3-Point Hitch 3PH whines on slow raise

[MoreCowbell]

Hello. I have a BX2350 with under 100 hrs on it. The heaviest thing I have for it is a 500 lb ballast weight. When using the weight and want to raise it, I need to pull the lever all the way and raise the hitch at a full speed. If I try to raise it slowly by pulling the lever partially, I hear what is clearly the whining of a relief valve.

This happens regardless of engine speed. The whining does not happen with lighter attachments. Is this normal or can the 3PH valve be adjusted to fix this?

Sorry of this has been asked before. I searched the archives but may not have used the right keywords. Thanks in advance.

 

[thavil]

My BX24 does the same thing while slowing raising my Woods rotary cutter. Doesn't make the noise with anything lighter on the 3PH. Hopefully it's a normal noise.

 

[TripleR]

Our 2660 is noisy going slow too.

 

[MoreCowbell]

Thanks for the replies. I don't feel worried anymore