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5.4 Conversion of PN9000E to PN9000R (excluding the PN9400):
Note: Remove the actuator from the valve as described in Section 5.1.
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Remove all short locking nuts and bolts (22 and 23).
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Lubricate the threads of the three long hex. head screws with a PTFE based grease
before releasing the tension in the springs.
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Loosen and remove the short housing screws and nuts (22, 23 and 24).
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Holding each nut with a spanner, rotate the three long hex. head screws a few turns at
a time. Remove the screws and upper housing (2).
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Remove the upper diaphragm housing and spring(s) (2 and 5).
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Remove bolt and washer (21 and 28) while using a spanner to hold the actuator spindle (6).
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Remove spacer (8), 'O' ring (9) and spring/s (5).
Note: orientation of the spacer and 'O' ring, must be as shown in Figures 13 and 14.
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Place the diaphragm plate (3) over the springs (5), diaphragm (4) then replace the
bolt and washer (21 and 28), refer to Table 1 for correct tightening torques. It is
recommended that Loctite 243 be applied to the upper thread of the spindle (6) prior
to tightening.
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