Pepperl+Fuchs Ecom Tab-Ex 03 DZ1 Safety Manual page 5

6. SIM/SD-Card replacement Instruction
The following Ex-safety items are to be considered together with the installation guide
included in the corresponding operating instructions in case of a SIM/SD-Card re-
placement.
• The opening of the card covers is only allowed in ordinary (non-hazardous) locations
• The work steps must be done carefully because safety relevant parts are removed.
• The process shall be done in a clean environment to avoid soiling of the critical parts
and joints.
• Carefully follow the operating instructions to disassemble the IP-Card cover and d-Card
cover.
Before re-assembling the covers the following items shall be considered:
- Carry out a visual inspection on the card covers and openings for dust and dirt and
clean them if required.
- Check the covers and openings for any signs of damage like scratches, dents etc.
- Check the d-Sim-with-cover flame-path surface for any dirt or damage.
• If damage is observed do not use the device in the hazardous locations anymore.
• If required clean the flame path surface with a clean and dry cloth.
Πthe surface to be checked is hatched here in the figure.
Also the corresponding opposite side of the enclosure shall be inspected.
- When re-assembling the covers ensure that the parts are inserted in parallel and fit
together with ease.
- Use a torque screwdriver to tighten the screws with a torque of 0.26 Nm.
- Use only original parts and screws.
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