[AT] Grease fitting threads

[John Wilkens]

Len, I'm not at all familiar with the MF 255 but I know some grease 
fittings are press-in fittings--no threads.  Can't even remember where I've 
come across them, but they were all on old tractors or attachments.   Think 
I'd just drill out the hole, thread it and put in threaded fittings.   John W.



At 04:33 PM 12/17/2004, you wrote:
>One of the grease fitting holes on the front axle "bolster" on my MF 255 has
>no threads.  I suspect a prior owner high centered on something and popped
>it out.  In the past, I could stick a 1/8" straight fitting in and it would
>catch enough thread to grease it, the I'd take it out.  More than finger
>tight andit would jump threads.  OK, now is the season to fix problems like
>this, so I started looking for a solution.
>
>If they make Heli-coils for 1/8 NPT, the must be gold plated, I can't find
>one.  One suggestion was to drill it to 1/4" NPT and use a bushing.  That
>would probably work, but if a zerk hung on something, this larger bushing
>and zerk surely would.  I'll keep that for a last resort.
>
>I saw a Permatex (Or locktite) "thread repair kit" for $10.  On reading, it
>was basically JB Weld and a release agent.  Well, I don't care if the zerk
>releases or not, so I'm thinking of JB welding a zerk back in the hole.
>I'll have to be careful to keep the bottom open.
>
>I don't have a clue how the axle could be removed, the zerk is on a fixed
>portion, so taking it apart would be a challange.
>
>Any suggestions?
>
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                    In the wide-open spaces of NE Oregon