5.7 Fuse inspection/change procedure Rx3000
The fuse holder is mounted on the rear of the plastic cabinet, it is located just above the
access door on the left hand side of the cabinet (see image below).
Figure 8: Fuse Holder
Remove the fuse.
Insert a flat point screwdriver into the slot on the fuse holder. Push on the screwdriver to
release the spring pressure and . The light grey portion of the fuse holder will then
protrude from the cabinet and can be removed to expose the fuse.
Inspect the fuse.
The fuse elements of a good fuse should be easily viewed through the clear quartz
envelope of the fuse. If the quartz envelope is discolored or broken the fuse should be
replaced.
Replace fuse.
Pull old fuse from the light grey fuse holder and replace with a new fuse. Place the fuse
and holder in the cabinet and lock in place by inserting light pressure on the screwdriver
and turning the screwdriver one quarter turn in a clockwise direction.
IMPORTANT: Replace only with Bussmann fuse part # MDL-5.
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