GE CT-9800

GE MEDICAL SYSTEMS CT 9800 QUICK SYSTEM
Rev. 1 Direction 18000
4-2-5
3. Using a Microguard or equivalent device, measure the DC resistance between the following components in
the system and verify the specifications given.
Ground Specifications
Max DC resistance of 0.01 ohm between:
(SPGP) and (CSCGP)
(SPGP and (XSCGP)
H.V. Transformer and (XSCGP)
Auxiliary Comp Cabinet and (CSCGP)
Disc Drive and (CSCGP)
Operators Console and (CSCGP)
Diagnostic Console and (CSCGP)
Multiformat Camera and (CSCGP)
Line Printer and (CSCGP)
All other display or Computing Options and (CSCGP)
Max DC resistance of 0.025 ohm between:
Vault Ground and (SPGP)
(SPGP and (CTRGP)
Table and (CTRGP)
Gantry and (CTRGP)
Any room facility patient ground points and (PGP)
Ground Definitions:
System Power Ground Point (SPGP)
This is in the PDU on A2TS1
Computer System Component Ground Point (CSCGP)
This is in the bottom of the Main Computer Cabinet
X-Ray System Component Ground Point (XSCGP)
This is in the MPX Power Unit
CT Table/Gantry Reference Ground Point (CTRGP)
This is in the raceway between the Table and Gantry
Patient Ground Point (PGP)
This is the 2 jack plug points in the cover of the raceway between the Table and Gantry.