.
Inferioraccessareatothehoistisdemarcatedandprotectedproperly.
WARNING:
Theoperatorshouldmovetheleversmoothlysothattheemergencyloweringoccurs
slowly.Iftheparachuteactivationspeedisexceeded,itwilllock,preventingdescent.