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Discussion Starter · #1 ·
Late 1985 model. Serial # above 30500 break.

Everything working great all harvest. Went to road it to next field. Suddenly won't go forward - from strong to nothing. Reverse works as it should but just a very weak creep in forward.

It's a Denison "Gold Cup" unit. This unit has no shuttle valve. All check valves we could get at seem free (little ball shakes). Relief valve (just 1 on this unit- seemed clean and correct-since only one relief valve we figure not the problem since it works in reverse). Didn't find any garbage in relief valve or check valves. Power steering works good. Tried the trick of turning the steering wheel as far as it will go while trying the hydro to see if pressure build would unstick something?

Time to pull unit? Any thoughts sure appreciated!
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