RK 19 Mid-3Pt question and 50hr service video.

[astrodiver]

I put this in the RK forum but adding a copy to this forum as well.

Hi folks, my first post on this forum but I have been following for over a year.

So at around ~45 hrs I noticed that the Mid-3pt was resisting going up and down but as the
tractor warmed up it was easy as usual. By 58hrs i needed to force it, and now at 70hrs it won't move at all.
I have already tried adjusting the flow/adjust rate knob many times and it does not seem to make a difference.

The "rock lever"? does not seem to be obstructed and I've recently noticed that the 4wd will also not move to 2wd.
Before I tear this thing apart does anyone have any ideas?

I would like to add to this forum by sending a link to a 50hr service I performed on the RK19.
I posted this to Youtube and understand several mistakes I made but I have provided part#'s and capacity's and
tools needed that my be helpful to other forum members. any input would be appreciated.

Thanks,

Astro

 

[K5lwq]

I did not watch the video in full so probably missed something. I am thinking the lever was telling you it needed attention when you had to force it to move. I think the lever is just froze and needs to be greased or spray lube on it.

4WD lever may need grease as well but most likely it just needs to unwind a bit. Try going in reverse just a bit then see if it will come out of 4WD. Or if you can raise the front wheels of the ground then try. It probably will come out with one of these techniques. Good luck.

 

[astrodiver]

I did not watch the video in full so probably missed something. I am thinking the lever was telling you it needed attention when you had to force it to move. I think the lever is just froze and needs to be greased or spray lube on it.

4WD lever may need grease as well but most likely it just needs to unwind a bit. Try going in reverse just a bit then see if it will come out of 4WD. Or if you can raise the front wheels of the ground then try. It probably will come out with one of these techniques. Good luck.

Thank you K5lwq. So I took off the seat assembly to gain better access. Where the lever goes into the valve body there is a 12mm bolt that holds
a tab that goes between the shaft and the valve body. I took the tab off and noticed rust where the shaft enters the valve body. I assume there
is some sort of metal bushing/seal in the valve body, so I've sprayed it with penetrating lube. Still no movement yet but i'll give it time to do it's thing.

 

[astrodiver]

Still not moving. I'm not hitting it with heat because of the o-ring so I have to take the valve assembly apart..yay me

 

[astrodiver]

Success!! So before I tore it apart and declared War on Korea, I decided as a last ditch effort to warm up
the tractor by running it a 1/2 hr. then put vice grips on the shaft and pull back and forth with the lever arm.
It moved a little then a bit more! After 15 minutes of spraying and rocking it freed up! I will be keeping
a coat of grease over that pivot point in the future.