What is this part and how does it work?

This valve thing is on top of my carb and just before the exhaust. It opens and closes but i dont know what it is or what it does. Can anyone tell me what this is and how i should be using it?

1953 Super C

When your power is out you still got vacuum to milk your cows

just remove it and put a 1/8 pipe plug in its place. somebody added it for what ever reason? dont want to run with it open or leaking as this will burn the valves by leaning out the gas mixture.

could this be a cause to my tractor not wanting to start and loving to leak gas all out the carb when cranking? i will plug it tomorrow when the hardware stores open.

ya, that makes sense as i recognized that valve.

Better then milking by hand when the power goes out.

(quoted from post at 18:49:55 04/15/11) Better then milking by hand when the power goes out.

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FOR SURE!

No, it wouldn't make it spill fuel. "All" Farmalls like to vomit excess fuel when cranking. Most don't really need choke (in normal temps) from what I have seen. A lot of times hard starting is timing or battery/starter/connections.

just remove it and put a 1/8 pipe plug in its place. somebody added it for what ever reason? dont want to run with it open or leaking as this will burn the valves by leaning out the gas mixture.

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How would it not burn up the valves when milking?

This reminds me of my grandfather's farm in Vermont, which he bought (at age 65) in early 1956.He bought 25 head of purebred Holsteins in NY and had them trucked up to the farm in late August. They arrived late in the afternoon about Aug. 27th.The farmer next door brought down his M with the vacuum setup so they could be milked that evening, as the vacuum pump in the barn wasn't quite ready. I was 13, and this day remains one of my greatest memories.

When the cow is milking, it doesn't let much air in, and when the milker comes off, you shut the valve to shut the vacuum off from the cow. It pulls some extra air in, but not that much.

Been there and done that on the Farmall 300 back in the '60's. Worked great!

Dad had one on the Ferguson and it was our emergency vacuum pump for milking cows. I saw another on an Oliver 70 that they used for vacuum brakes on a trailer they used to haul a Cletrac.

I remember people using them as a backup vacuum, but we had an IH stationary engine as a backup if the electricity went off. Only time I remember Dad trying to use it, the power came back on before he could get the flat belt hooked up to the vacuum pump and the engine started.

Dad had one of those on his 560 when I was growing up. We milked with it several times. We also used a UB Moline once and one time we used a '56 Chevy car.

I have one of those on my 300. Yes it is for running a milker when the power goes out. If in fact you did have electricity at that time. You would be supprised how many rural farm still did not have electricity in the 50"s

I still have a valve like that on my 48 h and it has saved our bacon more than once. One time my cousin was freaking out because the power went out while we were milking and the generator was broken. I told him to settle down and I went an got the H. We ran two old surge bucket milkers on that old h an got the cows all milked. All 47 of em. Granted we were late, but it got done. God my shoulder hurt that night from liftin all those buckets. Made me wish we still had the old short flat top bulk tank instead of the new tall fancy one for pipeline!!! Believe it or not, I have also run a surge bucket off the vacuum line for the power brakes on my dodge pickup. Worked great. I milked like that for almost 2 years. Bear in mind though I only had 3 cows and it was just milk for us at home when I used the truck.

Just for reassurance purposes, I still have both the H and the old dodge. Both give me relatively little trouble and never had a lick of trouble with either of them running lean or burning valves from doing this.
When IH said the Farmall could do it all, they weren't kidding. Who knew you could milk a cow with a tractor~~!! lol

Send me the valve and I'll send you a check for the postage.

(quoted from post at 08:12:57 04/18/11) I milked like that for almost 2 years. Bear in mind though I only had 3 cows and it was just milk for us at home when I used the truck.

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Wish I had thought about doing that... I milked 4 cows all one winter by hand after Dad got out of the dairy business in 1956. I kept my 4-H amimals, but after that winter, I sent all but one to one of my uncles and got a percentage for a few months until he decided to buy them. Dad would not let my buy a milker and start milking again.... "We are NOT ever going to milk those d*** cows again!" After that, it was just one PB Guensey for house milk. The folks kept her long after I was in the service until one day I got a check in the mail after she was old and gone to market.