English - Spallation Neutron Source

Chapter 6: Maintaining The Cabinet
• Check the UV and fluorescent light hourmeters, and record their
readings in an operational log.
• Check the prefilter for cleanliness; replace if needed.
• All weekly activities.
Semiannually or Annually
• Have the cabinet re-certified by a qualified certification technician.
• All monthly activities.
• Replace the prefilter.
Service Operations
Work Surface Removal:
Note: The work surface of the cabinet must be thoroughly decontaminated
before removing it.
1. Lift the front edge of the work surface straight up by grasping the knob
handles at either front corner.
2. Pull the work surface straight out, letting its rear edge rest on the center
support underneath.
3. Reinstall the work surface by resting the bottom on the center rail while
pushing it back into the cabinet. Be sure to engage the tabs on the back
corners of the work surface with the slots on the rear wall of the work
area.
Front Grille Removal:
Note: The grille must be thoroughly decontaminated before removing it.
1. Remove the work surface as described earlier.
2. At one end of the grille, grip the front of grille with one hand, and the
back with the other hand. Pivot that end of the grille upward and
inward, paralleling the angle of the sash, as shown in Figure 6-1.
3. Pull the other end of the sash up and away from the bottom edge of the
cabinet.
4. Reinstall the grille by reversing the above sequence, ensuring that the
grille properly engages the bottom edge of the cabinet.
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