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Allis D-15 Hydraulic Lift Question

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ric44 View Drop Down
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Joined: 13 Jan 2019
Location: west Ky
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ric44 Quote  Post ReplyReply Direct Link To This Post Topic: Allis D-15 Hydraulic Lift Question
    Posted: 13 Jun 2019 at 1:00pm
Guys the lift works just fine on the pick-up but the lift arms wont fall under their own weight when I go to lower them . It will lower some with the weight of a implement on it but seems to me the arms should lower all the way down unloaded . This makes it near impossible to attach my bush hog because the arms are not low enough . Is there an adjustment I can make to make it release ? BTW it is a D15 series 2 . TIA
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2019 at 2:13pm
You have to stand on the arms to get them down with cold oil and probably with hot oil too. The LIFT/LOWER lever must be pulled down BELOW horizontal and the Traction Booster lever must be clear down (horizontal).
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CTuckerNWIL View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jun 2019 at 10:15am
Originally posted by ric44 ric44 wrote:

Guys the lift works just fine on the pick-up but the lift arms wont fall under their own weight when I go to lower them . It will lower some with the weight of a implement on it but seems to me the arms should lower all the way down unloaded . This makes it near impossible to attach my bush hog because the arms are not low enough . Is there an adjustment I can make to make it release ? BTW it is a D15 series 2 . TIA

No!
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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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GregLawlerMinn View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GregLawlerMinn Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jun 2019 at 12:27pm
The hyd reservoir is the tranny. Maybe someone used 80W fluid in the tranny. You might want to drain the tranny fluid and replace it with "Trans/Hyd" fluid.
What this country needs is more unemployed politicians-and lawyers.
Currently have: 2 D14s and a D15S2.
With new owners: 2Bs,9CAs,1WD,2 D12s,4D14s,3D15S2s, 2D17SIVs,D17D,1D19D;1 Unstyled WC
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PaulB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jun 2019 at 2:13pm
On a Series II there is a lowering adjustment on the left side under the fuel tank.  Look at your operators manual.

Edited by PaulB - 14 Jun 2019 at 2:14pm
If it was fun to pull in LOW gear, I could have a John Deere
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jun 2019 at 2:31pm
The lowering speed adjustment screw is for when the Traction Booster system is in operation. It allows you to control the speed of drop when the Traction Booster lowers the implement when the pull load is decreased. When the system is in use, the LIFT/LOWER lever is horizontal and held there by the pin caught in the lower quadrant window. The LIFT/LOWER lever can be pulled below horizontal to fast drop the implement at the end of the field. This adjustment screw has no effect on the drop rate when the LIFT/LOWER lever is pulled down below horizontal.
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