GE Discovery LS System Service Manual page 29

GE H
EALTHCARE
D 2307224-100, R
IRECTION EVISION
Figure 6-140: Hardware Configuration Panel .........................................................................................................211
Figure 6-141: Final PET and CT Flag Adjustment ..................................................................................................212
Figure 6-142: Adjust PET Flag ...............................................................................................................................213
Figure 6-143: 2328900-2SCH ................................................................................................................................213
Figure 6-144: 2338513SCH ....................................................................................................................................214
Figure 6-145: Clutch Motor and Base Position Potentiometer ...............................................................................215
Figure 6-146: Front Pulley ......................................................................................................................................217
Figure 6-147: Timing Belt Clamp ............................................................................................................................218
Figure 6-148: Secondary Base Motor - General View ............................................................................................219
Figure 6-149: Motor - View 2 ..................................................................................................................................219
Figure 6-150: Motor Assembly and Coupling Removed .........................................................................................220
Figure 6-151: Motor Showing Groove and Set Screw ............................................................................................220
Figure 6-152: Clutch Plates ....................................................................................................................................221
Gantry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Figure 7-1: Gantry Transport Mechanism ...........................................................................................................224
Figure 7-2: Table Retractors ...............................................................................................................................225
Figure 7-3: PET Gantry Drive Mechanism ..........................................................................................................227
Figure 7-4: Driving Mechanism - Internal Assembly ..........................................................................................227
Figure 7-5: PET Gantry Drive Mechanism Sub-Assemblies (View 1) ................................................................228
Figure 7-6: PET Gantry Drive Mechanism Sub-Assemblies (View 2) ................................................................229
Figure 7-7: Driving Mechanism - External Assembly .........................................................................................230
Figure 7-8: PET Gantry Drive Mechanism Sub-Assemblies (View 3) ................................................................230
Figure 7-9: Retractor Assembly ..........................................................................................................................231
Figure 7-10: Retractors Mechanical Connection (General View 1) ......................................................................232
Figure 7-11: Retractors Mechanical Connection (General View 2) ......................................................................232
Figure 7-12: External Retractor Cables Cross Section .........................................................................................233
Figure 7-13: Placing Cable Inside Retractor .........................................................................................................234
Figure 7-14: External Retractor Connected to Legs Crossbeam ..........................................................................235
Figure 7-15: External Retractor and Cables .........................................................................................................235
Figure 7-16: Internal Retractor Cables .................................................................................................................236
Figure 7-17: External and Internal Retractors Connected to Legs Crossbeam ....................................................238
Figure 7-18: Internal Retractor and Cables ..........................................................................................................238
Figure 7-19: External Cables Connections to A36-1 and A37-1 Brackets ............................................................239
Figure 7-20: Power Cable Connections to A36-2 Bracket ....................................................................................239
Figure 7-21: Replacing the Short Positioning Pin #1 ............................................................................................240
Figure 7-22: Replacing the Short Positioning Pin #2 ............................................................................................240
Figure 7-23: Removing Covers - Illustration 1 ......................................................................................................241
System QC, Calibration and Functional Tests . . . . . . . . . . . . . . . . . . . . . . . . . 243
Figure 8-1: VQC Phantom ..................................................................................................................................244
Figure 8-2: Exam Rx Desktop ............................................................................................................................245
Figure 8-3: New Patient Icon ..............................................................................................................................245
Figure 8-4: Patient Information Screen ...............................................................................................................246
Figure 8-5: Selecting the Protocol ......................................................................................................................247
Figure 8-6: Initial Volumetric QC Panel ..............................................................................................................248
Figure 8-7: Images Database Navigator .............................................................................................................248
Figure 8-8: Images Database Navigator Showing Image Sets List ....................................................................249
Figure 8-9: Image Alignment Table ....................................................................................................................249
Figure 8-10: VQC Results Report - Mechanical Calibration .................................................................................251
Figure 8-11: PET Positioning Block Adjustment ...................................................................................................253
Figure 8-12: Driving Assembly Holding Bracket ...................................................................................................253
Figure 8-13: High-Load Rollers ............................................................................................................................254
6
List of Figures
D LS S S
ISCOVERY YSTEM ERVICE
Page 29
M
ANUAL