3.
Coat the damaged area with the zinc coating. Use Würth Zinc 300 for a thicker coat.
On large areas, you can use Würth Zinc Spray Perfect to ease the work and to get an
even surface.
Maintenance of grounding bars and points
WARNING!
Obey the
and the local safety regulations. If ignored,
physical injury or death, or damage to the equipment may occur.
￭
Tools
•
Steel wool
•
Ensto SR1 joint compound or equivalent
•
42839 Würth protective wax or equivalent
￭
Procedure
1.
Examine the condition of the grounding bar and grounding cables in the MV switchgear
area. If there is any visible corrosion, remove the cables and remove the corrosion with
steel wool. Apply joint compound between the grounding bar and the joint surfaces of
the cable terminal.
2.
Change the spring lock washers. Tighten the cables to the nominal torque values.
3.
If corrosion is more, apply protective wax spray on the grounding bar and the cable
terminals.
Maintenance 59