GE MEDICAL SYSTEMS CT 9800 QUICK SYSTEM
Rev. 12 Direction 18000
6-i
CHAPTER 6
ADJUSTMENTS
TABLE OF CONTENTS
SECTION TITLE PAGE
1 INTRODUCTION & DEVICE CODES.............................................................................6-1-1
1-1 Introduction.........................................................................................................6-1-1
1-2 System Device Codes..........................................................................................6-1-1
2 SYSTEM POWER.........................................................................................................6-2-1
3 DATA PROCESSING ADJUSTMENTS...........................................................................6-3-1
3-1 Alpha-Numeric System Adjustments.....................................................................6-3-1
3-2 S/140 Computer Adjustments...............................................................................6-3-1
3-3 6026 Mag Tape Adjustments................................................................................6-3-1
A. Load Command String Interpreter...................................................................6-3-1
B. Tape Path Alignment......................................................................................6-3-3
C. Capstan Shimming.........................................................................................6-3-4
D. Capstan Velocity Adjustment..........................................................................6-3-4
E. EOT/BOT Sensor Alignment...........................................................................6-3-5
F. Head Alignment.............................................................................................6-3-5
G. Read Gain Master Level Adjustment...............................................................6-3-6
H. NRZI Read Data Recovery Adjustment ...........................................................6-3-6
I. Reel Servo (Vacuum Level) Adjustment ..........................................................6-3-6
J. Supply Hub Tension Adjustment.....................................................................6-3-7
3-4 Disk System Adjustments.....................................................................................6-3-7
A. Spindle Lock Adjustment................................................................................6-3-7
B. Spindle Belt Adjustment .................................................................................6-3-7
C. Spindle Speed Sensor Adjustment..................................................................6-3-7
D. Retract Switch Adjustment .............................................................................6-3-7
E. Servo Null Adjustment....................................................................................6-3-7
F. Head Alignment...........................................................................................6-3-10
G. Velocity (Tach Cal) Adjustment.....................................................................6-3-20
H. Spindle Carriage Alignment ..........................................................................6-3-22
I. Adapter Power Supply Adjustments ..............................................................6-3-22
4 X-RAY SUBSYSTEM ADJUSTMENTS
(Refer to Direction 18006 X-Ray, Chapter 6)
5 TABLE/GANTRY ADJUSTMENTS
(Refer to Direction 18005 Table/Gantry, Chapter 6)
6 DETECTOR/DAS/AP ADJUSTMENTS
(Refer to Direction 18008 RDCS, Chapter 6)
7 MULTIFORMAT CAMERA ADJUSTMENTS
(Refer to SM B7800GA/GE CT Multiformat Camera, Chapter 6
or MI-10 Camera manual - Adjustment procedures)
8 RESERVED FOR FUTURE USE
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