Siemens 7MB2335, Operating Instructions Manual, Page: 106 / 168

Maintenance
6-8
Operating instructions ULTRAMAT 23 gas analyzer
C79000-B5276-C216-03
6.2.2 Replacement of Fuse
!
Explosion hazard
Do not disconnect equipment when a flammable or combustible
atmosphere is present.
Do not remove or replace lamps or fuses unless power has been
disconnected or when a flammable or combustible atmosphere is
present.
Failure to observe these safety instructions may result in death, severe
personal injuries and or substantial damage to property and
environment.
To replace the fuse proceed as follows:
S
Remove the fuse holder underneath the appliance plug (see
Section 3, Technical Description). Use a small screwdriver to do
this.
S
Remove the blown fuse from the holder.
S
Insert a new fuse.
Note
Only fuses of the type printed on the rear of the analyzer may be used
(see also Spare Parts List on page 8-14).
S
Insert the fuse holder into the compartment again.
6.2.3 Replacement of Safety Filter
S
Unscrew the four screws of the top housing cover, and remove
the cover to the rear.
S
Find the contaminated filter according to its type (see Section 7,
spare parts list, page 7-18, pos. 14 and 15).
S
Remove the hoses from the filter.
S
Replace the contaminated filter.
The filter must be disposed of as residual waste!
Preparation