GE Discovery LS - 9.1.1.4 Greasing the PET Gantry Linear Bearings; 9.1.1.5 Greasing the High Load Rollers Linear Guide; 9.1.1.6 Greasing the Secondary Base Linear Bearings; 9.1.2 Checking the Timing Belts Adjustments and Tightness

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Chapter 9 - Planned Maintenance (PM) Page 261
9.1.1.4 Greasing the PET Gantry Linear Bearings
Figure 9-1: Greasing the Linear Bearings
1.) Remove the screw or grease fitting from the lubrication points.
2.) If necessary, clean the linear rail using medical alcohol.
3.) Attach a grease gun to the grease fittings and fill them with 2.9 g (three full grease pumps) of
AFB grease.
4.) Apply a few dabs of grease to several points on both sides of the linear rail.
5.) Move the linear bearings several times back and forth along the rail to spread the grease on
the rail.
9.1.1.5 Greasing the High Load Rollers Linear Guide
1.) Apply a few dabs of grease to several points along the linear guide.
2.) Move the high-load rollers several times back and forth along the guide to spread the grease
on the guide.
9.1.1.6 Greasing the Secondary Base Linear Bearings
Follow the procedure described in Section 9.1.1.4.
9.1.2 Checking the Timing Belts Adjustments and Tightness
Check the timing belt and pulley of all the belts:
• Check the belt for wear and tear.
• Check the belt for proper tension. Press the belt with your finger and verify that the belt is
not too loose or too tight.
• Verify that the pulleys are properly secured on the shafts.