MAN05MGO5
INSTRUCTIONS JIB CRANE SERIES GBA - GBP
57
6.5.1 Main types of failure or breakdowns and possible solutions
In the columns of the table that follows the main conditions of bad functioning are shown, which can be reasonably
foreseen and the type of problem, the potential cause of the breakdown and possible solutions.
6.5
Breakdowns and solutions
6.5.2 Authorised staff for intervention in case of breakdown
The staff authorised to intervene in most cases of breakdown, or where not indicated differently, are expert
maintenance people or trained with a specific preparation on mechanical and electrical parts. Where shown,
however, the intervention of specialised suitably-trained staff or the technical staff of the manufacturer is necessary.
6.5.3 Putting out of service
If the jib crane cannot be repaired, proceed to the putting out of service operations, signalling the breakdown with
a sign; request the intervention of the assistance service.
•Thedemolitiionofthejibcranemustbecarriedoutusingsuitableequipmentchosenaccordingtothenatureof
the material on which to intervene (e.g.: shears, oxyhydrogen flame, saw, etc...)
•Allthecomponentsmustbedismantledandscrappedhavingbeenreducedtosmallpiecessothatnoneofthem
can reasonably be used again.
•Whenthejibcraneisscrappedtheirpartsmustbedisposedoftakingintoaccountthedifferentnatureofthem
(metals, oils and lubricants, plastic, rubber, etc.) using possibly specialised companies and in any case according to
what the relevant law requires regarding solid industrial waste.
If the jib crane or its components, whether broken, worn out or at the end of their
designated life, should no longer be usable nor repairable their demolition must be carried
out.
6.6
Dismantling, disposal and scrapping
Donottrytouseagainpartsorcomponentsofthejibcranewhichlookintactbut,afterchecksand/
orreplacementscarriedoutbyspecialisedstaff,orbythemanufactureritself,havebeendeclaredno
longer fit for use.
Rotation is blocked
Difficult rotation
Instability of the positioning
of the arm
•aforeignbodyhasenteredtherotation
•seizureofthebearings
•scantlubricationofthebearings
•excessiveleaningoftherotationaxis
•removetheforeignbody
•replacethebearings
•lubricate
•checktheverticalityofthecraneandtheclampingofthe
fixing system.
Possible causes of breakdown
Possible solution
Type of failure
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