BATTERY CHARGER USER’S MANUAL PART- 2: THEORY OF OPERATION
MCEnPC23-REV.2.4 Page 85
11. REGULAR PREVENTIVE MAINTENANCE
Regular maintenance is required to ensure reliable operation of your system.
Action Frequency
B Measure and record voltage across each battery
cell and across the entire battery
monthly
B Verify and record the level of electrolyte in
each battery cell. If necessary top off with
distilled water.
monthly
B Verify and record the specific gravity of each
battery cell
monthly
C Verify the operation of all indicators monthly
B, C VERY CAREFULLY (especially if you are
dealing with the conductive substances)
remove the accumulated dust around the
ventilation openings, charger interior, surfaces
of circuit boards & electrical
connectors/terminals.
As needed, depending on the environmental
conditions of the site, but minimum once a
year
B, C Visually verify the condition of all components yearly
B, C Verify all bolted connections. If necessary, use
a torque wrench to retighten to manufacturers
specifications
yearly
B Clean and grease all battery connections As needed, depending on the environmental
conditions of the site, but minimum once a
year
B Wash the battery cells using distilled water
only
As needed, depending on the environmental
conditions of the site, but minimum once a
year
B = battery C = charger
For systems supplied with lead acid batteries, a partial discharge of the battery is recommended on an annual basis,
to verify the battery and charger performances. For systems supplied with nickel-cadmium batteries a complete
discharge and decommissioning charge is recommended on a bi-annual basis.
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