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Vreemd geluid 280E (youtube filmpje) : Techniek

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Het is nu 23 nov 2024, 13:43

Vreemd geluid 280E (youtube filmpje)

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Vreemd geluid 280E (youtube filmpje)

Berichtdoor 280E1983 » 25 jan 2015, 20:50

Vanavond, na 40 km op de snelweg, wilde ik even luisteren naar de motor. De inlaat van het luchtfilter maakte een beetje een raar geluid. Dit geluid werd een stuk sterker toen ik de slang onder het filter los haalde. Deze slang zuigt (gevoeld met duim) en hier komt het geluid uit wat op het filmpje zo raar klinkt. Volgens mij hoort dit absoluut niet en ik ben heel erg benieuwd of iemand een idee heeft wat hier aan de hand is.

Ter informatie, de motor was dus warm, niet te heet. Het is een blok uit 1983, 160000km, tot nu toe geen motorproblemen gehad.

Léon

Laatst bijgewerkt door Anonymous op 25 jan 2015, 22:50, in totaal 1 keer bewerkt.
Reden: Youtube film geplaatst
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Re: Vreemd geluid 280E (youtube filmpje)

Berichtdoor Robin-H » 25 jan 2015, 22:16

Als ik me niet vergis is die slang een bypass voor wanneer je vanaf snelheid remt en geen gas geeft. (schubumluft). Dit circuit zou bij een stationaire motor geloof ik gesloten moeten zijn. Misschien een vibrerend membraan in de klep die dit afsluit? Het afsluiten gebeurt namelijk ook deels met vacuum.
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Re: Vreemd geluid 280E (youtube filmpje)

Berichtdoor MB280E » 26 jan 2015, 00:03

Is inderdaad van de bypass
Moet gesloten zijn bij stationair toerental.
Bypase heeft 2 functies. 1 het rustig stilleggen van de motor.
En 2 bij afremmen op de motor mag er geen brandstof naar de motor Door de bypas open te zetten gaat lucht gaat via de bypass en niet via de luchtweger naar de motor.
Klep wordt aangestuurd via vacium en een electroventiel
280E 1982 5-bak verbruik 1/8 viewtopic.php?f=10&t=8038&start=0
560SL 1985 automaat verbruik 1/... viewtopic.php?f=10&t=12374&start=0
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