-3-
remain with the stem. To remove plug see preceding
section.
5. Inspect parts for wear and replace as required. It is
recommended that the o-ring be replaced.
6. Clean all parts and the o-ring seating surfaces in the
body and on the cage. Lightly lubricate these sur-
faces and the o-ring. Do not lubricate bore of cage
where the plug operates.
7. Check to see that the ball (13) is below the tapped
hole for the adjusting screw and reinstall the adjust-
ing screw to just contact the ball.
8. Install the cage o-ring and screw the cage into the
body until it bottoms out and tighten. Readjust ad-
justing screw.
Torque Procedure
1. Install all bolts hand-tight.
2. Torque the bolts in order of the bolt pattern to a
value equal to 1/4 of the recommended torque
valve.
3. Retorque each bolt to recommend value using the
same bolt pattern as shown.
When ordering spare parts, first make a note of the fol-
lowing information on the valve’s nameplate:
— Serial Number
— Model and Size
— Body Material and End Connections
— Range
5
3
1
6
4
2
5
3
1
6 4
2
7
8
6 bolts (or multiples)
8 bolts (or multiples)
