1 689 989 113 2012-11-26| Robert Bosch GmbH
Maintenance | BEA 070 | 25 en
! Do not clean the optical heads or measuring cham-
ber with solvents or detergents!
3. Push the cleaning brush through the tube of the
measuring chamber until it is visible on the opposite
side.
BEA 070
459909-06_K
o
Fig. 4: Cleaning the tube of the measuring chamber
4. Clean the tube of the measuring chamber with the
brush.
5. Clean the glass surfaces of the two optical heads
with a clean cloth (Fig. 5).
BEA 070
459909-07_K
o
Fig. 5: Cleaning the optical head
6. Push the two optical heads back in.
7. Re-attach the covers.
"The measuring chamber tube and optical heads are
clean.
5.3.5 Cleaning the collector
1. Lay the BEA 070 on its back on a clean surface
(table).
2. Remove the three screws of the collector on the
underside of the device (Fig.6).
3. Remove the collector.
BEA
070
459909-04_Ko
Fig. 6: Removing the collector
4. Clean the collector with a clean cloth (Fig. 7).
Carefully remove stuck-on soot particles using a
suitable tool (e.g. screwdriver), and clean once more
with a clean cloth.
459909-02_Ko
Fig. 7: Cleaning the collector
5. Re-attach the collector to the underside of the
device, and screw in place.
"The collector is clean.
5.3.6 Cleaning the charging contacts
Clean dirty charging contacts (on the underside of the
BEA 070) with a soft cloth only.