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Jd 6620 reel pump pressure?
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Von WC Ohio
Posted 12/8/2018 20:52 (#7158446 - in reply to #7158083)
Subject: RE: Jd 6620 reel pump pressure?



New problem or just started?

Chaff spreader on machine ?

Be sure to check the set screw on the adjustment knob as indicated and also belt tension on reel drive pump as well as if the pulley is tight on the pump shaft.

On the header has the valve you connect the hoses to gotten bumped partly closed bad hose tip or coupler ?

If there is a chaff spreader on the machine is it turning, stalled, connected in series with reel drive motor instead of in parallel ?

 

My pictogram drawing I made of connections.

1. Pressure flows to the reel drive motor on the platform.

2.The return from that motor goes back to the flow control block

3.Part of the flow is used to run the chaff spreader the rest is returned back to the front of the combine and into the hose that returns it back to machine.

4. Return from spreader motor goes back past valve and adds with partial flow diverted at spreader flow control valve. 

5. Returns to front of combine and connects to hose that originally returned platform reel oil flow back to combine valve.





(HydFlowforVittetoe (full).jpg)



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