Siemens-Elema AB SRX-MK RX B7-230.092.01.01.02 MAMMOMAT 3000
Solna, Sweden REV.01 10.95 Collimator holder
Modification of collimator holder 2-5
6 Use an electric drilling machine and Ø 6.8 mm drill to work up all four holes for the
collimator holder.
7 If necessary, use a file to deburr.
Figure 6 Work-up of holes
CAUTION!
Be careful not to damage any parts during drilling operation or let any drillings or filings
fall down on electrical or mechanical parts.
8 Remove plastic bag and plastic cover carefully. Vacuum-clean the stand to remove
any filings/drillings.
9 Remove the cable tie that holds the collimator in hanging position.
10 Install the collimator with the four new Allen screws and washers.
11 Reconnect the cables and secure with new cable ties in the same way as previously.
12 Install the collimator protective cover.
13 Check that the cable-tie heads inside the protective cover are pointing upwards.
CAUTION!
Cable-tie heads pointing in wrong direction can prevent motion of internal diaphragm
near end position caused by contact with the collimator protective cover.
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