Apply lubricant to o-rings and cartridge o-ring and end seal.
Apply taper thread pipe sealant to all non-swiveling threads except
cartridge (2) and needle (12).
Apply anaerobic sealant to external threads.
Torque to 125 ft-lbs (70 N•m).
Turn stem fully into manifold. Then back out two turns and lock in place.
Large end of inside taper faces out.
Push assembly hard against a flat surface to snap retainer seal (2f) in
place.