500-8067.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DJH • Revision 05 109/121
Operation
21 Replacing HV HRC fuse-links
For data to usable HV HRC fuse-links, see page 15, "HV HRC fuse assembly" and see page 37,
"Selection of HV HRC fuse-links".
Removing the cable
compartment cover
The cable compartment cover can only be removed if the earthing switch is in EARTHED
position.
When the cable compartment cover is removed, the earthing switch is interlocked in EARTHED
position.
➭ Isolate and earth the transformer feeder.
➭ Remove the cable compartment cover, see page 76, "Removing and mounting the cable
compartment cover".
Detaching the gasket of
the fuse slide
➭ Push the handle of the fuse slide slightly upwards towards the stop in order to detach the
gasket in this way and be able to pull fuse slide out more easily.
DANGER
High voltage! Danger!
➭ Isolate.
➭ Secure against reclosing.
➭ Verify safe isolation from supply.
➭ Earth and short-circuit.
➭ Cover or barrier adjacent live parts.
ATTENTION
When a HV HRC fuse-link has tripped, the HV HRC fuse-links in the two other phases may also
have been stressed.
➭ When a HV HRC fuse-link has tripped, replace the HV HRC fuse-links in all three phases.
ATTENTION
HV HRC fuse-links may be hot!
➭ Let HV HRC fuse-links cool down or wear gloves to withdraw the fuse slide.
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