7.4 Disassembly
DANGER!
Risk of electric shock!
There is a serious risk of injury when reaching into the equipment.
▶ Only trained electrical engineers may work on the electrical
system.
▶ Before starting work, always switch off the power supply and
safeguard to prevent re-activation!
▶ Observe applicable accident prevention and safety regulations
for electrical equipment!
WARNING!
Danger – high pressure!
When reaching into the system, there is an acute risk of injury.
▶ Only skilled and instructed personnel may work on the system
with suitable tools.
▶ Before disconnecting lines and valves, switch off the pressure
and bleed the lines.
▶ Observe applicable accident prevention and safety regulations
for pressurized devices.
▶ After an interruption in the power supply or fluid supply, ensure
that the process is restarted in a defined or controlled manner.
14
english
PTB 00 ATEX 2202 X
Assembly and disassembly
WARNING
Risk of injury from leaking connections.
Risk of explosion!
There is a danger of explosion in tank installations if oxygen or air
penetrates the medium through leaking connections.
Risk of injury from escaping medium!
Medium which escapes through leaking connections may result in
injuries (e.g. burns or chemical burns).
▶ Carefully seal the connection lines.
→
Disconnect electrical connections
→
Disconnect the valve housing from the pipeline
NOTE!
Malfunctions as a result of contamination!
• In case of new installation, remove old PTFE tape from the con-
nections. Residues or parts of the tape must not get into the
pipeline.