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identify of part in carburetor on a 1959 781

E

ejensen

Well-known Member
Ordered a basic carburetor kit from out host which fits many marvel, tsx, carburetors. After splitting the carb. a small spring which attaches in the area where the float valve is located jumbed out and was rusted apart. The carburor diagram sent with the carb kit didn't show this part. Assembled the carburetor with float valve and the small wire connector to the float assembly. Works fine. Unable to find a diagram showing this spring. Any ideas where I could find a diagram showing this spring? The tractor is really coming together. We pressure washed it today What a difference
Carburetor gasket fit fine and could have used the new float seat and float valve
 
Only 3 places I can think of that have a spring. The idle adjustment screw the main jet adjustment screw and the choke butter fly flap. Ops missed one the idle adjustment on the linkage should or may have one
 
(quoted from post at 18:08:47 03/19/15) Only 3 places I can think of that have a spring. The idle adjustment screw the main jet adjustment screw and the choke butter fly flap. Ops missed one the idle adjustment on the linkage should or may have one
Click to expand...
ome barbs have a spring that stretches across the posts that the float pin goes through. Mine had one when I took it apart but couldn't find it when I went to put it back together. So far it has worked fine without it.
 
(quoted from post at 18:08:47 03/19/15) Only 3 places I can think of that have a spring. The idle adjustment screw the main jet adjustment screw and the choke butter fly flap. Ops missed one the idle adjustment on the linkage should or may have one
Click to expand...
ome carbs have a spring that stretches across the posts that the float pin goes through. Mine had one when I took it apart but couldn't find it when I went to put it back together. So far it has worked fine without it.
 
Old,

As always I respect your insight. I just put carburetor back together with the small clip on the float valve and connected the clip to the flat on the float valve. It runs great. I think the small clip connected to the float valve is just for pulling the valve down . Think it would work fine with just fhe float valve contacting the float flat as other ford tractor carburetors I have repaired. Yes, The only springs I am aware of are the ones you mentioned.
 
Txturdo,

Exactly same as mine. Put it back together without spring, no choice, spring, rusted in pieces,and tractor works fine
Thanks for the reply
 
Yea there suppose to be a spring on the float.

a186947.jpg


It's a expensive little bugger to......

a186948.jpg
 
Not on any I have worked on. Ya some of the aftermarket copy cat carbs which I have learned to get rid of before messing with them yes but a good old factory M/ I have never sen that and never had a float drop to the point of the needle dropping out. And I have used the noise trick to make sure that the float does in fact drop as it should and never have had a needle drop out. Done hundreds of carbs over the 35 plus years of messing with tractor and yet o see that other then in copy cat carb that are mostly junk
 
John,

Good picture and thanks for the part number for the spring. Where did you get the exploded picture and the part number
 
OLd,
I also have had many of similar carburetors apart and have never seen the spring. Wonder where John got the exploded picture and part no
 
OLd,

I looked through a master parts catalog I have for ford tractors and none of the carburetors through 1953 have the spring. Thanks for checking
 
Old,
Your help is greatly appreciated. I'm going to tell my friend best to leave the carb. alone and forget the spring. It runs great
 
John appreciate the visual aid .Just because some one never saw one doesn't mean they didn't come from the factory that way. Seeing is believing. Thanks, Bill
 
Old,
The float needle is steel in the carburetor I cleaned. I can see that the clip would help with rubber tipped float needles. Somebody had been in the carb. prior to me. Screws holding the carb. halves together showed signs of edges turned up on the screwdriver slots in the screws.Previous person may have added the clip from a repair kit. Noticed that the new carb kit had a needle valve and one of the clips
 
I don't care who you are, no one has seen everything, including me! Some think that an M/S is an M/S, even though there are a very great many very different M/S carbs......just having seen a few doesn't mean seeing all variations. Yes, factory spring. This on an 813. It is not to keep float from dropping too far. See the tab below spring? That is the tab's job.
 
JMOR,
Great picture. I always learn something new especially from people such as you on the forum. I still do not know, what is the job of the spring?I checked New Hollands parts and the part number for the spring me on the forum came up as AN obsolete part.
 
JMOR,
I have been studying the picture you sent.It looks to me like the tab controls float movement.Is this correct?
 
