Service and maintenance
10.2 Maintenance work
ULTRAMAT 23
Manual, 3/2016, A5E37100388-003
169
To replace the fuses, proceed as follows:
1. Remove the fuse holder above the appliance plug.
Use a small screwdriver to do this.
2. Remove the blown fuse from the holder.
3. Insert a new fuse.
4. Insert the fuse holder into the compartment again.
Note
Only fuses of the type printed on the rear of the analyzer may be used (see also
section
Electronics (Page 190)).
Replacing the fine safety filter
To replace the filter, proceed as follows:
● Unscrew the four screws of the top housing cover, and remove the cover to the rear.
● Determine the contaminated filter according to its type (see Gas path (Page 187)).
● Remove the hoses from the filter.
● Remove the old filter.
The filter must be disposed of as residual waste.
● Insert the new filter.
When installing the filter, make sure that the arrow on the filter points in the gas flow
direction.
● Push the cover back onto the housing and screw tight.
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