Checking the electrolyte specific gravity
1 Hydromettlr
82
5.11.4 Battery care
- Clean batteries only with the plugs screwed in.
- No gaso line, benzol, kerosene or similar should be used for cleaning.
- Check battery terminal bolts and the bolts securing the ground cables to the
chassis for firm seating at regular intervals.
- Lightly coat terminals with acidproof grease, particularly clamp underside. Vent
holes in the plugs and/or cell ventilation hoses must no be plugged.
- No metal objects should be placed on the batteries (danger of short circu it).
- Battery visual inspections must never be performed with naked lights because
the formation of oxy-hydrogen gas might create the danger of an explosion .
Only use electric lights.
- The electrolyte level in each cell should be approx . 15 mm above the plate
upper edge.
- Replenish only with distilled water. Water evaporates while the battery is
charged during vehic le operation. No metal funnels must be used for
replenishment.
- The elecro lyte specific gravity gives a rough indication of the battery state of
charge .
- Replace drained electrolyte by chemically pure battery acid of the like specific
gravity.
- To charge , remove terminal clamps . The charging current should not exceed
1t,o of the battery capacity. The battery can be considered charged as soon as
all cells produce gas uniformly and vigorously.
- Only after the positive and negative cables have been removed from the
terminal posts may the batteries be charged by means of a rapid charger.
Caution! Be sure to check the electrolyte level at least once every week in
summer and in hot zones.
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