ABB POLIM Manuale di istruzioni per l'uso - Pagina 11
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5.4.4
Transportation during mounting
Depending on weight and installation location of the surge arrester, a crane may be
necessary for mounting. The crane ropes can be fastened in the following ways, depending
on the surge arrester model:
Fastening to accessories
Fastening to accessories
Hook the rope as shown in Figure 1.
X
Fastening via ring bolt
Remove top accessories from surge arrester.
X
Screw the ring bolt into threaded hole M16x25.
X
Hook the rope as shown in Figure 2.
X
Fastening to grading ring
Hook the three ropes in the three supports of the grading ring and the hook of the crane
X
as shown in Figure 3.
5.4.5
Installation position
CAUTION!
Deposits on the undersides of sheds
Conductivity of deposits hinders protective function of the POLIM® and MWK/MWD type
surge arresters.
Always mount surge arresters in a way that the sheds point downward.
X
The top and bottom connections could be either ground or high-voltage terminals as long
as the sheds point downwards. In case of doubt please consult ABB.
1HC0141361 AA | EN | Operating instructions
Figure 1
Fastening via ring bolt
(if fastening to accessories
is not possible)
Figure 2
Fastening to grading ring
(if present)
Figure 3
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