7
Maintenance
5200-en_V2.0_06/20
97
7.5
Servicing gravimetric filter
The filter insert in the gravimetric filter can be removed and cleaned. The fil-
ter can be pulled out of the aerosol sensor from below without using any
tools.
2
1
Gravimetric filter on aerosol sensor
1 Gravimetric filter
2 Hose
Disassembling gravimetric filter
1.
Retract the ring on the plug connection to the gravimetric filter and pull
the hose out of the plug connection.
2.
Pull the gravimetric filter down and off.
3.
Turn the upper part and lower part of the filter counterclockwise to
open the filter. If the parts cannot be turned by hand, use a suitable pli-
ers with a cloth as the contact surface.
ð
The filter insert is now loose and can be cleaned.
Assembling gravimetric filter
1.
Screw together the upper part and lower of the filter clockwise,
handtight. Do not use tools.
2.
Insert the gravimetric filter into the sensor housing.
3.
Insert the hose in the plug connection.