56 Instructions for use | LAR 8000
en | Maintenance
8 Maintenance
8.1 Maintenance intervals
Dräger recommends the following maintenance intervals. If necessary, observe
national guidelines which may provide for other intervals. The function and leak test
must be repeated after maintenance work and/or after replacing components.
Before
use
After
use
At least 1x
each year
Every 2
years
Every 6
years
Check the readiness of the device X
Fill the CO
2 absorber X
Clean the device X
Disinfect the device
X
1)
1) Not applicable if personal equipment
X
Perform visual inspection, pay particular
attention to breathing bag cuffs and all
rubber parts
X
X
Pressure reducer: Replace sealing ring
of high-pressure connector
X
2)
2) By Dräger or trained personnel
Replace O-rings and control valves on
the breathing hose assembly
X
2)
Replace the diaphragm and O-rings on
the lung demand valve
X
2)
Replace the diaphragm and O-rings on
the relief valve
X
2)
Replace the O-rings on the nitrox switch
(shaft)
X
2)
Replace the O-rings on the CO2
absorber
X
2)
Replace the breathing bag X
Replace the breathing hoses X
Replace the water trap
X
2)
Replace all medium- and high-pressure
hoses
X
2)
General overhaul, entire device, incl.
pressure reducer
X
2)
Compressed gas cylinders Filling, general overhaul, TÜV or DOT test according to the
corresponding instructions for use. Observe the relevant
national regulations.