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Old 03-31-2019, 08:40 PM   #13
Judge
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Brand: Thor Motor Coach
Model: 2020 Magnitude SV34
State: Florida
Posts: 4,164
THOR #12751
Quote:
Originally Posted by 10scDust View Post
Just a suggestion, it may be the problem, maybe not.

At the pump and manifold area, the manifold is the aluminum block that all the directional valves, etc, are screwed into.
On each side, (at least on ours), you will see a round, flat screw driver plug about the size on a dime.
These are the pressure relief valves for each direction of flow, as there is a directional flow valve in the mix too.
The system relies on a pressure signal, from the pressure valve, for it to know where things are at.

They sit on a spring holding a small ball bearing, the check.
Turning them clockwise will increase pressure needed to bleed by.

The system may not be seeing the proper pressure spike reading to signal the "brain" that things are where they need to be.

I am not sure which side may need adjusting, this may be a trial and error.
I would try a quarter turn in at a time to see if this works.

Note where they are set now, if you need to return them.
Do not set them all the way bottomed out, as that will essentially block them off completely, and the pressure signal will not work right and there will be no protection for the pump, (what they are there for also).

I hope you understand what I am trying to say here, and I hope it resolves your problem.

Let us know if it does.
Thanks! That is well worth the try. Out of everything I read nothing mentioned trying that. I will give it a try after dinner and let you know!
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