How To Clean Sampling Cell; Replacement Of Fuse - Fuji Electric ZPA Instruction Manual

7.4.2 How to clean sampling cell

1) To clean the sampling cell inside or infrared ray transmission window, fi rst clear large dirt of
it with a soft brush and then wipe lightly with soft cloth.
Do not use abrasive or paper cloth.
Note) Handle the fragile window with care. Use care not to rub off the dirt from the win-
dow roughly.
2) If the window or the sampling cell interior is very dirty, use a soft line-free cloth moistened
with absolute alcohol.
3) If the window is corroded, rub off the scale from the window lightly with a soft cloth to
which chrome oxide powder is applied. If it is excessively corroded, it should be replaced
with new one.
4) When the sampling cell or window cleaning is completed, assemble according to the sam-
pling cell disassembly and assembly procedures. Assemble the pipe carefully. If it becomes
bent or damaged, replace it with a new part.
5) Do not wash the sample cell components with water.

7.5 Replacement of fuse

Note) Prior to the following work, be sure to repair blown down fuse (short, etc), if any.
(1) Turn "OFF" the main power supply switch to the analyzer.
(2) Turn the fuse holder cap (shown in the fi gure above) counterclockwise and pull it out, and the
cap will be removed. Remove a fuse out of the holder. Replace it with a new one.
(250V.T.2A.L delay type).
(3) Reinstall the fuse holder cap, turn ON the power supply switch. The work will be completed
if the analyzer starts up normally.
INZ-TN2ZPA-E
Rear view
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Fuse holder