bobcat mini excavator

Just installed a thumb on my Bobcat 325. Need to lower the pressure. Where is the adjustment located? Thanks

Hello, I am new to this forum and to excavators. I just bought a "solid" Bobcat 334 with "2100" hours on it. It was from a few hours drive from me an I could not see it in person but the seller showed me it working a digging. But when I got it, the was much weaker than the rental machine i...