Hologic QDR 4500 Technical Manual page 10

Fan beam x-ray bone densitometer
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Figure 3-20. Tube Current Mode 3 .............................................................................................3-22
Figure 3-21. Leakage Test Shield (099-0566) ............................................................................3-25
Figure 4-1. Table Alignment.........................................................................................................4-2
Figure 4-2. Pedestal (covers removed)..........................................................................................4-3
Figure 4-3. X-Ray Alignment Fixture (010-0923) ........................................................................4-4
Figure 4-4. Inserting The X-Ray Alignment Fixture ....................................................................4-5
Figure 4-5. The Alignment Fixture Properly Installed..................................................................4-6
Figure 4-6. Filter Drum Adjustments - Top View ........................................................................4-6
Figure 4-7. Array Assembly - Top View, Partial ..........................................................................4-7
Figure 5-1. Electronics Tray FRUs ...............................................................................................5-3
Figure 5-2. Control Panel and Table Y FRUs...............................................................................5-5
Figure 5-3. Left Side Table Y FRUs .............................................................................................5-7
Figure 5-4. Table X FRUs.............................................................................................................5-9
Figure 5-5. Table Z FRUs ...........................................................................................................5-12
Figure 5-6. Installing the Rotary String Encoder ........................................................................5-14
Figure 5-7 C-Arm R FRUs (Outside View) ................................................................................5-15
Figure 5-8. C-Arm R FRUs (Inside View)..................................................................................5-17
Figure 5-9. Lower C-Arm FRUs .................................................................................................5-20
Figure 5-10. Top View of Tank ..................................................................................................5-22
Figure 5-11. Upper C-Arm FRUs................................................................................................5-24
Figure 5-12. Detector Assembly Mounting.................................................................................5-25
Figure 5-13. Laser Assembly ......................................................................................................5-26
Figure 5-14. Rear C-Arm FRUs ..................................................................................................5-27
Figure 5-15. Power Module FRUs ..............................................................................................5-28
Figure 5-16. Power Control Panel FRUs ....................................................................................5-30
Figure 5-17. Operator's Console Assemblies ..............................................................................5-31
Figure 5-18. Computer Assemblies.............................................................................................5-32
Figure 5-19. Aperture Assembly FRUs (QDR 4500A and SL) ..................................................5-33
Figure 5-20. Aperture Assembly Removal (QDR 4500A and SL) .............................................5-35
Figure 5-21. Rear Drum Assembly FRUs ...................................................................................5-36
Figure 5-22. Front Drum Assembly FRUs ..................................................................................5-37
Figure 5-23. Drum Outer Bearings .............................................................................................5-38
Figure 5-24. Drum Inner Bearings ..............................................................................................5-39
Figure 5-25. The EMI Compliance Cable...................................................................................5-40
Figure 6-1. Scanner Motion Directions.........................................................................................6-3
Figure 6-2. Checking C-Arm Parallelism....................................................................................6-10
Figure 6-3 Tank Assembly Top view..........................................................................................6-13
Figure 6-4 Lexan Cup Screw Tightening Order..........................................................................6-14
Figure 6-5. Bladder Gasket Screws.............................................................................................6-14
Figure 6-6. Transformer Screws .................................................................................................6-15
Figure 6-7. Tank Cover Gasket ...................................................................................................6-16
Figure 7-1. Guide Bearing and Rail ..............................................................................................7-3
Figure 9-1. SUSQ Screen−X-Rays OFF .......................................................................................9-2
Figure 9-2. SUSQ Screen−X-Rays ON.........................................................................................9-2
Figure 9-3. SUSQ Screen Settings ................................................................................................9-3
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