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5.5.2 Cleaning the fuel tank
– Place an appropriate drain pan under the drain
plug of the fuel tank.
– Remove the flange (2) and the drain plug (1).
– Slope the unit. approx. 15° to remove all fuel, dirt
and water.
– Clean the fuel tank and fix the drain plug and
flange handtight.
– Refill the fuel tank with clean fuel.
5.5.3 Battery care
If the battery is still dry, it must be activated as
described in section “Activating a dry-charged
battery”.
The battery must be in operation within 2 months
from being activated; if not, it needs to be recharged
first.
5.5.3.1 Electrolyte
Electrolyte in batteries is a sulphuric acid solution in
distilled water.
The solution must be made up before being
introduced into the battery.
5.5.3.2 Activating a dry-charged battery
– Take out the battery.
– Battery and electrolyte must be at equal
temperature above 10°C.
– Remove cover and/or plug from each cell.
– Fill each cell with electrolyte until the level
reaches 10 to 15 mm above the plates, or to the
level marked on the battery.
– Rock the battery a few times so that possible air
bubbles can escape; wait 10 minutes and check the
level in each cell once more; if required, add
electrolyte.
– Refit plugs and/or cover.
– Place the battery in the generator.
5.5.3.3 Recharging a battery
Before and after charging a battery, always check the
electrolyte level in each cell; if required, top up with
distilled water only. When charging batteries, each
cell must be open, i.e. plugs and/or cover removed.
Apply with preference the slow charging method and
adjust the charge current according to the following
rule of thumb: battery capacity in Ah divided by 20
gives safe charging current in Amp.
5.5.3.4 Make-up distilled water
The amount of water evaporating from batteries is
largely dependant on the operating conditions, i.e.
temperatures, number of starts, running time between
start and stop, etc...
If a battery starts to need excessive make-up water,
this points to overcharging. Most common causes are
high temperatures or a too high voltage regulator
setting.
Observe all relevant environmental
and safety precautions.
Never leave spilled liquids such as
fuel, oil, water and cleansing agents
in or around the generator.
Before handling batteries, read the
relevant safety precautions and act
accordingly.
Read the safety instructions
carefully.
Use a commercial automatic battery
charger according to its
manufacturer’s instructions.
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