Track rod end thread

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vak1c100
Posts: 238
Joined: Mon Feb 27, 2006 10:08 pm
Location: Newark, England

Track rod end thread

Post by vak1c100 » Tue Jul 21, 2009 8:05 am

Does anyone know the thread of the track rod ends fitted to the later davids, in particular a 1394?

Have got one thats a bit rusty inside and need a tap to clean it up.

cheers

Lee

Alchad
Posts: 716
Joined: Tue Aug 14, 2007 8:18 pm
Location: Shropshire

RE: Track rod end thread

Post by Alchad » Tue Jul 21, 2009 9:19 am

Lee,

Hi. Have you tried looking on the Case "exploded diagram" website. If you drill down for a 1394 into steering there are quite a few thread sizes given, but I'm not sure which particular one you're after.

http://www1.caseih.com/northamerica/Par ... earch.aspx

Alchad

John_Allen
Posts: 1894
Joined: Sat Dec 31, 2005 3:59 pm
Location: Cumbria UK

RE: Track rod end thread

Post by John_Allen » Tue Jul 21, 2009 9:43 am

Lee,

Not sure about the newer models, though one parts list suggests 3/4" thread. I recently changed some on my 995 and, after counting threads (the old fashioned way with ruler as I didn't believe the thread gauge!) and measuring the diameter, I found that they were 3/4" BSC - British Standard Cycle, with 20tpi! I would guess that UNF/BSF weren't fine enough to give accurate adjustment.

Perhaps you could try measuring yours in similar fashion - a quick "Google" of 3/4 x 20tpi gave the desired result for me - and lead to one of Alchad's recommended sites:

http://www.tapdie.com/index.html

Alchad
Posts: 716
Joined: Tue Aug 14, 2007 8:18 pm
Location: Shropshire

RE: Track rod end thread

Post by Alchad » Tue Jul 21, 2009 9:53 am

John,

Mmmmm.

Check out the diagram below, item 30 - which I thought might be the one Lee was talking about - is listed as a 3/4" special.

Alchad

vak1c100
Posts: 238
Joined: Mon Feb 27, 2006 10:08 pm
Location: Newark, England

RE: Track rod end thread

Post by vak1c100 » Tue Jul 21, 2009 10:31 am

hi everyone,

yup its "30". I've looked through the printed parts manuals I have and had a look on the CNH site but all I could find was the "special" description. I was hoping that they listed the locking nut as a standard nut but i imagine they'd rather sell you one at an inflated price than for you to source one yourself!

John-
I have a feeling it may be bsc(y) as some components on the cropmaster trackrods are that thread. I'll have to get counting when i get home! Cheers for that link too.


Lee

Guest

RE: Track rod end thread

Post by Guest » Tue Jul 21, 2009 12:23 pm

When renewing any D.B. trackrod ends/steering joints, save the old locking nut because they are now discontinued and don't come with the new joints. Apparently it makes the new joints cheaper!

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