Hologic QDR 4500 - Tightening the Lexan Cup Screws; Tightening the Bladder Gasket Screws; Tightening the Transformer Seal Screws; Figure 6-4 Lexan Cup Screw Tightening Order

QDR

4500 Technical Manual
6-14
Tightening the Lexan Cup Screws
Tighten the Lexan Cup seals in the following order using the torque settings in the above table:
5
7
3
4
2
1
8
6
Figure 6-4 Lexan Cup Screw Tightening Order
Tightening the Bladder Gasket Screws
Using the torque settings in the table above and referring to the figure below, tighten the Bladder
Gasket screws as follows:
1. Tighten screw #1, then #2, then #3, and then #4.
2. After screw #4, continue around the edge of the gasket in a clockwise direction, tightening
alternate screws, until returning to #4.
3. Continue around the edge of the gasket in a clockwise direction, tightening all the remaining
screws.
1
4
2
3
BLADDER GASKET SCREWS
Figure 6-5. Bladder Gasket Screws
Tightening the Transformer Seal Screws
Tighten the Transformer Seal screws using the torque settings in the table above and the
sequence in the figure below.