Instruction Manual FireGuard 2
Servicing
78
13542E/4
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9.3
Cleaning the optics
The following procedure describes how to clean the optics on the FireGuard 2:
The photometer can be disassembled using an Allen wrench (size 7).
The screws must not be overtightened, as the thread may then be damaged.
Do
not exceed a tightening torque of 1 Nm
.
Check all removed parts for possible damages or signs of wear and replace with new
parts when necessary.
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
Only carry out this step for installation in
suspended ceilings.
Loosen and swing away the two fastening clips
(circles). Lift the photometer out of the meas-
uring position.
2.
Remove the measuring cell housing (Figure 31,
pos. 2) by loosening the screws on both sides
of the electronic component.
The sample heater can reach tempera-
tures of up to 80 °C!
Содержание FireGuard 2 Integral
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