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Completing the assembly
of further busbar runs and
filling with SF
gas
6
Assembling panel
connections supplied
separately
864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06
➭ Refit the locking cap of the gas filling valve.
➭ The limit value indicators on the pressure indicator of the busbar run have been pre-
adjusted at the factory. Check the limit pressures according to the table and the graphics
(see page 44, "Insulating gas SF
case of deviations.
➭ Fill all other busbar runs as described above (see page 84, "Completing busbar assembly and
filling with SF
gas").
6
23.2
Installing the panel connections supplied in the accessories, and filling
the circuit-breaker housing with SF
For the installation of panel connections that are supplied separately, the circuit-breaker
housing is not filled with SF
To expose the desiccant bags as briefly as possible to the ambient air, the installation work
described hereafter is performed completely on one circuit-breaker housing in one panel.
ATTENTION
Desiccant bags that have been fitted in the circuit-breaker housings at the factory are not
effective anymore if the housings remain open for more than half an hour.
➭ Replace desiccant bags in circuit-breaker housings that have been open for more than
half an hour.
➭ Remove 8 pan-head bolts and 8 strain washers from the cover of the transformer housing ① .
Fig. 87:
Removing the cover of
the transformer housing
NOTE
Do not reuse the removed pan-head bolts, strain washers and the toroidal sealing ring.
➭ Dispose of the pan-head bolts, strain washers and the toroidal sealing ring in an
environmentally compatible way.
➭ Remove the cover of the transformer housing ① and the toroidal sealing ring ③ .
Fig. 88:
Removing the cover of the
transformer housing and the seal
"), and correct with the supplied square socket spanner in
6
gas
6
gas at the factory.
6
①
②
③
①
Cover of transformer housing
②
Transformer housing
Cover of transformer housing
Transformer housing
Toroidal sealing ring
Installation
87/214
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