BERTHOLD TECHNOLOGIES LB 8300, Руководство по эксплуатации

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6 Maintenance and Repair Rod source shields LB 8300
32
64217BA2 Rev. 00, 10/2017
Required documents
•
Inventory list of the sources to be tested including indication of previous leak
tests.
•
Source certificate containing the following information: Nuclide, activity,
procurement date, physical/chemical form, description of the enclosure and
type of sealing, resistance against mechanical and thermal influences or
classification of the source design. The source certificate is provided together
with the source.
•
Information on the location, application as well as on the maximum customary
mechanical and thermal strains.
•
If the source is installed in a device, a drawing is to be provided. In the
drawing, the position of the source and of all parts intended to protect the
source against external influences must be clearly indicated. Recommendations
regarding the most appropriate test method should be given, e.g. by
indicating alternative test areas. If required, recommendations should be given
on how the necessary test can be conducted without affecting the
functionality of the system or device.
Alternative test areas:
Alternative test areas are areas of a shield which will most likely be contaminated
if a source is leaking.
1
2 Screwed sealing plug
Alternative test area
Fig. 11 Alternative test area
The following alternative test area of the shield can be used:
•
the area marked in grey in the figure above
1. Remove the guard plate and the screwed sealing plug (1) of the source
holder.
2. Conduct the contamination test at the alternative test area (2).