574 hydraulics question

[x1lightning]

I have a 574 with a loader.
The loader is powered off the rear hydraulics, I have a 2 valve setup for the controls.
I recently bought a 3 point snow blower, that has hydraulic chute rotation.
I want to add a new valve to control the chute.

can I put a single valve inline with the 2 valve? as in the inlet for the single valve is feed by the outlet on the 2 valve?

Do I need to replace my two valve with a 3 valve?

here is a picture of my valves


also, what hydraulic fluid am I supposed to use in a 574?

 

[Harry in Ky]

Check your PM inbox.

 

[LouNY]

A lot depends on were your loader valve is feed from.
But another valve would likely need to be before your loader valve and then your loader valve feed by that valve power beyond,
with an additional line for return to tank.
As far as fluid it depends how much you like your tractor and what shape it's in.
It will call for IH Hytran, most of the better multi purpose tractor fluids will work.
Some of the better ones will work much better in cold weather.

 

[x1lightning]

I've been doing some research on my hydraulics, the aux valve is plumed to the rear ports of the tractor, this is a pic of the bottom of the aux valve,

My loader feeds from the rear aux ports and runs up to the double spool valve
The aux valve has to be locked into the rise position for the loader to work

the double spool valve had a spot labeled BYD, is this a power beyond that could be used to power a single lever valve?


from what I have found it appears a power beyond housing should have been installed as an extension to the AUX valve, and the loader should have been plumbed to that.
I cant find any diagrams on how to do that

I did find a diagram showing two aux valves

it looks like line #1 is the pressure feed from the pump
and line #2 is the return to the reservoir
I dont understand what line #11 is though, what is its purpose?
From what I can see a power beyond housing does not have that line.
appears it only has a power out port that could be used to feed the loader valves.
If I did this where would the return line go?