Section 8
High Pressure Water System
20479291
2-2012/Rev 04
8-32
Do not push the o-ring on the seal assembly past the inlet port on the valve body.
This will damage the seal o-ring.
Figure 8-27: Valve Stem Placement
18. Remove the high pressure adapter and the seal positioning tool.
19. Apply Pure Goop anti-seize compound to the threads of the actuator and carefully thread it
into the valve body, guiding the stem head into the hole in the actuator. Turn the actuator
clockwise until resistance is felt. Reverse the actuator 1/4-turn, and give it a quick spin
clockwise to seat it. Hand-tighten only, 5 ft-lbs (7 Nm).
20. Apply Pure Goop anti-seize compound to all surfaces, except the ID, of a new valve seat.
Install the seat into the valve body, inserting the small OD first.
21. Apply anti-seize compound to the threads on the high pressure adapter. Install the adapter
and torque to 25 ft-lbs (34 Nm).
22. Replace the 1/4-inch drain gland nut and collar and torque to 25 ft-lbs (34 Nm).
23. Apply anti-seize compound to the threads on the 3/8-inch high pressure gland fittings.
Install the collar and the gland fittings and torque to 50 ft-lbs (68 Nm).
24. Install the air supply hose and the electrical connection to the solenoid valve. Turn the air
pressure to the actuator on and test the valve for leaks and proper operation.
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