GE COMPANY
DIRECTION 5472001-1EN, REVISION 6OPTIMA CT680 SERIES AND OPTIMA CT670 INSTALLATION MANUAL
Page 46 Section 7.0 - Gantry Bearing Gap Inspection
Section 7.0 Gantry Bearing Gap Inspection
All CT systems require a gantry bearing gap inspection before starting electrical calibration.
All international gantries are shipped in a wooden shipping crate that should not be removed until
it arrives at the installation site. This shipping container is designed to reduce the risk of shipping
damage.
The back cover needs to be removed to gain access to the gantry bearing.
7.1 Time and Personnel
7.2 Tools and Test Equipment
• Standard tool kit
• Inspection document
• 2.5 mm Allen wrench
• Rear cover dollies (Qty = 2)
• Flashlight
7.3 Preparation: Damage Indicators
If this is a Rotek bearing, a mark similar to that shown in Figure 1-13 is visible on the inside edge
of the black-colored bearing assembly.
Figure 1-13 Gantry Bearing - Rotek Label
The mark has a serial number in the same format as:
ROTEK 2TF4-44E1B-MA91960-8F-2372-REV13.
Required Persons Preliminary
Reqs
Procedure Finalization
2 (FE or mechanical supplier) 15 min 15 min 5 min
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