OHAUS EB SERIES, Service Manual

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CHAPTER 3 REPAIR PROCEDURES
Ohaus Corporation www.ohaus.com 3-14 EB Series Scales Service Manual
3.6 REPLACING THE BATTERY
WARNING! DEATH OR SERIOUS INJURY CAN OCCUR
– Charge the battery only with the charger in the scale. Charging the battery under
any other conditions may cause the battery to overheat, emit hydrogen gas,
Leak, ignite or burst.
– Operate the battery at normal temperature range as specified for the scale.
– Do NOT short the battery terminals under any conditions.
– Do NOT dispose of the battery in incinerators, or crush or try to open. Dispose of
the defective battery in accordance with local regulations for lead-acid type
batteries.
CAUTION
– Check the battery for any sign of irregularities in appearance. If there is any
damage to the case such as cracks, deformation or leakage, replace the battery
with a new one.
– Do NOT charge the battery with the charger terminals reversed.
1. Remove the Top housing. (See Section 3.1.)
2. Disconnect the two wires from the battery.
See Figure 3-18 which is a close-up view.
3. Remove the Battery from the Bottom Housing.
4. Install a replacement Battery into the same
position as the original Battery. The positive
terminal (Red) should be facing up.
5. Connect the wires to the Battery. Make sure
the Red wire is attached to the positive
terminal on the Battery and the Black wire is
attached to the negative terminal.
Figure 3.18. Battery Connections.
Note : The Battery is held in place by the Top Housing that has a cutout and foam
backing. When the Top Housing is installed, the Battery is held in place.
CAUTION: Dispose of the Battery according to local regulations for hazardous
materials. Do not incinerate, crush or throw out in regular garbage containers.
Battery contains an acid solution.
6. Reassemble the scale and connect the ac adapter to the scale and plug into a
power source. Allow the battery to charge for at least 12 hours with the scale off.
A new battery requires a long charge period to obtain maximum service when
operating the scale for the first time.