Hologic DISCOVERY A, Technical Manual

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Discovery QDR Series Technical Manual
5-12
11. Restore power, boot the computer and login as Service.
12. Perform the procedure in “MOTOR$TX” on page 3-40.
Note: When starting the MOTOR$TX calibration procedure, make sure the
encoder coupling setscrew is not tightened.
5.5 Table Z FRUs (A and SL only)
This section describes how to remove and replace the FRUs associated with Table Z (up
and down) motion of the Discovery (see Figure 5-5).
Figure 5-5. Table Z FRUs
5.5.1 Pedestal
To remove and replace either pedestal, refer to Figure 5-6 and follow the procedure below.
The procedure requires two pieces of 2 x 4 lumber, approximately 3 feet long, and two
pieces of foam padding.
Linear Encoder
(old style)
Pedestal Power Plug
Pedestal (covers removed)
TZ Motor (not visible)
String Encoder
(new style, right side,
left side not shown)