Remove the plug (Item 1) [Figure 20-40-64] (Port F2).or optional port relief valve from the control valve.
Installation: Always use new O-rings and back-up washers. Tighten to 35-40 ft.-lbs. (47-54 Nm) torque.
Remove the O-rings (Item 1) and back-up ring (Item 2) [Figure 20-40-65] from the plug.