oli en els motors de combusti\u00f3<\/a> permet que les seves peces internes que interactuen entre si tinguin un coeficient de frec m\u00ednim, la qual cosa fa que la fricci\u00f3 entre elles sigui summament baixa evitant problemes de reescalfament, fusi\u00f3 i deformaci\u00f3.<\/p>\n\n\n\nQuan el nivell d’oli en el motor comen\u00e7a a descendir els problemes no triguen a fer-se presents, les peces internes comencen a sofrir desgast degut a l’augment en el nivell de frec entre metalls a certa velocitat i temperatura, i en pocs minuts el funcionament del motor es veur\u00e0 afectat.<\/p>\n\n\n\n
Sense els nivells adequats d’oli, el soroll del motor sonar\u00e0 diferent a l’habitual, \u00e9s a dir, que es convertir\u00e0 en un soroll m\u00e9s fort o met\u00e0l\u00b7lic a causa del frec entre les peces met\u00e0l\u00b7liques. El funcionament del motor ser\u00e0 irregular a causa de la deterioraci\u00f3 accelerada d’alguns dels seus components per l’augment de fricci\u00f3.<\/p>\n\n\n\n
Si s’aconsegueix detectar que el motor no t\u00e9 suficient oli estant encara al ralent\u00ed, \u00e9s molt possible que es pugui salvar el propulsor. En els casos on la fugida d’oli sigui molt gran i es produeixi amb el motor en marxa, si no es para a temps, les conseq\u00fc\u00e8ncies es notaran en q\u00fcesti\u00f3 de segons i poden ser significatives.<\/p>\n\n\n\n
Aquesta situaci\u00f3 tot causar danys irreversibles en el propulsor a causa de la fusi\u00f3 d’alguns components situats dins del bloc del motor, la qual cosa fa que el bloc sigui pr\u00e0cticament irrecuperable i sigui necessari canviar-lo.<\/p>\n","protected":false},"excerpt":{"rendered":"
Els motors de combusti\u00f3 necessiten tres fluids per poder funcionar: el carburant (gasolina, gasoil o gas), l’aire que es barreja amb el carburant en la cambra de combusti\u00f3 i produeix l’explosi\u00f3 i l’oli de motor, que s’encarrega de minimitzar la fricci\u00f3 entre les peces del motor i que a m\u00e9s compleix funcions refrigerants i detergents […]<\/p>\n","protected":false},"author":1,"featured_media":1269,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[156,157],"tags":[],"class_list":["post-1274","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-consells-ca","category-mecanica-ca"],"yoast_head":"\n
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