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Comments
The drawing to the right shows the internal parts of a generic Rheodyne front-loading injector. See Appendix A for drawings and part numbers for specific models: 7125, 7725, etc.
Note: The stator set screws are only found on the 7125 injector. The pressure adjusting screw is only found on the 7725, 7726, 8125, 8126, 9725, 9726, and 3725 injectors
Do not disassemble
the injector unless instructed to do so in one of the Solutions. To disassemble:
1) If you removed the injector from a panel, replace the knob before proceeding.
2) Remove the three stator screws.
3) Remove the stator, stator face assembly (this may remain attached to
the stator), and stator ring from the valve body by pulling axially to
disengage the parts.
4) Lift the rotor seal off the seal pins using a knife blade. Leave the
isolation seal and bearing ring in place.
In the case of the models with a pressure adjusting screw, before reassembling loosen the pressure adjusting screw about 1/2 turn before tightening the stator screws. Then retighten the pressure adjusting screw.
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