2021 cat 259D3

[smifwal]

I am curious which one of these is the pressure out when you roll the rocker forward,I just bought a new hammer and the hoses are not installed on it ,the ports are marked in and out, just want to make sure I set this up correctly to have forward make it peck

 

[Deimos]

The bottom thick fitting is the Hydraulic Return.
The top one is the Hydraulic Supply.
The middle, thinnest fitting is the Case Drain.

 

[smifwal]

Thank you

 

[Deimos]

When connecting a hydraulic hammer, usually only two hydraulic lines are used: Hydraulic Supply and Hydraulic Return.

 

[smifwal]

This I knew. I know I could have put them on and flipped them around if they were not correct but I figured it was better to ask, and I now I won't forget which does which because it was explained. If I had gone the process of elimination route that might not have stuck