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Pto problem
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- 5+ Years
- Posts: 3
- Joined: Wed Sep 02, 2015 7:52 am
- Zip Code: 45601
Pto problem
New to the forum. Have really got a lot of great info by just reading through some of the posts so I decided to join. Last year I purchased my first cub a 1957 Lo-boy with a woods belly mower and it mowed great all of last year. This year has been another story though. Mowed great for the first part of the year until I run into a problem with the pto popping out and making a grinding noise. I removed the pto shaft and found that the shifter was pretty worn. I rebuilt the shifter pin as some have suggested on this sight. It mowed good for a couple weeks and now I have the same grinding problem again. I inspected the shafts and noticed that a had about a half inch gap between the transmission shaft and the pto shaft. I split the cub at the transmission and fixed that problem. Only to have the pto start grinding again yesterday after about 5 or 6 passes. All the splines look good. this problem is starting to become a bit of a pain. Does anyone have any suggestions on where I should look next as far as a fix. Thanks in advance.
- Dale Finch
- 10+ Years
- Posts: 6634
- Joined: Tue Apr 27, 2010 11:34 am
- Zip Code: 27517
- Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower - Circle of Safety: Y
- Location: NC, Chapel Hill
Re: Pto problem
I had a similar problem...when I removed the PTO shaft again, I disassembled it to find I had the old style shaft with the STAKED bearing rather than the newer one with a retaining clip. The stakes had worn down allowing the bearing to migrate forward just a "tad", but enough to let the shaft pull back, wearing the new shift lever pin right down again.
I restaked the bearing and so far, so good.
I restaked the bearing and so far, so good.
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- 5+ Years
- Posts: 3
- Joined: Wed Sep 02, 2015 7:52 am
- Zip Code: 45601
Re: Pto problem
Mine has the retaining clips as far as I know of. I didn't see any pins holding the bearings in.
- Don McCombs
- Team Cub Mentor
- Posts: 17429
- Joined: Mon Feb 03, 2003 6:45 am
- Zip Code: 21550
- Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A - Circle of Safety: Y
- Location: MD, Deep Creek Lake
Re: Pto problem
The bearings aren't pinned. Here 's photo showing both for comparison...
Photo courtesy TM Tractor Parts
Photo courtesy TM Tractor Parts
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- 5+ Years
- Posts: 3
- Joined: Wed Sep 02, 2015 7:52 am
- Zip Code: 45601
Re: Pto problem
I guess I worded that wrong mine looks like the one on the left.
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- 10+ Years
- Posts: 59
- Joined: Thu Mar 07, 2013 7:35 pm
- Zip Code: 74604
Re: Pto problem
Is seal retainer at front of transmission in proper position,if not the shaft will move back and forth.Just a thought.
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