[AT] Bad grease fitting

Mike M meulenms at gmx.com
Wed Mar 2 20:12:19 PST 2016


Beat me to it John, I was going to suggest some heat to loosen things 
up.  Easy enough to try.

Mike M


On 3/2/2016 10:29 PM, jtchall at nc.rr.com wrote:
> Maybe it would be easier to put in a 1/4-28 fitting? I have been known to
> jack up a front end to get the load off to try to get fittings to take
> grease. We had a 60's farm truck once that we would warm the rear springs
> with a torch so they would take grease. I normally use a hand gun but for
> some stubborn fittings I use an air gun.
>
> John Hall
>
>
> -----Original Message-----
> From: Len Rugen
> Sent: Wednesday, March 02, 2016 9:15 PM
> To: Antique Tractor Email Discussion Group
> Subject: [AT] Bad grease fitting
>
> I've got an ongoing problem with a grease fitting on the front axle pivot of
> a MF 255.  When I got the tractor, the fitting was missing (19 years
> ago....).  I put one in, but it fell out before the next service, the
> threads were stripped.  Being a poor young guy back then, I put JB weld on a
> new fitting, put it in the threads till it was snug and let it set up.  All
> was fine till the past few services, at first it was hard to get it to take
> grease, now it won't take any at all.
>
> The problem is the shoulders of the fitting sit down in a hole in the
> casting, probably deeper than original since the threads were bad and I
> can't get on it to get it out.   This is a 1/4 NPT straight fitting.   My
> thought is to grind off the tit, pull out the spring, drill and tap the old
> fitting for a  new 1/8 NPT fitting, clean out and hard grease and start
> over.
> Any predictions of this working?  If the old fitting falls out during the
> grinding/drilling, I'll do a helicoil fix.
>
>
> Len Rugen
>
> rugenl at yahoo.com
>
>
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