Medrad ProVis Mark V, Service Manual

Page: 120 / 143

Disassembly and Reassembly
16 - 13
Injector Head
- Covers
Cover Removal 1. Before disassembly, fully reverse the plunger, then remove unit
power.
2. Remove the injector head from the mounting arm and place on a
padded surface.
3. Position the injector head upside down. Remove the four screws
retaining the bottom cover, then remove bottom cover.
NOTE : This point in the procedure is sufficient for syringe
heater repair. Proceed with the next step if any other
injector head servicing is required.
4. Remove the two hole plugs from the knob and lever on the rear of
the injector head.
5. While holding the round piston control knob, loosen the screw
inside the knob several turns without removing the screw. When
the screw is loose, remove the knob from the shaft.
6. While holding the plunger rotation knob, remove the screw inside,
then remove the knob from the shaft.
7. Remove the four screws holding the top cover to the assembly,
then remove the top cover.
Cover Replacement 1. Position the top cover face down on the work surface. Place the
injector head (upside down) over the top cover and install the four
screws which secure the cover to the head assembly.
2. Position the bottom cover on the injector head, then install the four
screws previously removed.
3. Install the plunger rotation lever with the screw previously
removed.
4. Position the plunger knob on the shaft, then tighten the screw
inside.
5. Install the hole caps on the two knobs.