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2.1.3
General information
on treatment of plug-
in connectors with
silicone insulating parts
This section generally explains the procedure for treatment of sili-
cone insulating parts in the busbar sockets, blanking plugs for the
busbars, the silicone insulating parts on plug-in voltage transform-
ers and blanking plugs for voltage transformer sockets. Only treat
the silicone parts immediately before use. Section 2.3 indicates
when the treated silicone parts are needed.
Please consult the documents from the cable connector manufac-
turer for details of the treatment procedure for silicone insulating
parts on the cable connectors.
− Perform the following work to prepare silicone insulating
parts for assembly:
− Inspect the silicone insulating parts
− Clean soiled silicone insulating parts
− Grease the insulating parts
− Clean the sockets, the contact tubes and the outer cone
Inspecting the silicone insulating parts
?
Only remove the relevant component from its protec-
tive packaging immediately before assembly.
?
Check the silicone insulating part for damage prior to
installation.
?
If you note any damage on the silicone insulating part,
only use the component after this has been agreed
with our service department.
The silicone surface must be free of
− gas bubbles,
− scoring,
− damage,
− abrasions,
− foreign bodies.
Cleaning of soiled silicone insulating parts
− Perform cleaning work immediately before assembly of the
relevant component as follows:
14 | Manual ZX0 HB 600 en - Revision 05
− Remove surplus or dirty grease from the silicone part with
a soft, clean, non-fraying cloth.
− Clean the silicone insulating part when required with inten-
sive cleaner M.X.T. 60 forte and a soft, non-fraying cloth.
?
Only use intensive cleaner M.X.T. 60 forte as the
cleaning agent.
− Only moisten the cloth slightly with intensive cleaner. Apply
only moderate pressure when cleaning the insulating parts
of busbar connections. Do not wipe from the black areas
towards the light insulating surfaces. By adopting this pro-
cedure you avoid transferring black, conductive material
onto the light, insulating area.
− After cleaning with intensive cleaner M.X.T. 60 forte, wipe
the silicone insulating part with a dry cloth.
?
As the cleaner causes the silicone to swell slightly, it
then has to dry for approx. 15 minutes in the air.
Greasing the insulating parts
Grease the components immediately before use as follows:
Use the quantities of assembly paste listed in table 2.1.3.1.
− Silicone insulating parts on the busbar connection:
Evenly grease the light, outer areas of the silicone part as
shown in figure 2.1.3.1.
− Blanking plugs for the busbar connection:
Evenly grease the light, outer areas of the silicone part as
shown in figure 2.1.3.2.
− Silicone insulating parts of plug-in voltage transformers or
test plugs:
Evenly grease the silicone part as shown in figure 2.1.3.3.
− Silicone insulating parts of the blanking plugs for voltage
transformers sockets:
Evenly grease the silicone part as shown in figure 2.1.3.4.
Table 2.1.3.1: Quantities of assembly paste for silicone insulating parts
Component
Silicone insulating part on the
busbar connection, both
Blanking plugs for the busbar
bushing, silicone insulating parts
of voltage transformers or blanking
plugs for voltage transformer
sockets
Quantity of assembly paste to be
used
Approx. 20 g each
insulating part
Approx. 10 g
each part
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