Bosch BEA 070 Notice Originale page 22

en 22 | BEA 070 | Maintenance
5. Maintenance
!
Work on electrical equipment is only to be
performed by persons with sufficient knowledge
and experience of electrical systems!
5.1 Cleaning
!
Do not use abrasive cleaning agents and coarse
workshop cloths!
¶
The housing and the LCD are only to be cleaned
using a soft cloth and neutral cleaning agents.
5.2 Calibration
For applications demanding mandatory calibration,
regular calibration is essential. (depending on the
regulations of the respective country).
5.3 Maintenance
5.3.1 Replacing the battery pack
(special accessory)
Battery pack replacement is described in installation
instructions 1 689 978 579.
5.3.2 Maintenance intervals
Action
Clean exhaust gas sampling
probe and sampling hose
Clean optical heads and
measuring chamber
Clean collector
Clean charging contacts
5.3.3 Cleaning the exhaust gas sampling probe
and sampling hose
!
The exhaust gas sampling probe and sampling hose
must be blown out with an extraction system, to
prevent soot and dust from being breathed in.
R
Detach the exhaust gas sampling hose from the
BEA 070.
R
Blow out the exhaust gas sampling probe and
sampling hose with oil-free compressed air.
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1 689 989 183 2019-07-24
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5.3.4 Cleaning the optical heads and measuring
chamber
Cleaning is due when an error message appears saying
that the device is not ready for measurement and
cleaning is necessary.
i
Irrespective of this message, we recommend
performing maintenance every month, depending
on how often the device is used.
The procedure described below applies to both the
transmitter and receiver side.
1. Using a screwdriver, remove the covers (fig. 1,
pos. 3, 13) from the side walls (fig. 2).
Fig. 2: Removing the cover
2. Pull out both optical heads by hand (fig. 3).
Fig. 3: Pulling out the optical head
!
Do not clean the optical heads or measuring
chamber with solvents or detergents!
Robert Bosch GmbH