GE Optima CT680 Series - Section 9.0 System Ground Connections

GE COMPANY
DIRECTION 5472001-1EN, REVISION 6OPTIMA CT680 SERIES AND OPTIMA CT670 INSTALLATION MANUAL
Page 132 Section 9.0 - System Ground Connections
Section 9.0 System Ground Connections
Figure 2-38 Table/Gantry Raceway Bus - Grounds
Various types and sizes of wire are used to ground the system. Please use the type and sizes
specified in Table 2-17.
All connections should be torqued to the values in the chart below:
AWG # Connection To Connection To Used on:
#10 Gantry (Power Pan) Raceway All
#8 Left-side Panel Option Raceway Option
#2 Console Raceway All
#2 Table (frame) Raceway All
#1/0 Gantry Raceway All
#8 Respiratory Gating Option Raceway Option
#1/0 PDU Power Main All
#8 Right-side Panel Option Raceway Option
Table 2-17 System Ground Connections
Wire Size AWG Bolt/Hex
#14 - 8 6.25 (8.5 N-m)
#6 - 4 12.5 ft-lb (17 N-m)
#3 - 1 21 ft-lb (28.5 N-m)
#0 - 2/0 29 ft-lb (39.3 N-m)
Table 2-18 Ground Torque Values
45213 6 87 9 10 11 12 13 14 15 16 17 18 19 20
Gantry
Power Pan
Ground
Console Gantry PDU
Tab l e
Table Base
Gantry Base
Respiratory Gating
Option
Left-side Panel
Option
Right-side Panel
Option
#10 #2 #1/0 #1/0#8
#8 #8#2