At the back side of the control valve, remove the lift section anti-cavitation valve (Item 1) [Figure 20-40-24].
Installation: Always use new O-ring (Item 1) [Figure 20-40-25] on the anti-cavitation valve plug. Tighten the plug to 35 – 40 ft.-lb. (47 – 54 Nโขm) torque.
Remove the spring (Item 1) and poppet (Item 2) [Figure 20-40-26].
Check the orifice (Item 3) [Figure 20-40-26] in the poppet to be sure it is not plugged.
Installation: Install a new O-ring (Item 4) [Figure 20-40-26] on the plug and lightly lubricate with oil before installing. Tighten the plug to 38 – 45 ft.-lb. (52 – 61 Nโขm) torque.