(quoted from post at 06:30:06 03/20/15) JMOR,
I have been studying the picture you sent.It looks to me like the tab controls float movement.Is this correct?
Click to expand...
ab sets how low float can drop. Spring is reportedly there to stop vibration from wearing elongated holes in the float hinges/supports. Maybe it took many years & many iterations to figure it out or maybe it only became a problem with the larger engines (keeping same 4 cyl increasing displacement equals greater vibration, especially in gas engines which did not use the balance shafts, as I recall).
 
JMOR,
Thank you. You have a lot of knowledge which I feel fortunate to be able to access on the forum. What is quoting removed, click modern view, am I able to access this information on my computer?
 
(quoted from post at 09:30:22 03/20/15) JMOR,
Thank you. You have a lot of knowledge which I feel fortunate to be able to access on the forum. What is quoting removed, click modern view, am I able to access this information on my computer?
Click to expand...
ure, just get out of "Classic view" and use "Modern View".
 
To the right , in the box with text you are now reading, click on the words "MODERN VIEW".
 
JMOR,
Sending a picture of what I have. Not able to see what you told me to look for
Thanks,
Chris
a186974.jpg
 
I'm a bit late to the party, but this is a picture of a TSX-706.
If this is the little spring you found they're not uncommon on
the larger tractor carbs.

mvphoto17709.jpg
 
Royse,

Exactly what was on mine. Spring broke so just put it back together without the bracket or spring. Seems to work good.
 
Bill,
JMOR told me how to get into modern view to see the carb. Did it once but unable to get back into
the program.
 
OLD,
JMO sent me a picture of an 871 carb. He told me to click on modern view to the right of the text he sent me.
I have been unable to find modern view.
Do you know how to access this view?
 
ejensen

I got the picture from the Ford parts book dated 1959.

a187019.jpg


Page 9-14

a187020.jpg


If you do not have access to a catalog you can find it on the New Holland parts web site.

a187021.jpg


The spring counter acts the weight of the float; keeps the float from falling past its set bottom point preventing the needle valve from falling out its hole to far and jamming; and preventing vibration of the float.
I have seen springs and wire clips on engines as small as lawn mowers. Some of them the needle valve sits inside the spring. This type stops the needle valve from sticking shut not allowing gas to flow in.

Some of you may have never seen the spring and never had any problems without the spring.
Glad it worked out for you.
I guess the Ford engineers with more education than all of us combined put the spring in the picture just to mess with our minds.
 
Royse,
When I open what I wrote about I do not have Modern View to click. How do I get to where you circled the modern view to click?
 
It should be in the top right corner of the very
first post in the thread. Scroll to the top.
 
"I'll try it. Is this feature part of the forum we use?"

It's all the same forum, just two different views to see the
same thing. Each has their benefits and their fans.
 
Old,
I am still trying to figure out modern view and classic view. I'll send an email to customer help
for the forum tomorrow
I want to know if the following is correct: When a new thread, topic, is started modern view is in the right corner. when clicking on modern view classic appears.
Trying to go back to the original thread the modern view is not there. Only with new topics.

Is the modern view like a search engine on the forum? What is classic?
 
Modern and classic are just the newer type forums and the older type. You can post either way I use classic most of the time but once in a while check out modern if a page does not load like it should. On the main discussion form page you should see modern up at the top right hand corner if your on classic. Click on modern and that will take you to modern forum
 
Old,

Checked the discussion forum and says I am using classic. Is that the older side of the forum? Modern is the newer form? Secondly when I originally posted a question regarding a diagram for a carburetor on an 871 1959 ford tractor with a 172 cu in engine. I received several exploded views from other forum users. Did this come from classic view or modern? One user who send a diagram of the carb. told me to click on modern then click on classic.
 
Old,

Checked the discussion forum and says I am using classic. Is that the older side of the forum? Modern is the newer form? Secondly when I originally posted a question regarding a diagram for a carburetor on an 871 1959 ford tractor with a 172 cu in engine. I received several exploded views from other forum users. Did this come from classic view or modern? One user who send a diagram of the carb. told me to click on modern then click on classic.just clicked on modern view for what I sent you and several topics appeared regarding the carb. on a 1959 871 ford. Includind a diagram of the carb
 
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