Burkert 8681 - Opening and Closing the Housing; Safety Instructions for Housing; Opening the Housing

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Opening and Closing the Housing
8 OPENING AND CLOSING THE HOUSING
8.1 Safety instructions
DANGER!
Danger of explosion in a potentially explosive atmosphere (only in the event of a fault as zone 2)!
` Opening the hood or the housing in a potentially explosive atmosphere is only allowed in a not ener-
gised state!
WARNING!
Risk of injury due to electric shock!
` Beforeopeningthehoodandpriortoreachingintothesystem(asidefromaTeachprocedureinanon-
explosiveatmosphere),switchothepowersupplyandsecuretopreventrestarting!
` Observeapplicableaccidentpreventionandsafetyregulationsforelectricalequipment!
Risk of injury from high pressure in the system!
` Beforelooseninglinesandvalves,turnothepressureandventthelines.
Risk of injury from improper installation!
` Installation may be carried out by trained technicians only and with the appropriate tools!
Risk of injury from unintentional activation of the system and uncontrolled restart!
` Secure system against unintentional activation.
` Following installation, ensure a controlled restart.
8.2 Opening and closing the housing
8.2.1 Opening the housing
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 is not soiled when the hood is placed down as this might reduce the
IP protection!
Procedure:
→ Remove lead seal if housing is secured – see “Fig.11”onpage36.
→ Opentheplastichoodbyturningcounterclockwise(alltheway,approx.1.5cm).Duetothetightnessof
the sealing, loosen the plastic hood by carefully tilting it laterally and lift it upwards to remove it.
english
Control Head Type 8681