6
Maintenance
6.1
Maintenance table
Work to be carried
Components
out
Device and
Visual check for
components
damage
Pressure
Check and replace
regulator O-ring
if necessary
Replace
Measuring device Check flow using
bubble test
Check volume flow
Sintered filter
Replace
Pressure
Major overhaul
regulator and
measuring device
1)
Visual inspection for correct seating, damage, or contamination
2)
By Dräger
6.2
NOTICE
Do not clean the metering valve with soapy water. After
cleaning the measuring device, ensure that each metering
valve has been screwed back into the appropriate connection
on the measuring device.
1. Clean the instrument with compressed air with a breathing
2. After each use, blow out the tube holder (rubber part) with
If the measurement indicates that the measured air is
1)
X
contaminated:
3. Purge the device with clean air for at least 6 minutes.
4. In case of severe contamination, remove the measuring
X
X
5. Dry with oil-free and dry air.
2)
X
6. Purge the metering valve
X
2)
X
7. Mount the measuring
Cleaning
air quality according to DIN EN 12021.
compressed air.
device. Clean the individual components (excluding the
metering valves) with soapy water.
with oil-free and dry air
only in the direction of the
arrow.
device.
en
Maintenance
39
