Center Pivot ??
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Topic: Center Pivot ??
Posted By: FREEDGUY
Subject: Center Pivot ??
Date Posted: 13 Feb 2020 at 5:16pm
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To those that run these "sprinklers" in the snow belt, how is the span "winterized"? Are there petcock valves at each A frame? do you pump air into the system similar to the sprinkler system in a residential lawn system? There are systems around "here" but I have never been up-close-and personal with a pivot or the owners. Thanks
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Replies:
Posted By: AllisFreak MN
Date Posted: 13 Feb 2020 at 7:34pm
Each tower is self draining although the drains should be inspected to make sure they are not plugged. There will be a few drain plugs at the low points of the well pipe next to the pivot to remove. Gearboxes should be checked for water contamination by just loosening the drain plug enough to make sure oil comes out and not water. The pivot should be parked either into or away from (parallel to) the prevailing winter wind to lower the chance of it being blown over. Power to the unit should be locked out to prevent vandals from starting it in the middle of winter which could be destructive, it happened to a neighbors pivot once and luckily he caught it in time, apparently he had some enemies. Most farmers park them in the best direction to deter thieves and vandals from messing with them. Here in Minnesota the prevailing wind in the winter is Northwest so you either point it that direction or Southeast.
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'49 A-C WD, '51 A-C WD, '63 A-C D17 Series III, 1968 A-C One-Seventy, '82 A-C 6060, '75 A-C 7040, A-C #3 sickle mower, 2 A-C 701 wagons, '78 Gleaner M2
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Posted By: old farmer
Date Posted: 13 Feb 2020 at 7:49pm
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We park our pivots so that they are never going to be next to the road. Helps keep the bad people away. In our area they like to borrow the wire to sell to the scrap yards.
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Posted By: SteveM C/IL
Date Posted: 14 Feb 2020 at 10:33am
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My casual observation is they all have arched tubes per section which would allow draining at the supports. I'm sure it's wise for the owner to check them all as winter approaches. Should be plenty of time for that since they should be done working before harvest.
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Posted By: FREEDGUY
Date Posted: 15 Feb 2020 at 5:13pm
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What is done with the well heads, how are they winterized?
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Posted By: old farmer
Date Posted: 15 Feb 2020 at 8:34pm
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It depends on your water supply. Pumping from a pond, river, you need to get pipe out of the water and drain plus your pump will have pipe plugs to remove. If you have a well some drain down the well caseing and might some plugs to remove. Buried pipe will need to be pumped also. We use a transfer pump for that job.
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