GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Chapter 7 - Gantry Page 227
7.5 PET Gantry Replacement Procedures
For repair procedures for the Advance PET gantry components: Refer to the Advance PET
Imaging Repair Procedures, Direction 2100323.
7.5.1 PET Gantry Drive Mechanism Replacement (P/N 2290248)
The PET Gantry drive mechanism is shown in Figure 7-3.
Figure 7-3: PET Gantry Drive Mechanism
Note: The sub-assemblies of the drive mechanism are shown in Figure 7-5, Figure 7-6 and Figure 7-8.
To replace the PET gantry drive mechanism:
1.) Disassemble the old drive mechanism by loosening the 4x M6 screws on the gantry back
beam, and removing the back and front bearing bases (Figure 7-4).
Figure 7-4: Driving Mechanism – Internal Assembly
Tracking trapezoidal
Shaft for Electric Drill
screw drives PET Gantry
to and from service
position.
Nut Bearing Housing
Retaining
Ring
Nut Rotation Stopper
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