Manifold grease fitting

[birddog10]

So I've got a new exhaust manifold for my Massey 35 and it has a hole on the upper section, for a grease fitting. I'm assuming it's a grease fitting because my old manifold, which is still on the tractor, has a grease fitting in the same place. At least it appears to be a grease fitting (small nipple like protrusion with the end that looks like a ball point pen). My new manifold didn't come with the fitting so I guess I need to buy a new one or just take the old one out and reinsert it. But my question is: "What the heck does a manifold have a grease fitting for?" What needs greased or lubricated? I've asked a few friends who are somewhat mechanically inclined and they are stumped:confused2: So I'm asking the experts on this site for more information
Thanks for any input.
B-dog

 

[Mace Canute]

That's where you grease the muffler bearing!

 

[Sumpter]

You got me on that one. :confused3: Can't see a reason for it.

 

[smstonypoint]

Does the manifold look like the one in the link below? If so, where is the "fitting"?

Tractor Parts - Massey Ferguson Exhaust Manifolds from Restoration Supply (800) 809-9156

Steve

 

[whistlepig]

Greasing an exhaust manifold would be the start of a very bad day.

 

[Chilly807]

The hole is probably for an exhaust pyrometer to measure exhaust temp, though I've never seen one mounted on a Massey. I'm guessing the previous owner also replaced the manifold, and was at a loss as to what to plug the hole with. Noticing a grease fitting was the right size, in it went.

Can't say I'd recommend greasing it though.

Sean

 

[whistlepig]

The hole is probably for an exhaust pyrometer to measure exhaust temp, though I've never seen one mounted on a Massey. I'm guessing the previous owner also replaced the manifold, and was at a loss as to what to plug the hole with. Noticing a grease fitting was the right size, in it went.

Can't say I'd recommend greasing it though.

Sean

An exhaust gas temperature gauge is all I can think of also. A requirement on turbo motors. I don't think the 35's came with a turbo.

 

[birddog10]

Does the manifold look like the one in the link below? If so, where is the "fitting"?

Tractor Parts - Massey Ferguson Exhaust Manifolds from Restoration Supply (800) 809-9156

Steve

No, it looks like this, in this link:

Exhaust Manifold

and the hole in the center, upper section, is where the "grease fitting" has been screwed in.

 

[Egon]

Perhaps this manifold is common to another engine that does have a turbo?

Put a grease nipple in it and confuse everyone when you ask them how much grease you should put in!:thumbsup:

 

[Argosy]

Put a steel plug in it.

 

[birddog10]

Well I've got the answer and many of you were right about your ideas and suggestions:thumbsup: accept for Mace Canute who suggested it's where I grease the muffler bearings Talking to the company that sold me the manifold it appears that since my Massey 35 engine is a Continental gas engine it's the same engine used by other manufacturers including Hyster for their forklifts. Apparently forklifts need "a vacuum advance airline to advance the timing" and that's where it would go. He said that a grease fitting fits and so that's why somebody put it in there but he wouldn't recommend it because the spring or ball bearing might dislodge and drop down into the manifold or carburetor. He said to simply put in a hex bolt or screw instead just like "Argosy" recommended with the steel plug.
Thanks for all the advice on this one. Now I have to try to get the manifold off without breaking any of the studs. I'll be back on this website if I do, to figure out how to deal with that problem:laughing:

 

[blueriver]

Well that excatly what I was going to say ....

 

[Egon]

accept for Mace Canute who suggested it's where I grease the muffler bearings

Durned me, where do you grease those bearings?:laughing:

 

[milkman]

In your first post, you said "exhaust manifold", it threw me for a loop along with others, now that we know that it is in the intake manifold, it makes sense. :thumbsup:

 

[birddog10]

In your first post, you said "exhaust manifold", it threw me for a loop along with others, now that we know that it is in the intake manifold, it makes sense. :thumbsup:

Sorry, I'm new to this whole engine fixing thing:confused2: I've worked on my cars in the past and changed a few engine parts on my riding lawnmower but nothing major. What's the difference between an "intake manifold", "exhaust manifold" and a plain, simple "manifold"? What I bought (which is the piece I need) was listed as a "manifold" on some websites and "exhaust manifold" on others. If I'm not mistaken one part attaches to the carb and the other attaches to the exhaust pipe out to the muffler, but the whole thing appears to be all one piece.

 

[kevinj]

Sorry, I'm new to this whole engine fixing thing:confused2: I've worked on my cars in the past and changed a few engine parts on my riding lawnmower but nothing major. What's the difference between an "intake manifold", "exhaust manifold" and a plain, simple "manifold"? What I bought (which is the piece I need) was listed as a "manifold" on some websites and "exhaust manifold" on others. If I'm not mistaken one part attaches to the carb and the other attaches to the exhaust pipe out to the muffler, but the whole thing appears to be all one piece.

Intake and exhaust are just what they imply. The are hooked together for heat transfer

 

[Ford tractor]

What's the difference between an "intake manifold", "exhaust manifold" and a plain, simple "manifold"?

To a skilled mechanic / tech your question is like a doctor hearing "what's the difference between trachea and rectum?".


One deals with the stuff going in and the other has it going out.

 

[birddog10]

To a skilled mechanic / tech your question is like a doctor hearing "what's the difference between trachea and rectum?".


One deals with the stuff going in and the other has it going out.

Oh, now I get it:laughing: It's linear. I've had my head up my butt so far with this question that I thought it was cyclical

 

[Willl]

What's the difference between an "intake manifold", "exhaust manifold" and a plain, simple "manifold"?

A "plain and simple "manifold" is a poor term. It's either an intake or an exhaust or a combo like yours.

Some older car gas engines used part of the exhaust manifold to warm the bottom of the carb to keep it from frosting.

 

[Egon]

Newer intake manifolds may not be made of metal.