Calibration; 17 5.3 Service Intervals; 17 5.3.1 Replacing The Battery Pack; Special Accessory) - Bosch BEA 070 Originalbetriebsanleitung

5. Maintenance
!
Work on electrical equipment is only to be per-
formed 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 re-
gulations of the respective country).
5.3 Service intervals
i
Routine maintenance ensures constant readiness
for operation.
The following maintenance intervals are to be obser-
ved unless otherwise specified by the approval autho-
rities.
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 Monthly
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 sam-
pling hose with oil-free compressed air.
Robert Bosch GmbH
Six- Yearly
monthly
X
X
X
X
Maintenance | BEA 070 | 23 |
5.3.4 Cleaning the optical heads and measuring
chamber
Cleaning is due when an error message appears say-
ing that the device is not ready for measurement and
cleaning is necessary.
i
Irrespective of this message, we recommend per-
forming 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 cham-
ber with solvents or detergents!
en
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1 689 989 113 2020-06-24