GE MEDICAL SYSTEMS CT 9800 QUICK SYSTEM
Rev. 1 Direction 18000
6-3-10
3-4 Disk System Adjustments (Continued)
F. Head Alignment
This adjustment may make it impossible to retrieve patient data from the disks. Archive patient data, Q Cal
and characterization files from all disk packs prior to making this adjustment.
Head alignments may be done with or without a Data General Disk Maintenance Unit (DMU). If a DMU is
available, follow the “Head Alignment Procedure” in DG #11, Part 2. If a DMU is not available, use the
following procedure, that utilizes a scope instead of the DMU.
This procedure should be used by experienced disk drive maintenance personnel only. Catastrophic failures
can be caused by inexperienced personnel.
Tools required:
46-186572P619 Adjustment Tool Kit containing:
46-186572P542 Head Adjustment Tool
46-186572P543 Carriage Locking Pin
46-186572P613 Head Insertion/Removal Tool
46-186572P614 Torque Driver Bit
46-186572P409 Torque Driver
46-183005P27 190 MByte CE Alignment Pack
Oscilloscope HP 1741 or equivalent
Standard hand tools
DTOS Tape
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