Page 20 • MN03010 ║ Issue/Rev. 0.4 (6/17)
Figure 29 – Stem Assembly Installation
While the stem is lifted (if the valve has been removed from the piping),
install the spring(s) over the stem against the backup plate.
Figure 30 – Stem Assembly Installation
If the valve has one spring, install the spring over the stem. If the valve has two
springs, install the taller spring over the stem, seating the spring flat against the
backup plate noting the orientation of the starting coil of the spring. Place the shorter
spring over the taller spring, seating the spring against the backup plate. Ensure
that the shorter spring is oriented 180 degrees out of phase from the taller spring as
shown above.
Figure 31 – Spring(s) Installation
Model 210 Valve (I / O / S) Manual Service and Maintenance
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