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On to something newer - the MF 1155 - hydraulics...

Okay all you hydraulics knowledgeable folks on the newer MF series tractors...  It turns out they perhaps didn't tell me everything they could have about that MF 1155 before I bought.  Such as, the 3-point hitch won't go down...  If I recall correctly, when I asked if the 3-point hitch worked, the answer was yes...

I can push the 3-pt arms down with the loader tractor, but it takes significant force.  It will raise right back up on it's own.  

I talked to the guy my local dealer said was the best on this series of tractor.  He suggested that things were just rusted and bound-up.  From what I have done so far, I don't believe that is the case.  The service manual goes into some detail about measuring pressures with a bunch of weights on the lower arms...  

Before getting into all that, I'm looking for anyone who may have run into this situation before, and hopefully there is something very simple that I am over-looking before getting any deeper...

Any and all thoughts/suggestions will be appreciated.

Thanks,

JB

RE:On to something newer - the MF 1155 - hydraulics...

Mr. Bush,
  I am not sure this is your problem, but I will relate a situation we had a few years back.  Dad was disking with my 1135 when I noticed the cylinder on the right arm of the 3 point had blown the seal. We shut down right there because of Hydraulic Oil loss, and called our dealer.
  During the conversation I was told that Massey Ferguson had incorporated in their design of the 3 point system the ability to lock the 3 point arms in the up position, which also eliminated the flow of hydraulic oil to the arms, so we could continue farming until they arrived to rebuild the cylinder seal.
  To lock the 3 point arms up in the up position place them all the way up.   Now standing behind the tractor facing it, on the top of the left 3 point arm on the inside there was a cast knob.  By turning this knob one quarter (1/4) turn, you will lock, or unlock the 3 point arms.  Ours was very stiff from lack of use, so we used either a channel locks, or pipe wrench to turn the cast knob.  I believe the knob rotates in a continuous 360 degree system, with each quarter turn being flow, or no flow.  Hope this helps.....  Tim Pace

    

RE:On to something newer - the MF 1155 - hydraulics...

Well, hello Mr. Pace,

Thanks for your reply.  That is a good thing to point out because it is certainly not obvious.  I didn't know it was there until I was reading through my Operators Manual and Service Manual looking for clues.  I did verify at that time that this lock out was indeed open.  

For any others future reference, here are a couple of photos showing the location of this lock-out.

If anybody else has any good ideas, don't be bashful about putting them out there, even if it seems simple or obvious.  A lot of times in cases like this, you can start looking so deep that you might miss the simple/obvious...

Cheers,

JB
Attachments
3-pt-lock-out-valve-01.jpg3-pt-lock-out-valve-02.jpg

RE:On to something newer - the MF 1155 - hydraulics...

John,

If you would like to switch it up a bit and have a tractor with the new look and the old feel here is just what you need... I think it would be right at home in your collection!!   

Click on link below



http://masoncity.craigslist.org/hvo/4867066472.html


Joe



RE:On to something newer - the MF 1155 - hydraulics...

Hey Joe,

I appreciate you looking out for me.  ;-)     An 1135 on steel is certainly something you don't see every day.  That poor old girl looks like she's had a rough life - been rode hard and put away wet, as the old saying goes...

Your post on this topic reminded me that I hadn't finished the story on my MF 1155.  The short story is the selector lever in the cab was purely a placebo... I determined the system was actually in pressure control mode even though the selector appeared to be in position control.  Once I got the system truely into position control, the 3-point works fine.  

Since getting that solved, it's been sitting in the shop, with the rear blade attached, ready to attack the snow that never came this year.  And I'm okay with that!

Cheers,

JB

RE:On to something newer - the MF 1155 - hydraulics...

John: The spool in the control valve for the lift is probably stuck. If the tractor set for a long time or the lift was in the up position and control lever not moved it is stuck in up. Take a look at a 1100 series tractor parts book they are all the same, the valve is in the lift cover,there is a plate bolted on the right side, with it removed you can see the valve and control linkage, the spool is not connected to anything as you should see in parts brake down, with linkage out of the way paying attention to the brake down doing 1 part at a time  you will be able to see the spool. getting it loose will be tricky, after getting it out pay attention to spool as to which end goes which way polish it up don't scratch it clean bore in valve. When cleaned it should slide back and forth nice. NOTE before taking thing apart take a look at where things can go if you drop them. Put some cloth or some thing to catch them because they will go to the bottom and that's a real problem. It can be done my Son has bigger hands than I and he has done it a few times. The only other way is to remove the complete lift cover and that is not fun.   GOOD LUCK   Don  

RE:On to something newer - the MF 1155 - hydraulics...

Joe

Over here we would call those Cage Wheels but I have never seen them bolted to the hub. Usually they clamped to the rubber tyred wheel that  was bolted to the hub to help distribute the weight. A pain when you wanted to move down our narrow country roads.

Alan

RE:On to something newer - the MF 1155 - hydraulics...

Finally, a significant enough snow fall to require the tractor and blade to open up the lane.  It doesn't look like it where I just happened to park the tractor for the photo op, but we had between 6 and 8 inches last Friday night/Saturday morning.  Gave me the opportunity to try out the newly designated snow plow tractor after getting the 3-point hitch working.  

It makes a huge difference being in the cab vs. how I have done this in the past!  :-)

Now I need to find a decent 8' rear blade, with hydraulic angle feature so that I can just stay in the cab until the job is finished.   ;-)    (Yeah, getting soft in my older age...)

JB
Attachments
MF-1155-snow-21Feb15-01.jpg

RE:On to something newer - the MF 1155 - hydraulics...

Some of us still do it the old fashion way.

Hope this works as I haven't done it in a while.

RE:On to something newer - the MF 1155 - hydraulics...

Of course it didn't load. It was suppose to be my 44 with grader blade.