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Case Tractors Discussion Forum
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Re: case 970 hydraulic problems

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Author  [Modern View]

04-24-2013 18:29:25

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Todd, with the tractor running try lifting the planter in 1 powershift, 2 ps, and 3 ps. Then try it in Rev and then with the clutch pedal down. In all 5 of these positions the planter should raise at about the same speed indicating there is probably not a large oil leak in the P shift. A noticeable lifting speed among the different positions indicates a P Shift leak issue. Because you replaced the hyd pump and that did no good and if the P Shift checks out OK your problem is more than likely a faulty relief valve. This is why I always stress doing a flow and pressure test on the tractors BEFORE replacing components, I hate seeing people spend money when not needed. Rod.

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04-24-2013 18:36:15

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 Re: case 970 hydraulic problems in reply to 1370rod, 04-24-2013 18:29:25  
Do not throw your old pump away, if it is still in useable condition it is worth more than the core price you would get from a dealer. It should be easy to sell.

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jason madd

06-11-2013 13:05:27

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 Re: case 970 hydraulic problems in reply to 1370rod, 04-24-2013 18:36:15  
I have a 970 when you depress the clutch all the way it will kill the engine, also the left brake kept locking up so we would release pressure on it but with in 15 or 20 minutes it would build pressure again also the remotes lost power put a pump on awhile ago any ideas

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Todd Mason

04-26-2013 10:50:38

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 Re: case 970 hydraulic problems in reply to 1370rod, 04-24-2013 18:36:15  
I checked the tractor in all three ps positions as well as reverse and I couldn't tell any difference in how the planter raised. However, it will barley raise it at all with the clutch down even with the engine wide open. Any sugestions?

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pete 23

04-26-2013 17:02:57

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 Re: case 970 hydraulic problems in reply to Todd Mason, 04-26-2013 10:50:38  
I thought someone just had a problem not long ago where the modulator on clutch was losing oil and short changing the rest of the circuit. Not real sure of this. I know I would sure try to get the pump flow rated right at the pump so you know if pump is good so you know where you stand.

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