Page 14 • MN03010 ║ Issue/Rev. 0.4 (6/17)
Figure 13 – Stem Nut Removal
Remove the lock washer, back-up plate and diaphragm washer.
Note: The back-up plate and diaphragm washer have a tight fit around the stem.
Ensure not to gall the threads of the stem while removing the back-up plate.
Figure 14 – Diaphragm O-ring
Remove the top diaphragm O-ring, diaphragm and lower diaphragm O-ring and
discard as these components should be replaced.
Figure 15 – Diaphragm O-ring Removal
Model 210 Valve (I / O / S) Manual Service and Maintenance
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