Hologic DISCOVERY A - Page 204

Discovery QDR Series Technical Manual
5-38
Figure 5-21. Front Drum Assembly FRUs
Figure 5-22. Drum Bearings
1. Remove the aperture assembly and drum belts (see procedures above).
2. Remove the 2 drum motor mount screws (see Figure 5-18)
Stepper Motor Assembly
010-0627
Belt, 150 Teeth
Belt, 130 Teeth
255-0030
255-0031
Drum Motor Mount
Idler Arm
Bearing
250-0046
Bearing
250-0046
Endplate
Endplate
Lead Shield
Side Plate
Lead Shield
Side Plate
Alignment Hole