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Another 806 hyd/TA question

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Neighbor wants help on his 806, pulls a 12 ft NH 499 haybine. Says hitch pump is slow. I plumbed a gauge in remote and get 1400 psi dead headed. Relief valve is 1600. I'd say it needs pump. Also, stops for a second when lifting haybine and turning. Lube pressure does drop to near zero when steering against stop in DD, but stays at 14 psi in TA. My book says DD leak in trans. Probably in TA, but anyone seen a jumper tube leak that could cause this? He wonders if a new mcv pump will get him going, at least for awhile? Thanks, RobertĀ 

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Definitely will change filter and fluid, not sure if or when it's been serviced last. Tried to raise a 12" auger last fall and it couldn't do it, I'll pull hitch pump and inspect when fluid is drained. I put new mcv pump in my 1586 last winter, shaft bushings were very loose, I'll bet the 806 mcv not far behindĀ 

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