Burkert Type 0742 - Manual (Page 15)

15
Maintenance, Troubleshooting
9. mAinTEnAncE,
TrOuBlEshOOTing
9.1. safety instructions
Warning!
danger of explosion caused by electrostatic charge!
If there is a sudden discharge from electrostatically charged
devices or persons, there is a danger of explosion in the EX area.
• Using suitable measures, ensure that no electrostatic charges
can occur in the EX area.
• Clean the device surface by gently wiping it with a damp or anti-
static cloth only.
risk of injury from improper servicing, repairs and
maintenance!
• The device may be serviced and maintained by authorized techni-
cians only and with the appropriate tools!
• The unit may be repaired by the manufacturer only!
• When repairing or servicing the system, the valve must not be
opened and the protective conductor connection must not be
disconnected!
9.2. maintenance Work
The devices are maintenance-free when operated under the condi-
tions described in this manual.
9.3. Troubleshooting
If malfunctions occur, ensure that:
• the device has been installed correctly,
• the connection has been made properly,
• the device is not damaged,
• all screws have been tightened,
• the voltage and pressure have been switched on,
• the pipelines are free.
english
PTB 02 ATEX 2173 X