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– Store the generator in a dry, frost-free room which is well ventilated.
– Run the engine regularly, e.g. once a week, until it is warmed up. If
this is impossible, extra precautions must be taken:
– Consult the engine’s operator manual.
– Remove the battery. Store it in a dry, frost-free room. Keep the
battery clean and its terminals lightly covered with petroleum
jelly. Recharge the battery regularly.
– Clean the generator and protect all electrical components against
moisture.
– Place silica gel bags, VCI paper (Volatile Corrosion Inhibitor) or
another drying agent inside the generator and close the doors.
– Stick sheets of VCI paper with adhesive tape on the bodywork to
close off all openings.
– Wrap the generator, except the bottom, with a plastic bag.
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Before operating the generator again, remove the wrapping, VCI
paper and silicagel bags and check the generator thoroughly (go
through the checklist “Before starting”).
– Consult the engine’s operator manual.
– Check that the insulation resistance of the generator exceeds 5 MΩ.
– Replace the fuel filter and fill the fuel tank. Vent the fuel system.
– Reinstall and connect the battery, if necessary after being recharged.
– Submit the generator to a test run.
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– Put a voltmeter in parallel with voltmeter P4 on the control panel.
– Check that the read-out of both voltmeters is the same.
– Stop the generator and disconnect one terminal.
– Check that the internal resistance of the voltmeter is high.
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– Run the unit at normal speed.
– Put a voltmeter in parallel with frequencymeter P5.
– If the measured voltage is higher than 200 V, the frequencymeter
has to work properly.
If not, remove the frequencymeter, connect it with the mains
(230 V) and check that it indicates 50 Hz.
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– Measure by means of a clamp-on probe the outgoing current, during
the load.
– Compare the measured currents with the currents on the corre-
sponding ammeters. Both readings should be the same.
Never perform a test run with connected power
cables. Never touch an electrical connector without
a voltage check.
When a failure occurs, always report what you expe-
rienced before, during and after the failure. Infor-
mation with regard to the load (type, size, power
factor, etc.), vibrations, exhaust gas colour, insula-
tion check, odors, output voltage, leaks and dam-
aged parts, ambient temperature, daily and normal
maintenance and altitude might be helpful to
quickly locate the problem. Also report any infor-
mation regarding the humidity and location of the
generator (eg. close to sea).
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