Burkert Type 8681 - Manual (Page 81)

81
Replacement of Components and Modules
replaCeMenT Of COMpOnenTs and 19.
MOdules
If components or modules need to be replaced for maintenance or service reasons, please observe the following
notes and descriptions.
Devices that are used in the explosion-risk area may be repaired by the manufacturer only.
safety instructions 19.1.
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 in a non-explosive atmosphere) switch off •
the power supply and secure it to prevent restarting!
Observe applicable accident prevention and safety regulations for electrical equipment! •
risk of injury due to improper maintenance work!
Maintenance work may be carried out by authorized technicians only and with the appropriate tools! •
risk of injury from unintentional activation of the system and an uncontrolled restart!
Secure system from unintentional activation. •
Following maintenance, ensure a controlled restart. •
note!
ip65 / ip67 protection
During all work steps, make sure that IP65 / IP67 protection is once again ensured for the control head when •
used as intended!
Opening and closing the control head
During all work that requires opening and closing of the control head, be sure also to observe the notes and •
comments contained in chapter " 8. Opening and Closing the Housing"!
english
Control Head Type 8681