Mark V ProVis Injection System
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Injector Head - Oil Seal
Oil Seal Removal 1. Remove the plastic plugs from the seal by pushing the edge of the
plug with a screwdriver. Remove the screws securing the seal, then
remove the seal.
2. Remove the O-ring from the inside of the groove.
Oil Seal Replacement 1. Remove any contrast that may be on the plunger shaft.
2. Lightly lubricate the new O-ring with grease, then insert into groove.
Figure 16.9: O-Ring Installation
3. Install seal cartridge.
4. Lightly lubricate the seal cartridge screws.
5. Install and tighten screws to secure the seal cartridge.
6. Install the plastic plugs over the mounting screws with the rounded
boss facing the screws. Use a flat object, such as a coin or the side of
a screwdriver, for easier installation.
7. Rotate the piston rotation lever in both directions to ensure unre-
stricted movement.
8. Install the turret on the head with a pressure jacket and syringe.
9. Apply power to the injector, then verify proper syringe operation with
the newly installed seal cartridge.
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