Weidmuller Klippon TB QL Montagerichtlinien Seite 10

Inspection, Maintenance and Repairs
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 in a method appropriate to the installation environment.
Inspection should include verification that all lid and gland plate screws
(where fitted) are secured with the proper torque. Checks should also in-
clude that there is no ingress (dust or liquid) inside the enclosure and that
all cable glands and main earth connections are in good condition.
Cleaning
The enclosure should be cleaned with a damp cloth. Do not clean the enclo-
sure with hydrocarbonbased cleaning compounds!
Repair
Only parts authorized by the manufacturer (such as mounting plates, earth
studs and gland plates) may be used for replacements and modifications.
10