Dräger HFG 000 Series Technical Manual

52 Technical manual | X-am® 3500/8000
Maintenance
Next steps:
► After every sensor exchange, the fresh air calibration / zero-point calibration
must first be carried out followed by the span calibration (multi-gas or single-
gas).
► For the XXS O
2, Dräger recommends testing the alarm feature with a suitable
test gas after the fresh air calibration.
6.8 Cleaning the PID lamp (X-am 8000 only)
During calibration of the PID, the gas detector recognises a dirty lamp and triggers
a corresponding warning. If this warning is displayed, the lamp window must be
cleaned. To clean the lamp window, silicon-free single-use gloves and the
DrägerSensor PID cleaning set (order number 83 19 111) must be used. The
cleaning set can only be used once.
WARNING
Imprecise measured value (for PID)!
Contamination of the front lamp window (C) may negatively influence the measured
value.
► Do not scratch or soil the front lamp window.
To clean the PID lamp:
1. Remove the sensor. For further information, see the following chapter:
"Exchanging, adding or removing a sensor", page 48
2. Remove the stainless steel shielding cap, sensor cap and both filters (I).
3. Remove the plastic insert, e.g. by lifting it off of the edge of the sensor with
tweezers (II).
4. Lift out the ionisation cell by carefully hooking the tweezers under it on the side
with the contact pins and pulling it out (III). Do not bend the ionization cell.
35006
II. III.I.
IV. V. VI.
D
C
B
A

Dräger HFG 000 Series Specifications

General

Brand	Dräger
Model	HFG 000 Series
Category	Gas Detectors
Language	English