2640 Hydraulics

burnsg2003 · Nov 9, 2013

I have a 2640 John Deere that started making a lot of noise at first I thought it was in the rear end but I think it is the hydraulic pump and the noise is being transmitted throught the steel lines. The hydraulics seem to work ok but it seems to take a while for the fluid to get pumped into the system to activate the loader hydraulics after a while it seems to quiet down. Any comments or ideas what I need to look at to fix the problem would be apreciated.

buickanddeere · Nov 9, 2013

Have you been following the service manual's instruction of hydraulic service?
What kind of loader valve?
Where are the loader hydraulics tapped into the tractor?
Hydraulic oil level?

Tx Jim · Nov 10, 2013

First thing to check is for a worn frt hyd pump coupler. How long since hyd filter was changed and sump screen checked/cleaned?

burnsg2003 · Nov 21, 2013

hydraulics for the loader are taped into the outlet off the filter. Level of oil is good Loader is run by joystick type cotrol

buickanddeere · Nov 21, 2013

Actually where the oil is returned to the tractor is more important than the supply point.

2640 Hydraulics

burnsg2003

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buickanddeere

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Tx Jim

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burnsg2003

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buickanddeere

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