16
Lid Earth Screw Assembly
Attach the cable lug to the earth screw followed by the spring washer and tighten the
complete assembly with a nut (up to max. force 6.0 N).
Inspection, Maintenance and Repairs
be conformed to IEC/EN 60079-14, IEC/EN60079-17 and IEC/EN 60079-19
WARNING!
Disconnect power supply before installing or servicing these enclosures.
Ensure that only authorized and trained personnel perform repairs and maintenance
work. For an Ex-certified enclosure the training has included the instruction of the
various types of protection and installation practices, the relevant rules and regulations.
Inspection / Maintenance
After opening an enclosure, a visual inspection of the lid and gland plate gasket must
be performed to ensure no foreign objects may interfere with the enclosure sealing
function. A visual inspection of the apparatus shall be carried out appropriate to the
installation environment.
Inspection should include verification that all lid & gland plate (where fitted) screws are
secured to the correct torque. Checks should also include that there is no ingress (dust
or liquid) inside the enclosure and that all cable glands and main earth connections are
in good order.
