Steps of tuning carbs vs timing

[Wolfbane323]

Originally Posted by ScooterABC

Are you saying that after you rebuilt the carbs you could drive the car around? And that you leave it parked for 6 weeks at a time? And that now it doesn't want to run? My first guess would be dirty idle jets. (if the above are all true). When it was running was it running well? The other thing to do is go through the linkage adjustment process as defined in the Big Blue Book (Maintenance, tuning, unit replacement blah blah blah).

Yeah it would drive ok, miss every now and then at higher rpm but it seemed to be an ignition issue bevause i was having ignition issues before having these fuel issues. I have the book to do the linkage adjust so i can do that, but what id like to know is what jets do i need to clean and where are they located?

[ScooterABC]

Originally Posted by Wolfbane323

Yeah it would drive ok, miss every now and then at higher rpm but it seemed to be an ignition issue bevause i was having ignition issues before having these fuel issues. I have the book to do the linkage adjust so i can do that, but what id like to know is what jets do i need to clean and where are they located?

I don't remember where they are or how to clean them. I sold my car years ago. You might also look for a big vacuum leak.

[Wolfbane323]

Originally Posted by ScooterABC

I don't remember where they are or how to clean them. I sold my car years ago. You might also look for a big vacuum leak.

There was a big leak the size of a dime from a intake line leading to the air and just plugged it haha and thats the only big vacuum leak that was prominent on the car but i havent had vacuum issues since then. Would a diagram help from a spare parts list so it can be pointed out which parts i need to clean?

[ScooterABC]

Not sure. Sorry.

[Wolfbane323]

Originally Posted by ScooterABC

Not sure. Sorry.

Not sure if it leads to the page im looking at if not there is a heckflosse catalog with mine being W111.012 and there should be a carburetor section to look at to find the exploded pic of the carbs if youd like to try to point them out https://www.niemoeller.de/en/w111/w111-mercedes-benz-220sb/B012/070108/

[dobrodan]

If it was running fine before you parked it and now it doesn't, it is probably varnish and residue in the jets and orifices of the carbs. Modern gas evaporates very quickly and carbureters can dry up. It is best to run the car every couple of weeks or so, at least until it warms up. You could try running lacquer thinner through the carbs at an idle. After it has warmed up let it sit for a little while and run it again on the thinner. You can hook up a short length of fuel line from the intake of the pump into the bottom of the can of thinner. Do this outside.
Also, as I have mentioned on at least one of your similar earlier threads make sute that the fuel enrichment valves (often incorrectly called chokes) are in the correct position. It is easy to get them in the wrong position.

[Wolfbane323]

Originally Posted by dobrodan

If it was running fine before you parked it and now it doesn't, it is probably varnish and residue in the jets and orifices of the carbs. Modern gas evaporates very quickly and carbureters can dry up. It is best to run the car every couple of weeks or so, at least until it warms up. You could try running lacquer thinner through the carbs at an idle. After it has warmed up let it sit for a little while and run it again on the thinner. You can hook up a short length of fuel line from the intake of the pump into the bottom of the can of thinner. Do this outside.
Also, as I have mentioned on at least one of your similar earlier threads make sute that the fuel enrichment valves (often incorrectly called chokes) are in the correct position. It is easy to get them in the wrong position.

Do i have to tear the carbs down to clean em again? Also whats the fuel enrichment valves? Where are they located? Theyre not the idle mixture screws?

[dobrodan]

If you can get the car running, just run it with lacquer thinner instead of gas. If you rebuilt the carbs you probably had the fuel enrichment valves in your hand. They are controlled by the "choke" cable and a linkage bar that connects the two together.
Go to this page and read everything:
Mercedes-Benz Ponton Workshop © www.mbzponton.org

This is the same setup as your car.

[Wolfbane323]

Originally Posted by dobrodan

If you can get the car running, just run it with lacquer thinner instead of gas. If you rebuilt the carbs you probably had the fuel enrichment valves in your hand. They are controlled by the "choke" cable and a linkage bar that connects the two together.
Go to this page and read everything:
Mercedes-Benz Ponton Workshop © www.mbzponton.org

This is the same setup as your car.

Is it the little plate thats for the choke in this diagram? Solex Type 32 PAITA Carburetor Exploded Parts Diagram © www.mbzponton.org