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PTO Growling
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- 5+ Years
- Posts: 2
- Joined: Mon Jun 27, 2016 11:29 am
- Zip Code: 71752
PTO Growling
I recently inherited a 1953 F-Cub. I am trying to get in running condition. What should the operation temp be? And there is a growling noise in the PTO, is this normal or is a bearing going out?
- Glen
- 10+ Years
- Posts: 6137
- Joined: Mon Mar 19, 2012 7:33 pm
- Zip Code: 00000
- Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
- Circle of Safety: Y
- Location: Wa.
Re: PTO Growling
Hi,
Welcome to the website. Cubs have no temperature gauge, so it's hard to tell what the temp of them is. If it's not boiling hot, it is ok, as far as I know.
I think I have read on here that some of the guys have used modern hand held, temp sensing equipment to check the temp of the radiator and engine.
The PTO bearing can be noisy after years of use, I have seen at least 1 do that. When I took it out to replace it, it looked normal, not loose either, but was noisy when running. Then they need replacing with a new bearing.
The transmission bearings can be noisy too, especially the 2 bearings on the upper trans shaft.
Welcome to the website. Cubs have no temperature gauge, so it's hard to tell what the temp of them is. If it's not boiling hot, it is ok, as far as I know.
I think I have read on here that some of the guys have used modern hand held, temp sensing equipment to check the temp of the radiator and engine.
The PTO bearing can be noisy after years of use, I have seen at least 1 do that. When I took it out to replace it, it looked normal, not loose either, but was noisy when running. Then they need replacing with a new bearing.
The transmission bearings can be noisy too, especially the 2 bearings on the upper trans shaft.
- bob in CT
- Team Cub Mentor
- Posts: 6018
- Joined: Thu Jun 07, 2007 9:34 am
- Zip Code: 06040
- Tractors Owned: 77 Cub (red); 74 Cub; 52 Cub; 50 Cub ( post-demo)
- Circle of Safety: Y
- Location: CT, Manchester
Re: PTO Growling
If someone used the PTO in the past for a stationary application if could be due to lack of lube. That bearing gets no splash lube when the transmission is in neutral. There is a grease fitting for that bearing for those circumstances. That said, the tractor is 63 years old and there is no way to know the history of the lube conditions but moisture accumulation is a common issue in these transmissions.
Edit: Glen pointed out to me that the PTO bearing gets greased every 150 hours. Now that I think of it, it is the upper mainshaft bearings that don't get any splash lube unless the tractor is in gear and the lower shaft is spinning the gears in the lube well. When using the PTO for a cordwood saw, for example, the upper shaft is the only one turning straight through to the PTO. The farmer fix for that was to jack up one wheel and put the transmission in gear. No wonder farming is tops in dangerous occupations.
Edit: Glen pointed out to me that the PTO bearing gets greased every 150 hours. Now that I think of it, it is the upper mainshaft bearings that don't get any splash lube unless the tractor is in gear and the lower shaft is spinning the gears in the lube well. When using the PTO for a cordwood saw, for example, the upper shaft is the only one turning straight through to the PTO. The farmer fix for that was to jack up one wheel and put the transmission in gear. No wonder farming is tops in dangerous occupations.
Last edited by bob in CT on Sat Jul 02, 2016 9:23 pm, edited 1 time in total.
- LRiddle
- 5+ Years
- Posts: 488
- Joined: Wed Mar 02, 2016 11:57 am
- Zip Code: 44278
- Tractors Owned: .
1951 Farmall Cub - Chesty
Woods 59 belly mower
54A blade
1956 Gravely L
Dozer blade
Tiller
Rotary Plow - Circle of Safety: Y
- Location: Tallmadge, OH
Re: PTO Growling
I've used my cheap-o laser thermometer after mowing 3 acres at full throttle with a woods 59 deck. Depending on the ambient temperature, I usually get readings of around 210° on the fluid at the top of the radiator, but I've seen it up to 215° on extra hot days. That seems to be consistent, so I'm OK with that. I've also recently flushed the radiator, bolster and cooling jackets to make sure it was as efficient as possible.
Luke Riddle
Tallmadge, Ohio
1951 Cub - Chesty
Tallmadge, Ohio
1951 Cub - Chesty
"You can't believe everything you read on the internet." - Abraham Lincoln
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