Instruction Manual FireGuard 2
Servicing
64
13542E/5
WORKSTEP
ADDITIONAL INFO / IMAGES
4.
Clean the measuring cell inserts.
Lift the measuring cell inserts (Figure 31,
pos. 3) out of the measuring cell housing and
clean them.
Pay special attention to the radiation absorp-
tion surfaces (circle) when doing this
–
these
must be clean.
Use a soft brush and damp cloth for
cleaning (no solvents!)
If the measuring cell inserts (Figure 31,
pos. 3) are stuck in the measuring cell hou-
sing, insert the screwdriver into the gap and
carefully lever out the inserts.
5.
Clean the sample heaters.
Only carry out this step if sample hea-
ters are present.
5.1: Let the sample heaters (Figure 31, pos. 4)
cool down first.
The sample heater can reach tempera-
tures of up to 80 °C!
5.2: Pull the sample heaters (Figure 31,
pos. 4) from the measuring cell inserts (Figure
31, pos. 3).
5.3: Using your thumb (see arrow in figure
below), push the heating element (B) out of
the insulating shell (A).
