Battery Removal/Replacement - OTS DRS-100 Mod B User Manual

LED turns green, indicating a full charge, or may be left connected indefinitely
as the charger automatically switches to the "maintenance charge" mode.
- IMPORTANT SAFETY WARNING NOTES -
• Batteries can excrete hydrogen gasses during the charging cycle. To mini-
mize gas build-up, open the pressure relief valve (Fig. 1, #5 ) on the panel
while recharging the batteries. Do not release the pressure relief valve and
turn on the DRS-100 until a minimum of 15 minutes have elapsed after the
charging cycle has been completed and the charger is disconnected from
the front panel. Failure to follow this procedure may result in damage to the
unit or serious injuries due to an explosion!!!
• Never use the RCS-30 smart charger to charge only one 12-volt battery.
Damage or injury may occur.
6. After a charging period, remove the RCS-30 smart charger from the power
source.
7. Disconnect the red and black charging plugs from the front panel.
8. After a resting period of at least 15 minutes, rotate the panel's relief valve
clockwise to its closed position.
Note: The RCS-30 smart charger cannot be used as an external power supply. It
does not supply enough current.
3.2

bATTERY REMOVAL/REPLACEMENT

If the batteries no longer can hold a charge, you will need to replace them with the
Ocean Technology Systems RB-30 battery kit. Follow this procedure to remove
and replace the batteries:
1. Remove the ten front-panel screws (Fig. 1, #10).
2. Gently remove the control panel by pulling on the handles (Fig. 1, #13).
3. Disconnect the panel's connectors from P8, P10, P11, P12, and P13 of the
circuit board.
4. Remove the battery jumper (Fig. 2, #19) and the interconnection cable (#18)
from the batteries.
5. Remove all the hex nuts (Fig. 2, #22) from the battery brackets.
6. Remove the battery bracket (Fig. 2, #23) from the batteries.
7. Remove the batteries (Fig. 2, #24).
8. Slide the new batteries into place.
9. Reinstall the battery bracket, and secure it with the hex nuts.
10. Connect one end of the battery jumper (Fig. 2, #19) to a terminal marked
"BLACK" on one of the new batteries.
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