Maintenance
R&S
®
OSP
306
User Manual 1178.7100.02 ─ 05
Figure 12-1: Removing the fuse holder (holes to unlock marked red)
3. Press the tool tip towards the fuse holder to unlock the first flat plastic spring that
fixes the fuse holder in its housing.
4. Unlock the flat plastic spring on the opposite side of the fuse holder in the same
way.
When both plastic springs are released, the fuse holder is partly ejected by the
load of two metal springs.
5. Pull the fuse holder out of its housing, as on the right in
Figure 12-2: Replacing the fuses
6. Remove the fuses from the fuse holder as in
7. Check the condition of the fuses.
8. Replace any blown fuse.
Only use fuses of the specified type, as indicated next to the fuse holder.
9. Insert the assembled fuse holder into the housing, while observing the correct ori-
entation.
Due to the fuse holder's shape, inserting it in the wrong orientation is not possible.
10. Push the fuse holder into its housing, until it is level with the surface.
A clicking sound indicates that the flat plastic springs have snapped in.
12.2
Cleaning
For safe cleaning, see
Cleaning