Hub portante, come sostituire l'hub del cuscinetto su Daewoo Nexia Fai da te

Durante la guida su un'auto, è abbastanza spesso possibile osservare il verificarsi del ronzio caratteristico, che può sovrascriverlo nel tempo. Inoltre, cambia a seconda dello stato della superficie stradale. Su una buona strada - il ronzio scompare o diminuisce, quindi può sembrare che non sia necessario riparare, ma non appena le ruote vanno in una brutta strada - il ronzio appare di nuovo. Inoltre, ad alta velocità, è possibile ascoltare uno specifico goffrato. La ragione per l'aspetto di questi sintomi, di regola, è colpa del cuscinetto del mozzo. Vale la pena notare che se non si sostituisce un cuscinetto ronzante in modo tempestivo, quando la guida può essere inceppato, che è estremamente pericoloso e rappresenta una minaccia alla vita, quindi, con le minime manifestazioni dei sintomi di malfunzionamento sopra descritti, Dovrebbe essere sostituito dal cuscinetto del hub il prima possibile. Circa ulteriormente nell'articolo.

Hub del cuscinetto, che attività esegue

Il cuscinetto è un meccanismo che supporta parte del supporto. È in grado di mantenere l'albero, l'asse o qualsiasi altro elemento, ma in ogni caso, il suo scopo principale è la fissazione dell'albero nello spazio, che garantisce la sua distribuzione o rotazione gratuita. La seconda funzione del cuscinetto del hub è la percezione del carico meccanico, nonché il suo trasferimento ad altri elementi.

Il cuscinetto del mozzo è un meccanismo che è un cuscinetto rotante. Fornisce una rotazione regolare della ruota attorno all'asse. Questi cuscinetti sono a riga singola e doppia riga, oltre a tipo aperto e chiuso. Sono usati in passeggeri e camion. I cuscinetti della ruota per le ruote anteriori e posteriori differiscono significativamente l'uno dall'altro.

I cuscinetti del mozzo per auto sono costantemente soggetti a carichi estremi. Include elevate differenze di temperatura, impatto ambientale, la formazione di carichi d'urto durante l'inserimento dei pozzi, dello sterzo, dei freni, dell'unità. Vale la pena notare che il backlash non deve impedire la rotazione della ruota, che dovrebbe ruotare con attrito minimo e rumore ammissibile.

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Cuscinetto a rulli, dispositivo, vantaggi e svantaggi

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I cuscinetti a rulli sono molto suscettibili all'installazione, che, se non è eseguita in modo errato, è in grado di rimuovere istantaneamente la parte in ordine. I neofiti che non sanno di questa caratteristica dei cuscinetti a rotelle a rulli spesso ingannano i lavoratori senza scrupoli del STO, che producono la sostituzione di questo elemento alla mano dell'ambulanza e scarsamente.

Cuscinetto diagonale, dispositivo, vantaggi e svantaggi

I cuscinetti diagonali sono in grado di resistere a carichi pesanti e hanno una resistenza all'usura eccellente.

Tuttavia, il loro lavoro, come cuscinetti a rulli, dipende dalla giusta installazione (forte stringenamento), altrimenti falliranno.

Il momento del serraggio del cuscinetto, che cos'è e come una coppia del cuscinetto influisce sulla durata del funzionamento

Il momento del serraggio dei cuscinetti è un evento che dovrebbe essere fatto con precisione in conformità con le raccomandazioni del produttore del veicolo. Come già accennato, l'impostazione errata del cuscinetto comporta la sua rottura.

Se prima per la regolazione dei cuscinetti richiesti competenze speciali, nonché la presenza di strumenti speciali difficili da trovare in quel momento, allora oggi non ci sono problemi in questo senso. Ora ogni proprietario di auto può acquistare il toolkit necessario e ottenere dati che ti permette di controllare in modo indipendente lo stato dei cuscinetti e di altri elementi di auto.

Il cuscinetto del hub è difettoso, segni di rottura

I principali segni del malfunzionamento del cuscinetto del hub dell'auto sono:

  1. Forte ronzio o rumore che si sente da dietro il veicolo. Se il mozzo del cuscinetto è difettoso, il rumore diventa più quando si gira giri.
  2. L'aspetto del backlash nella ruota posteriore, che è accompagnata da rumore o toccamento.

