Battery
The gas generated by the battery is very explosive. Avoid open fire and sparks in the vicinity
of the battery.
When servicing an electrical instrument, disconnect the negative cable of the battery.
Checking of the charge state of the battery
During harvesting the engine recharging equipment keeps the battery charged. At other times,
check the state of the battery at regular intervals and recharge if necessary. An acid gauge may
be used for checking. In the table below you can see the charge state of the battery compa-
red with the acid specific weight.
Specific weight Charge state
reading
1 280 Fully charged
1 240 75 % ”
1 200 50 % ”
1 160 25 % ”
1 120 No charge
Do not leave a flat battery unused for a long time. A low-charged battery freezes easily and
exposure to frost will cause extensive damage. If a recharging device is available, recharging
can also be done at home.
Before starting to recharge:
Disconnect the battery cables.
Unplug the cells.
Make sure the fluid level is high enough.
Use 5-10 % of the Ah of the battery for charging current. For example: A 100 Ah battery may
be recharged using 5-10 ampere current. Recommended recharging interval is 6-10 weeks.
Cleaning of battery and other maintenance
Clean the battery cover regularly.
Remove any oxidisation off the battery poles and cable lugs.
Make sure the cable lugs are properly tightened.
Coat the outer faces of the poles and lugs with Vaseline. Check that the battery is properly faste-
ned and the poles protected. Make sure the rubber rug on the battery is properly adjusted.
Check the fluid level a few times a year and before storage. Add distilled water, if necessary,
up to the upper fluid level.
NOTE! Wrong connection of either the battery or the generator will damage the generator.
Before electrical welding, disconnect the battery and generator cables.
Check the condition of the cable insulation and the protective cables on a regular bases and
perform any necessary repairs.
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General