2-62 hydraulics

[white2-62]

wondering if anyone can tell me were to find a hydraulic diagram for my 2-62 hydraulics. would like to know if there is a pressure relief valve and were it could possibly be. Only have 1.8 gpm at 1800 psi. spec seems to very from manual to online. Either way my is way below both specs. Thanks

 

[lens12]

A hydraulic diagram is in the service manual. There is a pressure relief valve. It is on top of the lift housing.