BERTHOLD TECHNOLOGIES LB4710-080 - Replacing the Source

Chapter 9 Maintenance
Mini-Switch LB 471
90
9.5.1 Replacing the Source
1
Open padlock

on the shielding.

Shielding

Lever

Padlock

Safety screw

Knob
2
If necessary, unscrew safety screw

from lever.
3
Pull off knob

and rotate lever

to the right by 90 degrees
to the center position between “OPEN” and “CLOSED”. The Al-
len screw head of the source holder is now visible. (With some
versions the shutter plate has to be removed to be able to un-
screw the source holder.)
4
Using a socket wrench (size 12), unscrew the source holder

together with the source

.

Shielding


Locking core


Radiation channel


Point sources


Source holder

Lever


Padlock


Cover plate
Figure 50:
Point source shielding
Figure 51:
Point source shielding -
sectional drawing




Rotate
by 90°








