Cuprins:
Un model Liebherr legendar, funcțional după 57 de ani
Excavatorul în cauză este un model Liebherr R 901, unul dintre primele excavatoare compacte produse de compania germano-elveţiană. Cu o masă de 10 tone, acest utilaj s-a remarcat prin agilitate, silenţiozitate şi fiabilitate încă de la lansare.
În general, durata de viaţă a unui automobil este considerată remarcabilă dacă atinge sau depăşeşte un milion de kilometri în 20-25 de ani. Pentru camioane, 2-3 milioane de kilometri sunt mai frecvente, dar acumulate într-un timp mai scurt.
În cazul excavatoarelor, durata de viaţă se măsoară în ore de funcţionare. Mai puţin de 1% din excavatoarele miniere mari ajung să atingă 100.000 ore de muncă în durata lor de viaţă. Acest lucru subliniază caracterul excepţional al excavatorului Liebherr care a funcţionat timp de 57 de ani.
Proces complex de restaurare, realizat în timpul liber
Excavatorul Liebherr R 901 a lucrat decenii întregi într-o curte de reciclare a metalelor. După ce motorul diesel a cedat, utilajul părea destinat casării. Însă un tată şi fiul său, ambii constructori, au decis să-i ofere o a doua şansă.
Procesul de restaurare a inclus:
- Modernizarea cabinei şi a comenzilor conform standardelor actuale
- Revigorarea sistemului hidraulic
- Repararea profundă a motorului diesel
- Tratarea zonelor afectate de rugină şi revopsire
Toată munca a fost realizată în timpul liber al celor doi, demonstrând dedicarea lor pentru acest proiect.
Cu ocazia inaugurării unei noi porţiuni de drum în Germania, excavatorul restaurat a fost expus alături de un model Liebherr modern. Diferenţele sunt impresionante:
- Excavatorul din 1968: 10 tone
- Modelul R 978 SME actual: 80 tone
Compania Liebherr a apreciat efortul celor doi restauratori, oferindu-le distincţii personale.
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Cp652 09.12.2025, 08:55
Cu un excavatir nu poti construi case. Doar sapi santuri, eventual ridici si impingi greutati.
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