Winco ULPSS12H4W/E - Manual (Page 16)

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PREVENTIVE
MAINTENANCE
Reasonable care in preventive maintenance will
insure high reliability and a long life for the generator
set and Automatic Transfer Switch.
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***** WARNING *****
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When performing any type of maintenance on this
equipment make sure the selector switch on the
generator set is in the off position. If you are work-
ing in the Automatic Transfer Switch, confirm with a
reliable meter that all power has been disconnected.
AUTOMATIC TRANSFER SWITCH
Clean and inspect the switch once a year. de-ener-
gize all power sources, both line and generator set,
then brush and vacuum away any excessive dust
or dirty accumulation. You can at this time with the
contactor de-energized remove the contactor covers
and check the contacts. Make sure contacts are
clean and not burned or pitted.
ENGINE GENERATOR SET
Service the engine in accordance with the engine
manufacturers manual provided with your new
equipment. Routinely remove debris and dirt from
around the inside generator enclosure. Insure that
the air intakes are free from leaves and other debris
at all times.
Clean and inspect battery terminals a least twice a
year. Check the battery water level at least twice a
year also.
Other than keeping the generator set clean and
free of debris there is no other routine or preventa-
tive maintenance required, as long as the generator
is run biweekly to keep it dry and in good working
order.
COLD WEATHER OPERATION
Extreme cold weather operation requires special
considerations. Higher CCA batteries are required
for cold weather starting, 650 CCA or larger are rec-
ommended. In addition you should consider install-
ing an oil heater kit and a battery warmer for reliable
starting during cold weather.