The other day when it was -7 I plugged it in for about 3 hours. When starting it, a loud growl come from up by the fan. The transmission oil pressure tellite did not go off. Had no clutch or power steering. Let it run for 20 minutes and light still on. Rev'ed. it up to pto speed and it went out. It might just be me, but seems like clutch pushs in easier then use to before.
- Thread starter NEKS
- Start date
fixerupper
Well-known Member
The loud growl up by the fan is either the water pump or alternator going bad. The other experts can give some light on the hydraulics. Jim
The growl could also be the fan blades cavitating due to the radiator being plugged with snow, for example.
Did it go away? If so, don't worry about it.
Did the tractor run and drive once you got it warmed up? If so, don't worry about it. Hydraulic oil doesn't pump well at that temperature, and it takes forever to warm up just sitting there idling. A pump might be getting a little weak, but that's just a guess.
With tractors like this you almost have no other choice but to run it until it breaks down, so the problem can be found and fixed. You could spend thousands replacing things "preventatively" and still not fix an intermittent problem like you describe.
You didn't destroy anything with what you did. If anything is broken, it's from decades of wear and tear, not one cold start.
Did it go away? If so, don't worry about it.
Did the tractor run and drive once you got it warmed up? If so, don't worry about it. Hydraulic oil doesn't pump well at that temperature, and it takes forever to warm up just sitting there idling. A pump might be getting a little weak, but that's just a guess.
With tractors like this you almost have no other choice but to run it until it breaks down, so the problem can be found and fixed. You could spend thousands replacing things "preventatively" and still not fix an intermittent problem like you describe.
You didn't destroy anything with what you did. If anything is broken, it's from decades of wear and tear, not one cold start.
Moline_guy
Well-known Member
When its cold like this I usually give the steering wheel a little pull back and forth after its starts, this way I know it is moving oil, also kicking in the pto while it sits and idles when it is cold seems to help warm up the oil some.
the tractor vet
Well-known Member
As to your noise up Ft. i have no idea as i did not hear it , But if something is heading south you will be the first to know it . Now as to your lack of MCV pressure lets start off by changing the hyd filter amd taking a good look at the oil that comes out when you pull the cap off the filter. If it is the least bit cloudy then Change the oil because it has moisture in it and that misture is causing the filter to plug and you are starving the MCV pump if your tractor has the open center system if your tractor is the later 86 series and has the PFC system with this i am not that good on that system and either Pete or Owen know more then i do. When you go to buy filters never just buy one always keep a stock of hyd. filters on hand and the o/rings and or the gskt. always change then with each filter change. The MCV pump is always the last to suck up oil and when the filter starts to plug this is where you start to see the problem . Cold weather will bring out problems with hyd.systems and fuel systems .
Allan in NE
Well-known Member
I guarantee you, you didn't hurt a thing.
Allan
Allan
notjustair
Well-known Member
This weather is not the time to diagnose strange sounds. Everything is making a racket around here. If it does it again when it is about 50* start looking for a cause.
In the new Deere's it says in the books that the trans light will likely come on at 14* or below. And it does. There comes a point when you are happy with the fact that it started because asking it to do that was a huge roll of the dice.
If you think about it, pick up a filter for the hydro system when you are in town. It may have some chunks of ice in it causing a problem or two.
In the new Deere's it says in the books that the trans light will likely come on at 14* or below. And it does. There comes a point when you are happy with the fact that it started because asking it to do that was a huge roll of the dice.
If you think about it, pick up a filter for the hydro system when you are in town. It may have some chunks of ice in it causing a problem or two.
T in NE
Well-known Member
- Location
- Cambridge, Nebraska
On the 786 we had to unhook the PTO on the TMR, or run the spreader empty, for 20 minutes, or we wouldn't have any PTO when it was loaded, when it was cold out.
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