Numatic NBV 190 Original Instructions Manual page 10

ATTENTION
Please follow all safety guidelines set out.
A defective battery should not be stored inside buildings on any account.
1. If a customer wishes to return a battery to a supplier, then collection of the battery must be arranged by
the supplier, however, Faulty batteries must not be returned through the postal system or by courier.
2. If on return to a supplier, OR at a customer base, a suspected defective battery shows any signs of
impact damage, distortion, blistering, loose parts or leakage then on no account should it be off ered for
condition checking. It must be considered defective and the procedures described from item 8 below
should be followed.
3. If, on return to a supplier, OR at a customer base, a suspected defective battery, that shows No signs of
impact damage, distortion, blistering, loose parts or leakage, may be off ered for condition checking with
an appropriate battery condition checking device operated by a competent person.
4. If checking shows the battery to be defective then the procedures described from item 8 below should
be followed.
5. If on checking the battery is found to be operational then a single recharge cycle under observation can
be attempted with the appropriate Numatic charger.
6. If the battery recharges correctly on this single recharge cycle then it can be deemed a good battery.
7. If the battery fails to recharge correctly on this single recharge cycle then it must be deemed a defective
battery and the procedures described from item 8 below should be followed.
8. On no account must any further attempt to recharge be made.
9. A defective battery should not be stored inside buildings on any account.
10. The defective battery should be discharged by placing it in a container of salt water located in a well
- ventilated area.This container should contain 25 litres minimum of saline water at a concentration
of 15gr common salt / litre of water. The container should have a closed locked lid but should not be
sealed. The battery should be left fully immersed in the water to a depth of at least 100mm for at least 2
weeks. The water should be disposed of as hazardous waste when the discharge is complete.
11. The defective discharged battery can then be stored in a locked battery waste container which should
be plastic or plastic lined and placed away from buildings and clearly signed as a defective battery
container with appropriate warnings.
12. The batteries should then be sent for waste disposal according with your country's waste regulations.
An example of a waste battery storage bin, keep well away from buildings.
Defective Batteries