Operator Manual

MAINTENANCE
92
T17 9020160 (NIL)
LITHIUM−ION BATTERY PACK
The lithium−ion battery pack is a
maintenance−free battery protected by a battery
management system (BMS). To achieve the
maximum battery life, carefully follow the
instructions below:
− Carefully follow the Important Safety
Instructions section in the manual when using
the Lithium−ion Battery Model.
− Only use the lithium−ion battery charger
supplied with machine.
− Charge battery pack in well−ventilated areas.
For best charging performance, charge the
battery pack in temperatures below 80ºF/27ºC
and above 32ºF/0ºC. Battery pack may shut
down and not take a charge in elevated or
freezing temperatures
− It is recommended to only recharge battery
pack when the discharge level is fully
depleted (i.e. when discharge indicator
reaches red light). If the red light begins to fl
ash, the scrub function will automatically be
disabled. This allows the user to use the
remaining power to propel the machine back
to charging station. Do not store the machine
for a long period at this depleted level, the
battery pack may further discharge to a level
that is unrecoverable.
− When the machine shuts down due to a
depleted battery pack, do not repeatedly cycle
the key on and off. This may cause
permanent battery pack damage. Recharge
battery pack immediately to avoid damage.
− Allow charge cycle to completely charge
battery pack.
− Avoid frequent complete charge cycles if
battery pack was not fully depleted.
− Opportunity charging (i.e. partial charge cycle
of a half hour or more) is only recommended
if discharge level is below 80% (i.e. when
discharge indicator is at or beyond second
green light).
− Do not operate machine in temperatures
above 110ºF / 43ºC or below −4ºF / −20ºC.
Machine may shutdown if exceed these
temperatures.
− When removing or replacing the lithiumion
battery pack, use non−conductive lifting
straps positioned at all four lift points with
straps angled at 45º or greater when hoisting
battery pack.
− Contact Tennant Service for lithium−ion
battery service and replacement.