Werbung
Verfügbare Sprachen
Verfügbare Sprachen
Replacing sensor A+B
Overview of the personnel authorized to carry out repairs
Authorization to carry out a repair depends on the approval of the measuring device. The table shows the respective group of persons for each.
!
Note!
The person who carries out the repair is responsible for safety during the work, the quality of work completed and safety of the device after repair.
Approval of the measuring device
without approval
with approval (for Ex. IECEx, ATEX, FM, CSA, TIIS, NEPSI)
1 Trained customer technician
1*Trained customer technician, trained by Endress+Hauser (for repairs carried out on devices with type approval)
2 Service technician authorized by Endress+Hauser
3 Endress+Hauser (send measuring device back to manufacturer)
Safety instructions
• Check whether the spare part matches the identification label on the
measuring device, as explained on the first page.
• The spare parts set and Installation Instructions are used to replace
a faulty unit with a functioning unit of the same type.
Use genuine parts from Endress+Hauser only.
• Modifications to the measuring device are not permitted.
• The measuring device is energized.
Danger: Risk of electric shock! Open the measuring device in
a de-energized state only.
• Hot surfaces! Risk of injury! Before commencing work, allow the
system and measuring device to cool down to a touchable
temperature.
• Comply with national regulations governing mounting, electrical
installation, commissioning, maintenance and repair procedures.
• Requirements with regard to specialized technical staff for the
mounting, electrical installation, commissioning, maintenance and
repair of the measuring devices:
– trained in instrument safety
– familiar with the individual operation conditions of the devices
– for Ex-certified measuring devices: also trained in explosion
protection
• Follow the Operating Instructions for the device.
Tool List
6 mm
T10
2
4 mm
0,5 × 3.5
Group of persons authorized to carry out repairs
• Risk of damaging electronic components!
Ensure you have a working environment protected from electrostatic
discharge.
• In the case of measuring devices in safety-related applications in
accordance with IEC 61508 or IEC 61511: After repair recommission
in accordance with Operating Instructions. Document the repair
procedure.
• Only open housing for a brief period. Avoid the penetration of foreign
bodies, moisture or contaminants.
• Replace defective seals/gaskets with genuine parts from
Endress+Hauser only.
• Threads (e.g. of the cover for the electronics and connection
compartments) must be lubricated. Use an acid-free, non-hardening
grease if an abrasion resistant dry lubricant is non-existent.
• If threads are damaged or defective, the measuring device must be
repaired.
• If spacing is reduced or the dielectric strength of the measuring device
cannot be guaranteed during repair work, perform a test on
completion of the work (e.g. high-voltage test in accordance with the
manufacturer's instructions).
• Observe the instructions for transporting and returning the device
outlined in the Operating Instructions.
• If you have any questions, contact your E+H service organization.
1*, 2, 3
2, 3
Endress + Hauser
Werbung
