10.4.1. Service of contacts
1. Wash away oxidation traces on contacts of the battery warm solution of soda or process special structure of Neutralon of Varta.
2. Process contacts of the battery and plug of wires protective structure of Bosch Ft 40v1.
You do not apply lubricant on contacts and plugs.
3. The top part of the battery always has to be dry, otherwise between cells there will be currents of leak and the battery will begin to be discharged.