Burkert Type 8681 - Manual (Page 88)

88
Shutdown
sHuTdOWn 21.
safety instructions 21.1.
Danger!
risk of injury from high pressure!
Before loosening pneumatic lines and valves, turn off the pressure and vent the lines. •
danger of explosion in explosive atmosphere (only in the event of a fault as zone 2)!
Opening the hood or the housing in an explosive atmosphere is only allowed in the isolated state! •
Warning!
risk of electric shock!
Before reaching into the system (except for the Teach-In procedure) switch off the power supply and secure it •
to prevent reactivation!
Observe applicable accident prevention and safety regulations for electrical equipment! •
risk of injury due to improper disassembly!
Disassembly work may be carried out by authorized technicians only and with the appropriate tools! •
dismantling the Control Head Type 8681 21.2.
Prior to starting with the work, check the system status!
procedure:
Cable gland versions:
Open the housing observing the notes contained in chapter "
→
8. Opening and Closing the Housing".
Uninstall the electrical connections at the terminal strip.
→
Close the housing observing the notes contained in chapter "
→
8. Opening and Closing the Housing".
Loosen the pneumatic connections (For a detailed description, see chapter "
→
9. Pneumatic Installation").
Loosen the locking screws (shoulder screws M5).
→
Pull control head upwards and off the adaptation.
→
Multi-pole connection versions:
Remove the multi-pole plugs.
→
Loosen the pneumatic connections (For a detailed description, see chapter "
→
9. Pneumatic Installation").
Loosen the locking screws (shoulder screws M5).
→
Pull control head upwards and off the adaptation.
→
english
Control Head Type 8681