Danfoss S90 P Installation guide

Required tools

1” hex wrench

Disassembly Procedure

• Thoroughly clean external surfaces prior to removal

of relief valve components.

• To remove the orificed relief valve cartridge, loosen

the large nut with a 1” hex wrench. Remove the

cartridge valve.

Assembly Procedure

• Install new cartridge assembly and torque to 38 ft•lbf

(52 Nm).

Orificed Charge Relief Valve Cartridge

Service Kit Instructions

Series 90

Charge relief valve cartridge replacement