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RBC-121R Battery Charger
Figure 5 – Battery Warning Label
4. Select an appropriate location for the
charger before use. Check work area
for:
• Flammable liquids, vapors or dust that
may ignite. If present, do not work in
area until sources have been identified
and corrected. Battery charger is not
explosion proof and can cause sparks.
• Clear, level, stable, dry indoor location
for charger. Do not use in wet or
damp areas.
• Proper charging temperature range.
• Appropriate power source. Confirm
that outlet matches the charger plug.
Use of extension cords is not recom-
mended.
• Sufficient ventilation area. The charger
needs a clearance of at least 3" (76
mm) on all sides to maintain the proper
operating temperature.
Figure 6 – Inserting Power Cord
5. If needed, securely install power cord into
charger (Figure 6). See Optional Equip -
ment section for proper cords for use with
the RBC-121R Battery Charger.
6. This charger is provided with a keyhole
hanging feature if wall mounting is de-
sired. Screws should be installed at a
center distance of 3" (76mm) – See
Figure 4.
6
Operating Instructions
WARNING
Follow operating instructions to reduce
the risk of injury from electrical shock.
Charging Procedure
New batteries reach their full capacity after
approximately five charging and discharging
cycles. It is not necessary to completely dis-
charge a battery pack before recharging.
1. Set up charger according to Inspection
and Assembly section.
2. With dry hands, insert plug into appro-
priate power source. Route cords to pre-
vent tripping or cord damage.
3. When charger is in "ready to charge"
mode, the yellow LED light will blink
continuously.
4. With dry hands, insert the battery pack
onto the charger. (See Figure 7.) Do not
force the battery into the charger. The
battery pack will begin charging automat-
ically. The battery pack will become slightly
warm to the touch during charging. This
is normal and does not indicate a problem.
The LED light on the battery charger will
indicate charging condition (Figure 3).
Once the battery is charged, it may re-
main on the charger until use. There is
no risk of overcharging the battery.
5. When charging is complete, with dry
hands, remove the battery from the
charger and unplug the charger from
outlet.
999-995-210.09_REV. C
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