Inspection and maintenance
Technical changes reserved
109
8.3
Cleaning
For operational safety reasons, soiling must be removed. Dirt deposits can cause
overheating. During cleaning, observe at least the following safety points:
External cleaning (outside of door and frame)
External cleaning (when door is not open) by ordinary persons is permitted on
distribution boards that may be operated by ordinary persons (DBO) according to
EN 61439-3.
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Clean the outside of the door and frame with a dry, lint-free cloth
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Do not use scouring agents.
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Do not use liquids, do not carry out wet cleaning.
The inside may only be cleaned by electrically skilled persons
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Cleaning inside the switchgear and controlgear assembly may only be carried
out by electrically skilled persons after the system has been disconnected
from the power supply
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Cleaning must only be performed by vacuuming (vacuum cleaner) and with
dry cloths (dry cleaning with a vacuum cleaner). During cleaning work, an
electrostatic charge in the jet nozzle may result in direct or indirect hazards to
personnel.
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Do not use compressed air for cleaning.
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No wet cleaning.
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Remove all dirt.
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Hager offers a cleaning agent for plastic surfaces under order number VZ404.