John Deere jumpy rockshaft

VFP · Mar 23, 2021

The rock shaft on my 435 raises and lowers properly but jumps constantly after it is raised, worse with a load and with higher rpms.

gbs · Mar 23, 2021

you have a leak if not on the outside then internal, worn piston seal, leaking lift relief valve, leaking control valve ect. allowing the lift to lower enough to active the control valve raising the lift back to its set position.

buickanddeere · Mar 23, 2021

Dual rockshaft or single ?

VFP · Mar 24, 2021

Single also with a loader.

VFP · Mar 24, 2021

No visible leak so it sounds like a major overhaul!

John Deere jumpy rockshaft

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gbs

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buickanddeere

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VFP

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VFP

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