GE Optima CT680 Series Installation Manual page 164

GE C
OMPANY
D 5472001-1EN, R
IRECTION EVISION
4.) Press the alignment light push button.
5.) Verify that the gantry did not rotate.
ROTATION SAFETY CHECKLIST
1.) Manually rotate the gantry 360 degrees.
2.) Turn ON all enable switches.
WARNING MAKE SURE THERE ARE NO OBSTRUCTIONS AROUND THE GANTRY. PRESSING
THE ALIGNMENT LIGHT PUSHBUTTON WILL CAUSE THE GANTRY TO ROTATE.
3.) Press the alignment light push button.
4.) Verify that the gantry rotates.
5.) Turn off the laser light.
6.) Perform a 2-second X-ray OFF scan.
NOTICE During the scan, it may be necessary to enter the scan room to obtain a better listening
position. If so, keep a finger on one of the four E-STOP buttons (on the gantry), to quickly
stop the gantry, if necessary.
7.) Confirm all enabled switches are on then install removed covers.
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6
- Listen for any interference between the rotating and stationary parts.
(Correct any interference problems.)
- Listen for any loose parts.
(Tighten parts as needed.)
a.) From the console, click on the SERVICE DESKTOP icon.
b.) Select DIAGNOSTICS.
c.) Select DIAGNOSTIC DATA COLLECTION
d.) Set the scan time to 4.00 seconds and rotating X-ray Off.
e.) Select ACCEPT.
f.) Leave the door open. (This makes it easier to hear any loose or interfering parts.) The
gantry should spin for approximately 45 seconds
* Listen for any interference between the rotating and stationary parts.
(Correct any interference problems.)
* Listen for any loose parts.
(Tighten parts as needed.)
g.) After completing the 4-second scan, repeat Step a through Step f, with the following scan
times:
* 2.0 second scans
* 1.0 second scans
* 0.7 second scans
* 0.5 second scans
Section 6.0 - Electrical Power On & Ground Checks
O CT680 S O
PTIMA ERIES AND PTIMA
CT670 I M
NSTALLATION ANUAL