Figure 3–9: Correct rotor seal orientation
Body
Shaft assembly
Rotor seal (grooves on opposite side)
5. Reinstall the identifier ring, and the stator ring with its two locating pins, onto the valve
body.
Tip: The pins on the shaft assembly are keyed so that they fit only one way into the
mating holes in the rotor seal.
6. Mount the stator onto the stator ring, aligning the locating pin into the stator assembly.
Tip: The pin on the stator ring is keyed so that it fits only one way into the mating hole in
the stator.
7. Using the three stator screws, secure the stator by tightening each screw finger-tight, then
further tightening each screw 1/2 turn using the provided hex key.
3.9
Replacing the 30-cm CHC module's fuses
The 30-cm CHC module is equipped with fuses that interrupt the electric current when something
within the component fails. They protect both the operator and the equipment. Fuse failure is,
under normal conditions, an extremely rare occurrence. Fuses that regularly open indicate a
probable fault in the component and must be investigated. Contact Waters Customer Support for
assistance.
December 5, 2017, 715004751 Rev. C
Page 62
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