Active Charcoal canisters, late A2.

From: Andreas Mehlhorn (a.mehlhorn@t-online.de)
Date: Thu Sep 28 2000 - 10:31:24 PDT


Raimondo L. Torelli schrieb:

> Aologies for my ignorance! What is the purpose of "charcoal" in the Mutt?
> What is its use for? All 3 MUTT's use it (151, 151A1, 151A2)?
> Regards and, of course!
>
> Keep Them Rolling!
>
> Raimondo - MVPA 15878 & IMPS 2320

One reason for charcoal in a Mutt is that the driver wants to make a
barbeque. (Remember the Bratwurst...)

The other reason is, that there is a canister filled with active charcoal,
which takes the fumes (vapour) from the fuel tank and the carburettor,
when the engine is not running but still hot. The air goes through the
charcoal, but the hydrocarbons "stick" at the charcoal. When the engine
starts again, it sucks air back though the canister and takes the
hydrocarbons back. So it cleans the active charcoal.

Best regards
Andreas
 



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