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Posted for Lenray on oliver 550

C

caterpillar guy

Well-known Member
RRlund This is the picture Leonard has been trying to post for you to see.
cvphoto120362.jpg
 
I can move that shaft back and forth thru the housing 3/16 of an inch. Used heat and a big hammer with a block of hard wood. The stub that is hooked to that shaft--I can move it VERY slightly back and forth.WITH THE POSITION OF THE STUB IS IT IN THE Engaged or Disengaged position????? What direction should I try to move the stub to get it into the disengaged position???????????
 
Have you taken the little plate off of the bottom and looked up inside at the clutch mechanism??
 
I'm not sure this is great news for you Leonard. It looks to me like it's disengaged. I took two pictures of mine. The top picture is engaged, the bottom picture is disengaged. Yours looks like it's in the forward disengaged position, but I'll defer to others to see if they agree. If you unhook the rod, can you move the lever by the seat or is that stuck too?

cvphoto120416.jpg


cvphoto120417.jpg
 
Randy---YOU ARE CORRECT it is in the Disengaged position---with the PTO ENGAGED.
SO What does that tell You?????
The Caterpillar fellow near Owosso--told me to try painting diesel fuel up in there with a brush to try and loosen up the rust on that shaft and those master links. I am trying that plus have a jack with pressure trying to push that stub to the rear position...a guy in Texas who has a business of parting out these Olivers--said he has never seen this problem...
Appreciate your ideas and your time....
 
Did it sit in deep water or something so that everything is rusted solid or all scaled up? I'm with Kent on this one, can't imagine how it got like that. When you said you could turn the PTO shaft but it was tight, then bound up tighter, I thought it was likely disengaged but rusty. If not that, the discs must be junk so it was slipping if it was engaged. If you decide to split it, I have pictures of where to take the bolts out to make it super simple so you don't have to take the dash or even the hood off.
 
You might try to put a load on it. My 550 the PtO was frozen from sitting. Bush hogged about 3 acres an it broke loose. If you do something
Like that be careful as PtO will be spinning when tractor starts.
 
I550 thanks for your reply---WHEN YOU say your PTO was frozen...Do you mean you couldn't ENGAGE or DISENGAGE it. just like mine?????
Hoping to hear from you...also my email is open....
 
Yes it was disengaged- lever back, on mine the lever hooks directly to cross shaft thru the cast iron frame, not by the rear fender. 1967 model. I think it was just rusted up inside, the plates or linkage on pressure plate assembly. I wouldn't spray anything up in there as it will probably get on the plates. If you could put it on a stationary load like a feed grinder, that would probably work also. Anything to put a varying load on it.
 
I550 I AM a little confused about the location of ENGAGED and DISENGAGED..MY 550 IS A 1963. Lever back and stub shaft thru the housing back is ENGAGED. Forward and stub shaft forward is DISENGAGED. My tractor is in the DISENGAGED position, but the PTO IS engaged....
 
Yes my brother had a Super 55 with pto lever by rear fender like yours. looking at the linkage hooked to cross shaft 4 o'clock position is disengaged, 6 o'clock is engaged. by putting some kind of load on it may break it loose. You can adjust ring from underneath tractor counter clockwise- looking to rear of tractor and that may help loosen it up so it will disengage clutches. Is this a new to you tractor, no telling what previous owner may have done to it?
 
OK we are on the same page..Yes a new tractor to me. I have had 2 previous 550's and kinda like them with a nice little rear discharge finish mower on them.. How did your 550 freeze up on the clutches???? I am now able to move that stub shaft some--maybe from 6 to 5. Wasn't able to move it at all 2 days ago..
 
Just didn't use it for 10 years. Usually use the 770 on PTO jobs. You might get lucky and get them freed up. I wouldn't be pounding a lot on the shaft as might break the fork or something. Take your time you'll get it to work. I had mine all apart about 30 years ago as the plate that pushes against the discs was broken. I do have to split my 550 as the traction clutch doesn't disengage, broke it last month moving snow.
 
By looking at some pictures of PTO clutches for that tractor. I suggested that he take the fork out, and the cross shaft if he could. Then get the ears off the clutch since they looked like they might be brass from the color I saw. This would let him put a pry on the collar that slides back anf forth in there to work it loose. If some diesel fuel was painted on the shaft it might just soak in enough to help with loosening the rust or whatever is holding that from moving then load the PTO with a load to get the plates loose.
 
Hi Lenray, I also have a 1963 550 and my PTO was stuck in the engage position as well just as you describe yours. I had to open the access panel under the tractor (just 4 bolts) and I had to loosen the large nut that puts tension on the PTO clutch pack. I used a shim (thin sheetmetal) to depress and hold the locking pin that prevents the nut from backing out. I thin used a flat punch and hammer and loosened the nut. Took a good bit of force cause mine was locked up badly. My fiber discs were missing most of their teeth and crumbled apart. This is a link to a YouTube video I did on replacing my clutch pack.....maybe it helps. I have around 23 videos and counting on the repair and restoration of my Oliver 550 that might be of some help.
Link:
https://youtu.be/NoVyfAQvVzk
 
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