Siemens 3TM Gebruiksaanwijzing - Pagina 33

Blader online of download pdf Gebruiksaanwijzing voor {categorie_naam} Siemens 3TM. Siemens 3TM 48 pagina's. 1-pole vacuum contactor 4.15 kv - 6.9 kv

Fig. 34

Cleaning the contact surfaces of the poles

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2019-01-09

Preparing contact surfaces

Note

Clean silver-plated contact areas with a cloth; do not brush.

Different connection materials (AI/Cu) must not be cleaned with the same clean-

ing tools.

Silver-plated parts must not be bolted to aluminium bars!

Use a steel brush to carefully brush (cross-wise) the contact surfaces of the cable

lugs or busbars until they are metallic bright and wipe off any residue using a clean

cloth.

After cleaning, very lightly grease the bright contact areas with acid-free Vaseline

(e. g. Shell-Vaseline 8420) and screw together immediately.

Fig. 35

Cleaning the contact surfaces of the busbars

Installation