ABB POLIM-R Betriebsanleitung - Seite 14

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Operating instructions for POLIM

6.2.

Cleaning in case of heavy pollution

Thanks to the hydrophobicity of the silicone housing, normal pollution does not af-

fect the insulation capacity of the housing. If pollution exceeding this is present

(heavy deposit layer) the surge arrester should be cleaned.

Solvents and abrasive equipment

Damage to the silicone housing.

 Do not use cleaning agents containing solvents besides isopropanol

CAUTION

 Do not use abrasive equipment for cleaning.

 Do not use silicone grease or silicone oil after the cleaning.



R surge arrester

Clean surge arresters either with

warm water and soft, lint-free cloths

–

water spray with a maximum pressure of 10 bar

–

soft, lint-free cloths moistened with isopropanol (isopropyl alcohol).

–

Apply on the whole silicone surface

ABB

Doc. 1HC0075743 AA