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Care & Maintenance
14
Care & Maintenance
14.1 Battery Care
®
LMX150™ FINDAR
uses a 9-Amp-hour, 12-Volt sealed lead acid battery. It is fused with a 10
Amp fuse to protect it from short circuit damage.
The battery unit should run the system continuously for 6 hours before recharging is necessary.
If long days of data surveying are typical, a second battery unit may be useful.
The battery is strapped onto the cart base and is normally recharged without removing it from the
cart. However, the battery can be easily removed for maintenance or for recharging, if required.
If batteries are maintained in a charged condition, they will give long life and reliable service.
Improper use and lack of maintenance will greatly reduce their life.
Sealed lead acid batteries should NEVER be left in a discharged condition for any period of time.
Charge the batteries as soon as possible after use.
Charge the battery at room temperature whenever possible.
®
LMX150™ FINDAR
has a voltage monitoring circuit that will turn off the unit when the input
voltage drops below 10.8 volts.
If a battery has been deeply discharged or left in a discharged condition for some period of time
it may not accept charge immediately when it is connected to the charger (the fast charge light
will not illuminate). If the fast charge light does not come on within 6 hours the battery should be
considered damaged and should be discarded.
Do not assume that a battery that is still charging after 8 hours is nearing the end of its charge
cycle. Typical charging time for an empty battery is 12-14 hours from the start of fast charge.
Ensure that the batteries are fully charged before storing. If practical, store the batteries in a cool
o
o
place, 10
C, but make sure the temperature is not likely to drop below -30
C or the electrolyte
may freeze and possibly split the case.
109
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