Allis D14 Head Gasket Torque?
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Category: Allis Chalmers
Forum Name: Farm Equipment
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=148278
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Topic: Allis D14 Head Gasket Torque?
Posted By: DaveSB
Subject: Allis D14 Head Gasket Torque?
Date Posted: 07 Mar 2018 at 7:51pm
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What is the torque for a Allis D14 head gasket? The book we have says 80-85 lbs hot. What should it be torqued to when assembling the engine cold? Thanks ------------- 1948 C, 1953 CA, 1948 WD, 1961 D-17 Series 2 Diesel, 1939 WC, 1957 D14 |
Replies:
Posted By: DaveKamp
Date Posted: 07 Mar 2018 at 8:01pm
I don't torque gaskets... they're kinda flimsy and don't fit the wrench.  I DO torque head-bolts... and most of the time I expect them to be identified as 'wet' or 'dry' (meaning, oil on the threads)...I think the pattern is just as important as the thread condition and setting, so let's see if someone's got a scan of the service manual they can post... ------------- Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest. |
Posted By: DaveSB
Date Posted: 13 Mar 2018 at 6:57pm
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Still haven't gotten an answer on what to torque the head bolts to on a D14 when assembling. Is it supposed be torqued to 80 ft lbs? The book I have only says when warm retorque to 80-85 ft lbs. Is that to be used when assembling also? What torque have others used? Thanks ------------- 1948 C, 1953 CA, 1948 WD, 1961 D-17 Series 2 Diesel, 1939 WC, 1957 D14 |
Posted By: Larry in NC
Date Posted: 13 Mar 2018 at 7:39pm
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80-85 is the re-torque. Unless one of the engine guys tells you differently 80-85 should be correct for the cold torque also. You can re-torque after the tractor has been run and is hot. Below is the torque pattern. If you Google, you can find the torque pattern on line. You start with the middle bolts and work toward each end.
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Posted By: DaveSB
Date Posted: 13 Mar 2018 at 7:46pm
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Thanks for the reply, the reason I asked was because we assumed that 80-85 was the cold torque also, but after ringing off a couple of head bolts, we decided to ask the experts here. Its very possible the original 70 plus year old bolts were just wore out, but we had never seen head bolts stretch and then snap like these did. They are 7/16 diameter bolts and broke around 70 lbs. Same thing with 2 different torque wrenches, one was snap on and had been calibrated not long ago, so we didn't think it was the wrenches. Bad Bolts? ------------- 1948 C, 1953 CA, 1948 WD, 1961 D-17 Series 2 Diesel, 1939 WC, 1957 D14 |
Posted By: Larry in NC
Date Posted: 13 Mar 2018 at 7:52pm
| If the bolts won't take 85 lbs cold, they won't take that torque hot. I would invest in new bolts. |
Posted By: dt1050
Date Posted: 14 Mar 2018 at 6:47am
x2. just don't mix up your specs. a fella at work tried to torque his head bolts at 10 lbs and his valve pan bolts to 80 lbs....didn't work out to well for him....gave me a good laugh thow.. ------------- Just cause it's orange don't make it a tractor, there's only one..Allis Chalmers |
Larry in NC wrote: