21
2016-08-25 / V1.0
Connectors UIC 558 – Installation and Maintenance Instructions
Maintenance
7. Maintenance
Note the expert knowledge which is essential for car-
rying out maintenance work, mentioned in chapter
„2. General and Security Information“
.
DANGER
The connectors contain components that carry voltage. Risk of electric shock!
Always observe the following safety regulations before beginning any work on electrical
constructions:
X
Disconnect
X
Ensure that it is not possible to reconnect unintentionally
X
Clearly mark your work area
X
Make sure that there is no voltage present
X
Earth and short circuit the installation
X
Insulate or cover adjacent energized parts
X
Only an electrically skilled person may determine if there is no voltage present
All of the maintenance activities that may be carried out
on the connectors by skilled personnel are listed below.
7.1 Intervals for Checks and
Maintenance
The condition of the connectors depends on environ-
mental influences as well as proper use. To ensure the
correct function and a prolonged operational life span
of the connectors, the following checks and mainte-
nance must be performed regularly.
Checks / Maintenance
Interval
Visual inspection of
-
plug
-
coupling receptacle
-
receptacle lid
-
cable
-
contacts
(in plug and recepta-
cle)
-
contact inserts
(in plug and re-
ceptacle)
-
strain relief fitting
-
dummy receptacle with socket
insert without contacts
X
At every plug-
ging
Complete maintenance, where
all parts of the connectors are
checked for damage and correct
function
X
Every 35 to 42
days
7.2 Visual and Functional Inspection at
each Plugging
At every plug-in, all elements of the connector must be
visually and functionally inspected.
NOTICE
The functional reliability of the connector is no long-
er given should there be any visible damage to the
cable, plug, receptacle housing, hinged lid, contacts,
contact inserts, seals or to any other components of
the connectors.
X
Immediately replace all damaged parts.
7.3 Visual and Functional Inspection/
Maintenance of Coupling
Receptacle and Dummy Receptacle
In addition to the visual inspection at every plugging,
a complete maintenance, where all parts of the con-
nectors are checked for damages and correct function,
must be performed every 35 to 42 days.