Burkert Type 8681 - Manual (Page 26)

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Opening and Closing the Housing
8. Opening and ClOsing THe HOusing
safety instructions 8.1.
Danger!
risk of injury from high pressure in the equipment!
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 injury due to electrical shock!
Before opening the hood and prior to reaching into the system (aside from a Teach-In procedure in a non- •
explosive atmosphere), switch off the power supply and secure to prevent restarting!
Observe applicable accident prevention and safety regulations for electrical equipment! •
risk of injury from improper installation!
Installation 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 installation, ensure a controlled restart. •
Opening and Closing the Housing 8.2.
Opening the Housing 8.2.1.
note!
improper handling will damage the plastic hood / seal!
Do not use excessive force (e.g. by knocks) for opening. •
Make sure that the lubricated seal contour is not soiled when the hood is placed down as this might reduce •
the IP protection!
Loosen plastic self-cutting screws or seal, if housing has been secured.
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Open the plastic hood by turning counterclockwise (all the way, approx. 1.5 cm). Due to the tightness of the
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sealing, loosen the plastic hood by carefully tilting it laterally and lift it upwards to remove it.
english
Control Head Type 8681