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KHB Series Regulators Maintenance Instructions Kit Contents Lubricant Body seal Poppet Piston seal Poppet spring MS-LT-WL8 Seat retainer Seat support seal Poppet retainer seal Seat Seat support Tools Required Tool Size Component Vise Body Socket 5/8 in. or 16 mm Seat retainer Crow’s foot...
Exploded View Cover Knob handle retainer Thrust roller bearing Knob handle Stem Upper spring Upper spring button button screw Stem nuts Body cap Backup ring Range spring Piston seal Lower spring Piston button Poppet retainer seal Poppet spring Piston guide Poppet Poppet retainer Body seal...
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Remove the piston / guide assembly from the body WARNING by pinching the piston top with your fingers and rocking Before removing a regulator from the system for gently. service, you must • depressurize system • purge the system to remove any residual Piston / guide assembly system media left in the regulator.
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15. Invert the piston and insert the poppet retainer seal, 18. Insert the piston / guide assembly into the body. Lightly followed by the poppet spring, the poppet and the poppet press down on the piston guide until it is fully seated. retainer.
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9. Remove the piston seal and the backup ring from the Reassembly piston guide, and the body seal from the body. NOTICE Ensure all components and tools are free of Body seal debris or damage. Leakage could result. Piston seal 12.
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