BERTHOLD TECHNOLOGIES LB4710-050, User Manual, Page: 91 / 227

Chapter 9 Maintenance
Mini-Switch LB 471
91
5
Grasp the source holder at the rear threaded part and pull it
out. Keep source holder with the source far away from your
body and put it down behind the shielding or an auxiliary
shielding.
6
Grasp source holder with a socket wrench and unscrew the
source from the source holder with a second socket wrench
(size 10). For this work, you may use the shielding housing as
an auxiliary shielding between source and body.
7
Grasp source with a pair of pliers and place it immediately into
the auxiliary shielding.
8
If required, clean and grease the thread on the source holder
and on the shielding.
9
Using the pair of pliers, take the new source out of the
transport shielding and fix it with screw on the source holder
together with the snap ring.
Note!
Make sure that no mix-up with other sources occurs.
10
Place source holder with source again into the shielding and fix
it with the socket wrench.
11
Check the proper “OPEN/CLOSED” function.
12
Place the old source into the transport shielding and close it
carefully.
13
After replacement of a source, attach the new source number
on the shielding or replace the type label.
14
Calibrate system new. See software manual.