MF 12 baler

I have a massey Ferguson 12 baler and would like to know how to adjust the plunger stop on it as I think it may be hitting it. Any help or information is appreciated. Thanks
 
Not sure without having the manual in front of me. What is it doing? Shearing lots of bolts? I replaced the sheer bushings in the flywheel, as well as the bushing in the bore of the flywheel.

Solved the problem with the sheer bolts.

Donovan from Wisconsin
 
I got the shear bolt problem fixed. I realize the plunger stop
was tripped because the bolt had come out of it. But now the
needles are out of time. The needles like about two inches
being retracted before the plunger hits the stop. Can i undo
the chain for the needles and knotters and spin it and connect
the chain so that the plunger barely misses the stop before it
is retracted. Thanks
 
I have a mf120 baler best thing I ever did was get a manual and retime everything. Runs like a dream now,.
 
(quoted from post at 07:44:10 07/06/16)
I've always figured that a manual is the most important tool for any machine.

Especially true with balers and planters.

Donovan from Wisconsin
 
I have a MF12 baler that gets extremely overheated when baling. I have lubricated under and around the plunger but it got so hot last time I used the baler that it nearly started on fire. Is there some type of bearing or wear bar under the plunger that needs to be either greased or replaced?
 
Sounds like the plunger is too tight in the bale chamber. If you recently adjusted it, back it off a little. If you haven't adjusted it, it's probably rust under the wear parts. About the only way in that case is to pull the plunger out and clean up all the rust between the components, then reassemble.

A few years ago I adjusted the plunger on our #12, but after some baling in the field I had to back the sister bolts of just a hair, as it was getting hot like you're experiencing.

Donovan from Wisconsin
 
(quoted from post at 09:32:03 08/03/16) I have a MF12 baler that gets extremely overheated when baling. I have lubricated under and around the plunger but it got so hot last time I used the baler that it nearly started on fire. Is there some type of bearing or wear bar under the plunger that needs to be either greased or replaced?

Look for a wear bar beside of the plunger towards the pick-up. It is stationary and the hay passes over it as the forks sweep the hay into the chamber. It has rust behind it forcing it out into the chamber and the plunger head has a tight squeeze to get past it. Tough time consuming job to remove it but you need to.
 

Instructions should be silk screened under the cover. I wouldn't try to adjust the timing without a manual telling me how it is supposed to be.
 

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