Farm Equipment - 7045 What Will it Hurt?

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7045 What Will it Hurt?

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=184729
Printed Date: 27 Apr 2024 at 5:15pm
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Topic: 7045 What Will it Hurt?

Posted By: Tbone95
Subject: 7045 What Will it Hurt?
Date Posted: 22 Nov 2021 at 8:56am

Got a cracked exhaust manifold. Will it hurt anything to work it for a while? I realize I can be running a little low on turbo if it leaks bad enough. Will it hurt anything else?

When I got the tractor 10 years ago, that section of the exhaust manifold had been changed, because it is marked "AC 7030". It's the center section. Is this a prevalent problem I'm wondering? Not that I can really do much about that, just curious.

Dreaming of getting a little tillage in before the ground freezes. A guy can dream.

Replies:

Posted By: injpumpEd
Date Posted: 22 Nov 2021 at 8:59am

run it!

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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!

Posted By: SteveM C/IL
Date Posted: 22 Nov 2021 at 9:51am

Won't hurt anything. Crack may close a little with heat. My 220 has cracked center section under turbo for 30+ yrs

Posted By: Tbone95
Date Posted: 22 Nov 2021 at 10:27am

Thanks guys. Yeah, it does close some when warmed up, of course it smokes a lot less when warmed up too!

Never have had this happen on a tractor that I remember, so wasn't sure.

Thanks again.

Posted By: AllisFreak MN
Date Posted: 22 Nov 2021 at 6:46pm

My 7040 had the same problem. I found a good center section from a boneyard. It ran fine as it was but I couldn't take the exhaust leak sound.

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'49 A-C WD, '51 A-C WD, '63 A-C D17 Series III, 1968 A-C One-Seventy, '82 A-C 6060, '75 A-C 7040, A-C #3 sickle mower, 2 A-C 701 wagons, '78 Gleaner M2

Posted By: tbran
Date Posted: 26 Nov 2021 at 7:35pm

We use heat shield and a couple of hose clamps... also there were 2 different manifolds, one with out a metal like square seal ring - the earlier one had none and did not have the machined area o accept it.

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When told "it's not the money,it's the principle", remember, it's always the money..