28 © Scania Industrial & Marine Engines 1997-11:2
ELECTRICAL SYSTEM
15. Every 200 hours:
CHECKING ELECTROLYTE LEVEL
IN BATTERIES
1. Undo the plugs and check the electrolyte level in all cells.
2. Top up using distilled water until the level is 10-15 mm above the plates.
16. Every 200 hours:
CHECKING CHARGE
STATE IN THE BATTERIES
Note! Every 200 hours applies to gensets and the like.
Other installations every 1,200 hours.
- Check specific gravity using a battery electrolyte tester.
In a fully charged battery it should be:
1,280 at +20°C
1,294 at 0°
1,308 at -20°C
- If the specific gravity is below 1.20, the battery must be charged.
A discharged battery freezes at -5 °C.
Avoid boost charging. This will damage the battery in the long term.
17. Every 200 hours:
CLEANING BATTERIES
Note! Every 200 hours applies to gensets and the like.Other installa-
tions every 1,200 hours.
1. Clean batteries, cables and cable terminals.
2. Check that all cable terminals are well tightened.
3. Grease posts and cable terminals using petroleum jelly.
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