hager univers FW, Manual

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Inspection and maintenance
Cleaning
Technical changes reserved 121
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.
➢
Clean the outside of the door and frame with a dry, lint-free cloth
➢
Do not use scouring agents.
➢
Do not use liquids, do not carry out wet cleaning.
Interior cleaning by electrically skilled persons only
➢
Cleaning inside the switchgear and controlgear assembly may only be
carried out by electrically skilled persons after the system has been dis-
connected from the power supply
➢
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 indi-
rect hazards to personnel.
➢
Do not use compressed air for cleaning.
➢
No wet cleaning.
➢
Remove all dirt.
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Hager supplies a cleaning agent for plastic surfaces; the order number is
VZ404 .