Important Charging Notes - RIDGID K-39 Series Operator's Manual

K-39/K-39B Drain Cleaning Machine
1. Locate the charger so the cord and charger will not be
stepped on, tripped over or be subjected to damage.
Do not expose charger to wet environment such as
rain or snow.
2. Charge battery cartridge in temperatures above 40°F
(14°C) and below 105°F (41°C). Store tool and battery
cartridge in location where temperatures do not ex-
ceed 120°F (49°C) or go below 40°F (14°C). Allow
battery pack to return to room temperature before
attempting to charge.
3. Plug the battery charger into the proper A/C voltage
source.
To avoid electric shock and electrical fires,
WARNING
never use an extension cord that is damaged or does not
meet the following requirements:
• The cord has pins on line plug that are similar in size
and shape to those of the plug on the charger.
• The cord is rated as "W" or "W-A" if being used
outdoors.
• The cord has sufficient wire thickness (16 AWG
below 100'). If the wire thickness is too small, the
cord may overheat, melting the cord's insulation
or causing nearby objects to ignite.
4. When battery cartridge is inserted, the charger's
green indicator will begin to "BLINK". This indicates
that the battery is receiving a fast charge. Fast-charg-
ing will automatically stop when the battery pack is fully
charged.
When the indicator light stops " BLINKING" (and be-
comes a steady green light) fast charging is complete.
When you begin the charging process of the battery
pack, a steady green light could also mean the battery
pack is too hot or too cold.
The purpose of the light is to indicate that the battery
pack is fast-charging. It does not indicate the exact
point of full charge. The light will stop blinking in less
time if the battery pack was not completely discharged.
When the battery pack is fully charged, unplug the
charger (unless you're charging another battery pack)
and slip the battery pack back into the tool handle.
Indicator Light
Figure 4 – Charging Battery Pack
NOTE! Charging time will be approximately one hour.
Charge only RIDGID-type batteries. Other types of
batteries may burst causing personal injury.
5. After charging, unplug the charger from the power
source.

Important Charging Notes

1. The battery pack accepts only about 80% of its max-
imum capacity with its first few charge cycles.
However, after the first few charge cycles, the battery
will charge to full capacity .
2. The charger was designed to fast charge the battery
only when the battery temperature is between 40°F
(4°C) and 105°F (41°C).
3. A substantial drop in operating time per charge may
mean that the battery pack is nearing the end of its life
and should be replaced.
4. If you anticipate long periods (i.e. a month or more) of
non-use of your tool, it is best to run your tool down
until it is fully discharged before storing your battery
pack. After a long period of storage, the capacity at
first recharge will be lower. Normal capacity will be re-
stored in two or three charge/discharge cycles.
Remember to unplug charger during storage period.
5. If battery does not charge properly:
A. Check for voltage at outlet by plugging in some
other electrical device.
B. Check to see if outlet is connected to a light switch
which turns power "OFF" when lights are turned off.
C. Check battery pack terminals for dirt. Clean with
cotton swab and alcohol if necessary.
Ridge Tool Company
Battery Pack
Charger
WARNING
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