RPM drop with hydraulics move

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RBS
Posts: 6
Joined: Wed Jul 13, 2016 11:54 am
Zip Code: 27909

RPM drop with hydraulics move

Postby RBS » Tue Aug 16, 2016 7:33 pm

I have a 60's (4 bar grill) Cub. After warming up the engine and letting it run at idle speed, if I move the hydraulics up and down, there's little or no change in engine's load/RPMs. If I run it at a faster RPM and go thru the up and down movements; again, there's little or no change in the engine during the up movement. However, going thru the downward movement puts a good size load on the engine that results in a big drop in RPM's and noticeable smoke from the exhaust. Is normal?

tst
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Zip Code: 12514
Circle of Safety: Y

Re: RPM drop with hydraulics move

Postby tst » Tue Aug 16, 2016 7:36 pm

you are making the hydraulic pump work so yes it will put a load on the engine, smoke is another issue, what color is it

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Glen
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Posts: 2517
Joined: Mon Mar 19, 2012 7:33 pm
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Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
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Location: Wa.

Re: RPM drop with hydraulics move

Postby Glen » Tue Aug 16, 2016 8:21 pm

Hi,
The Touch Control puts more load on the engine to move the arms to the rear or down, than forward or up. All of them I've seen are that way. :)


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