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Service and Repair Installing the Extracta Assembly (Ref. Figure 2 f) 11. If a locknut is present; slide the adapter tube down over the discharge head so that it sets against the shell. Thread the locknut onto the discharge head and tighten until the adapter tube is firmly held in place against the pump shell. Torque the locknut to 5545 ft -lbs (75-102 N -m). Torque the setscrew in the locknut to 25-50 in -lbs (2.8-5.6 N -m). 'nstalling the Extracta Assembly Q) ; WARNING! Disconnect, lock out, and tag power at the panel before servicing the pump, &When servicing equipment, use non -sparking tools and use caution when removing or installing equipment to avoid generating a spark. 1. Replace the lower o -ring (see Figure 26, Item 1#4) in the manifold and the one in the lower face of the Extracta head (see Figure 26, Item 03). 2. Sparingly lubricate the lower o -ring located in the inside the manifold and the o -ring in the lower face of the Extracta head. Use light grease, oil, or petroleum jelly. 3. Lower the Extracta into position through the manifold assembly. Care should be taken to keep the unit as near to vertical as possible to avoid damaging the o -rings. Start the four 1/2 inch Extracta retaining bolts. DO NOT TIGHTEN THEM AT THIS TIME. 4. Rotate the yoke -disconnect into position so that the brass boss aligns with the disconnect port in the packer assembly. 5. Tighten the 5/8 inch bolt to fully engage the yoke. 6. Torque the four 1/2 inch Extracta retaining bolts to 50 ft lbs.(68 N -m). 7. Torque the 5/8 inch bolt to 50 ft Ibs.(68 N -m). 8. Rotate the adjustment screw on the Pressurstat to reset line relief pressure. 9. Lubricate the o -ring on the Pressurstat with petroleum jelly and install the protective cover by rotating it until it contacts the Pressurstat body. Hand tightening is sufficient, as the o -ring completes the seal. 10. Visually inspect the pumping unit for leaks while the pump is running. This is to ensure that no seals or sealing surfaces were damaged during removal or installation of the Extracta assembly. 9A