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26 | Denoxtronic 2.1 | Special accessories
4.
Special accessories
4.1
Testo gas detector
The gas detector by the Testo company (fig. 13) is used
for leakage tests on the AdBlue deliver module.
As test medium, forming gas (5 % H2, 95 % N2) is used.
Procure the gas detector directly from the Testo
company.
Order number:
0632 0323
Contact:
www.testo.com
info@testo.de
Fig. 13:
Testo gas detector
i
On initial commissioning, the gas detector must be
set to the gas type H2 (hydrogen) and the acoustic
concentration indicator must be switched on. Follow
the manufacturer's operating instructions.
i
The manufacturer recommends to have a calibration
performed once a year.
i
Detailed instructions on use and handling can be
found in the separate ESI[tronic] repair instructions
Denoxtronic 2.1.
|
1 689 989 404
2019-03-01
4.2
Voltage stabilizer
Required voltage regulator: 30 V DC / min. 20 A.
Recommended voltage regulator: Bosch 1 687 022 873
i
Optimum measurements can only be guaranteed
when the Bosch voltage regulator is used (order
number 1 687 022 873).
Adjusting the voltage regulator
1. Switch on the voltage stabilizer, and set it to a
voltage of 24 volts.
2. Turn the current regulator to "Maximum".
"
The voltage stabilizer is now ready for operation.
i
Detailed instructions on use and handling can be
found in the separate ESI[tronic] repair instructions
Denoxtronic 2.1.
4.3
Hand pump 1 687 222 191
The hand pump is used to test leaks in the supply
module housing and coolant circuit.
Fig. 14:
Hand pump 1 687 222 191
1 Coupling, nominal width NW5
2 Digital display 0 – 400 k Pa
3 Battery compartment for a lithium battery, type CR 2430, 3 V
4 Plunger
5 Valve
i
Detailed instructions on use and handling can be
found in the separate ESI[tronic] repair instructions
Denoxtronic 2.1.
i
The lithium battery, type CR 2430, 3 V, is not
included in the delivery.
i
Follow the instructions on changing the battery in
the "Maintenance" section.
Robert Bosch GmbH
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