Maintenance; 17 8.1 Resetting The Pressure Sensor Zero Point; 17 8.2 Changing The Adapter - Bosch CRI/CRIN SST Instrucciones De Funcionamiento

en | 26 | CRI/CRIN SST | Maintenance
8.

Maintenance

8.1 Resetting the pressure sensor zero
point
i
Over time, the pressure sensors' zero point may
shift. If the offset becomes excessive, the message
Excessive pressure deviation
during the test. The magnetic stud can be used to
return to the original zero point. The magnetic stud
is supplied with the pressure sensors.
1. Make sure the pressure sensor is not under
pressure.
2. Touch the magnetic stud to the position marked by
the symbol on the pressure sensor for 1 to 10 s.
"
The zero point will be reset.
Fig. 12: Zero point synchronization
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8.2
!
Ensure cleanliness when working on sealing
components. Particles on the sealing surfaces may
damage the pressure sensor.
!
Do not re-use sealing cones. Always use a new
will be shown sealing cone when changing the adapter.
1. On the pressure sensor, remove the old adapter
along with the sealing cone.
2. Clean the sealing surfaces on the pressure sensor
and the new adapter.
3. Clean the sealing surfaces on the new sealing cone
(item 2).
4. Insert the clean sealing cone (item 2) into the
pressure sensor (item 3).
5. Screw the adapter (item 1) into the pressure
sensor (item 2), and tighten it.
Tightening torque: 20 ±2 Nm
Fig. 13:
Changing the adapter
3
2
3
Adapter installation
Robert Bosch GmbH