pxr5
Part of things
Posts: 198
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Dec 21, 2020 17:09:37 GMT
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Ive picked up an old Fleming Micron digger, it has a 5HP motor, I want to add some driven wheels to it, Would this unit work? Ive asked the seller & they have requested for flow and pressure?, can anyone advise. thanks www.ebay.co.uk/itm/283923189278?ul_noapp=true |
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Last Edit: Dec 21, 2020 18:22:46 GMT by pxr5
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Dec 22, 2020 18:40:59 GMT
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I have no idea if it’s suitable, but ive got a ransoms motor 180 lawnmower with hydraulic drive to the front wheels, which i don’t need anymore
How far are you from Norfolk/Cambs border?
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pxr5
Part of things
Posts: 198
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Dec 22, 2020 22:28:25 GMT
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Hi, I'm near banbury oxon.....could be worth travelling for..Ill do some research, thanks
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pxr5
Part of things
Posts: 198
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Dec 22, 2020 22:46:14 GMT
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Is it a big 3 cylinder ride on mower?
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Dec 22, 2020 23:15:47 GMT
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Just be careful as if you don't have driven wheels on the digger at the moment then just adding hydraulic motors may not work as you expect.
Most mini differs have a three section pump, one section does the left track, one the right and the other the arm. Using one pump to do the all the actions will be problematic if it works at all.
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pxr5
Part of things
Posts: 198
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Dec 22, 2020 23:23:41 GMT
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Ah, thanks thats very helpfull...
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Just be careful as if you don't have driven wheels on the digger at the moment then just adding hydraulic motors may not work as you expect. Most mini differs have a three section pump, one section does the left track, one the right and the other the arm. Using one pump to do the all the actions will be problematic if it works at all. why do they have 3 section pumps? i take it the one for the arm has a larger flow rate to the ones for the tracks? Is it so the tracks don't slow if you want to do a "donut"? i am just interested as i do hydrolics on trucks, and still learning. |
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Its got a vtwin 16hp briggs and Stratton Engine, when i get chance I’ll post a picture , tis a ride on with one back wheel
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pxr5
Part of things
Posts: 198
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Homersimpson, I was given 25l of hydraulic oil,its not whats spec'd for this old digger, but I quess it will be ok to use, what do you think?
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Last Edit: Dec 23, 2020 9:36:33 GMT by pxr5
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Just be careful as if you don't have driven wheels on the digger at the moment then just adding hydraulic motors may not work as you expect. Most mini differs have a three section pump, one section does the left track, one the right and the other the arm. Using one pump to do the all the actions will be problematic if it works at all. why do they have 3 section pumps? i take it the one for the arm has a larger flow rate to the ones for the tracks? Is it so the tracks don't slow if you want to do a "donut"? i am just interested as i do hydrolics on trucks, and still learning. I think they do it so that each item can work independantly and therefore if one gets stuck it doesn't make the other move more/differently.
I'm by no means an expert though.
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Homersimpson, I was given 25l of hydraulic oil,its not whats spec'd for this old digger, but I quess it will be ok to use, what do you think? I would be cautious of this, you need to check what the digger should have and what the difference in the specs is. Things to consider are that the oil provides lubrication and cooling to the pump and also if its thicker or thinner it may affect system pressure. In theory the pressure relief valve should compenstate but i'm not entirely sure, I saw one machine where the pressure relief valve was causing issues (may have been because they were running any old hydraulic fluid in it as one of the rams was leaking badly) and it damaged the pump.
I've only every played around with a couple of diggers so i'm by no means an expert.
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