Xcalibur II manual

MAINTENANCE INSTRUCTIONS

Key

1. Vertical adjustment (for back of Enhance)

2. Horizontal adjustment screws

3. Locking screw for (4)

4. Vertical adjustment (for front of Enhance)

5. Screw holding the tube shield on the stand

Figure 9.9.4 Enhance X-ray source adjustments (top view)

9.10 Aligning the Enhance Ultra X-ray Source

Task Time:

1 hour (from complete mis-alignment)

When:

After installation / movement

Tools:

Set of Allen keys

9.10.1 X-ray Beam Alignment of Enhance Ultra

Procedure

CAUTION

Do not put the CCD detector in the X-ray beam unless the generator settings are as indicated in step 1 below. Otherwise the scintillator may be over-excited and give off light even without X-ray exposure. If over exposure occurs, let the scintillator deexcite for at least 10 to 20 minutes.

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MAINTENANCE INSTRUCTIONS

Figure 9.10.1 Adjustment screws of Enhance Ultra

Figure 9.10.2 Schematic showing the rotated beam stop (dashed line shows “up” position and solid line shows “down” position).

1. Set X-ray generator settings to 30 kV and 1mA.

2. Flip the beam stop to the UP position (see Figure 9.10.2)

3. Set the CCD detector distance to 60 mm. Using the CrysAlis CCD application software type

KM4 detector 60.

4. Drive the CCD to be directly in line with Enhance ULTRA x-ray beam. Using the CrysAlis CCD application software type gt t 0.

5. Remove the Enhance ULTRA front face panel. Using a 3mm Allen key completely undo the screw 1 (see Figure 9.10.1) and lift off the front face panel.

6. Release the grub screws 2 (see Figure 9.10.1) and pull off the collimator

7. Unscrew the optic alignment x tilt, [i.e. screw 5(2)], y tilt [i.e. screw 5(1)] and the x pivot [i.e. screw 3] and y pivot [i.e.screw 4] (see Figure 9.10.1).

Version 1.4 Xcalibur_Manual_v1.4

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Xcalibur

USER MANUAL