Maintenance Section
86
Battery Discharge Indicator
The battery discharge indicator should be observed
frequently before and during operation.
A fully charged battery will cause a “9 segments” to
be displayed on the LCD display. As the battery is
discharged, the LCD display will count down, 9, 8, 7,
and etc., until “EL” is displayed. When the battery
reaches 80% discharge level, the Micro-Controller
will cause the LCD display to continuously index
through the entire range (1 through 9 segments) to
signal that the battery is discharged and lift interrupt
is imminent.
If the warning is ignored, lift interrupt will
prevent the hydraulic pump motor from
operating and an “EL” will be displayed
on the LCD display.
To prevent over-discharge, the lift interrupt should
not be reset by disconnecting and reconnecting the
battery.
If the batteries are weak, have them charged or
replaced.
The batteries should not be discharged below 80%
of the full charge as indicated by their specific
gravity. This specification varies with different
battery manufacturers. See the manufacturer’s
specifications for specific gravity at 80% discharge.
If information is not available from the battery
supplier, use 1.140 specific gravity level.
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