GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Page 230 Chapter 7 - Gantry
7.) Refer to Figure 7-7. Assemble the small Nut Bearing Housing, P/N HB60002014, to the
Tracking Bearing Basis using two M8 x 16 mm screws.
Figure 7-7: Driving Mechanism – External Assembly
8.) Take the tracking trapezoidal screw, 2294696 (lead screw), insert it into the small bearing unit
and fix the retainer ring in position.
9.) Refer to Figure 7-4 and Figure 7-5. Take the Driving Nut Holder and assembled parts, and
screw them into the Tracking Trapezoidal Screw.
10.) Refer to Figure 7-8. On the front side of the gantry, assemble the tracking screw support
Flange, P/N 2299163, onto the Tracking Screw Support Bracket, P/N 2299164, using three
M4 x 12 mm screws.
Figure 7-8: PET Gantry Drive Mechanism Sub-Assemblies (View 3)
Retaining Ring
Bearing Housing
Flange
Tracking Screw Support Bracket
M6 x 10 mm
Note: Viewed from inside the PET Gantry.
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