New Holland CX720 Repair Manual page 2287

Oil pressure regulator valve - Install (B.60.A.25 - F.10.A.15)
1. Lubricate the pressure relief valve (1) and spring (2)
and insert into housing, ensuring free movement. Fit
a new O-Ring to plug (3) and torque to 55 Nm (42 ft.
lb.).
POWER PRODUCTION - LUBRICATION SYSTEM
2 4/7/2006
B.60.A / 25
1
396-E-18_768