Strumenti e infissi per la sostituzione del cuscinetto del hub, sicurezza

  1. Estrattore speciale.
  2. Martello.
  3. Pinze per smantellare un'anulare di stop.
  4. Chiave il 17.
  5. Un esagono chiave su 10.
  6. Cacciavite.
  7. Scalpello.

Prima della sostituzione, non dimenticare di mettere le barre anti-tartar sotto le ruote posteriori, e sotto il corpo - focus.

Sostituzione del cuscinetto della ruota anteriore, istruzioni passo passo

  1. Indossando i bulloni di fissaggio della ruota anteriore.
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  2. Rotolando il dado nave.
  3. Quindi, sollevare la macchina al jack e smantellare la ruota anteriore.
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  4. Troviamo un dado che fissa la punta dello sterzo, quindi svitarlo.
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  5. Usando un estrattore, viene premuto una punta dello sterzo.
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  6. Prendi l'ultimo dal rack anteriore.
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  7. Troviamo e rimuoviamo i due tappi metallici, il fissaggio del calibro calibro.
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  8. Svitare i bulloni calibri.
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  9. In modo che il calibro non interferisca, rimuoverlo, dopo di che appendiamo sul filo.
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  10. Quindi svitare la palla del supporto della palla.
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  11. Conosci il supporto della palla.
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  12. Rimuovere il disco del freno.
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  13. Ora dovresti svitare il dado dall'hub.
  14. Sotto il cappuccio indebolisce i due dadi in possesso di un rack su una tazza.
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  15. Torniamo verso la macchina e tiriamo giù la leva del supporto della palla.
  16. Quindi, tira il rack dalla scena, tuttavia, dovrebbe essere utilizzato qui per non tirare l'albero dell'unità.
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  17. Ora rimuovere completamente il rack.
  18. Quando il hub del cuscinetto si estende, c'è in realtà un anello interno.
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  19. Il cuscinetto viene eliminato e l'anello ha tagliato la smerigliatrice.
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  20. Il nuovo elemento è guidato delicatamente o inserito in posizione.
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Sostituzione del cuscinetto della ruota posteriore, istruzioni passo-passo

La sostituzione del cuscinetto del hub posteriore è realizzato nello stesso modo:

  1. Rimuovere la ruota posteriore.
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  2. I Mont sotto il corpo.
  3. Svitare i bulloni dell'asse del hub e del tamburo. Se necessario, splash wd-40.
  4. Rimuovere il tamburo del freno.
  5. Smontiamo il berretto del hub.
  6. Smontiamo il dado, attraverso il quale è vestito il tappo. Va accessibile, dopo di che tirando la pinza.
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  7. Rimuovere dall'asse l'anello interno del cuscinetto con i rimovili o semplicemente rimuovere l'asse svitando quattro dadi dal lato opposto.
  8. Con un cacciavite, rimuoviamo la clip e con l'aiuto di uno scalpello, abbattere con attenzione l'anello interno dall'asse.
  9. Prescriveremo un nuovo cuscinetto con l'aiuto di un vecchio clima.
  10. Dopo il montaggio, trasciniamo il dado, applicando un determinato sforzo.

Dopo l'operazione, dovrebbe guidare tre o quattro giorni. Quindi è necessario tirare di nuovo il dado per rimuovere il backlash.

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Suggerimenti Profi, come effettuare un lavoro correttamente, quale lubrificante è meglio usare per il cuscinetto

  1. È desiderabile sostituire i cuscinetti su entrambe le ruote posteriori o anteriori, indipendentemente dal fatto che il valore sia la parte lì.
  2. Scegli il lubrificante corretto sotto cuscinetti.
  3. È impossibile battere il martello sul cuscinetto, è necessario farlo con una tavoletta di legno.
  4. Nei nodi hub è impossibile mettere un divario, perché in fabbrica sono stati raccolti tenendo conto delle lacune.
  5. Quando si sostituisce il cuscinetto, assicurarsi di controllare la condizione dell'asse e il caso.
  6. Non è possibile regolare o spostare il sigillo sui nodi della ruota.

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