Loosen the main relief valve (Item 1) [Figure 20-40-56].
Remove the main relief valve.
Installation: Always use new O-rings, sleeve, and glide ring. Tighten to 35-40 ft.-lbs. (47-54 Nm) torque.
Remove the O-rings, sleeve, and glide ring from the main relief valve [Figure 20-40-57].
