2.
Coil up the cords when not in use.
3.
Clean the case and cords with a slightly damp cloth.
4.
Clean any corrosion from the clamps with a solution of water and baking soda.
5.
Examine the cords periodically for cracking or other damage and have them replaced if necessary.
WARNING:
6.
All other service should be done by qualified personnel only.
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