Battery Charging

(1) Check condition of batteries EVERY DAY with hydrometer. For this purpose, select one cell in each battery group for use as a pilot cell, and read gravity in each of these cells by removing filling cap and drawing enough acid into hydrometer barrel to lift float. After reading, replace all acid withdrawn and put cap back. Never measure the gravity just after adding water; wait until battery has been on charge long enough to stir up solution.

(2) Enter gravity readings on Battery Log Sheet we supply. This is very important in order that our engineer may have proper information to enable him to service the installation.

(3) As soon as gravity of pilot cells of any set in use has fallen to 1200, put this set on charge, as described on next page. NEVER let gravity get below 1190, as this shortens life of battery and has bad effect on operation of equipment. On the other hand, do not start charging above 1200, as batteries will then be worn out by too frequent charging.

(4) When gravity of set on charge has risen to between 1270 and 1285, take this set off charge.

(5) Our engineers adjust charging rate so that as a general rule, where there are two sets of batteries used and charged alternately, if one set is on charge while other is in use, set on charge will reach full charge value by the time set in use is down to 1200. If you find that it is often necessary to make period of charge longer than period of operation, report matter to our service engineer on his next visit.

(6) When equipment is not being used very much, acid gravity may not fall to charging point in a whole month. At such times, charge batteries every month

(7) In connection with the use of the hydrometer, change the pilot cell every month so that all cells will be used in turn and loss of electrolyte through dripping, etc., will be equalized.

Operating 1-FD Type Battery Panel

To prepare for operation of equipment, proceed as follows:

(1) Set at "Operate" switch for "F"
battery set which is to be used.

(2) Set at "Charge" switch for "F"
battery set which is to be charged.

(3) Set at "Operate" the switch controlling the "H" batteries.

When finished operating, open all above switches, with the following exceptions:

(1) If additional charging as explained previously is needed for "F" battery set that has been on charge, keep the switch controlling this set at "Charge" until gravity reaches full charge value.

(2) If "H" batteries need charging, set switch, controlling them at "Charge" and keep it there until gravity reaches full charge value.

Operating 40 Type Battery Panel
To prepare for operation of equipment, proceed as follows:

(1) Set at "Operate" switch for battery set which is to be used.

(2) Set at "Charge" switch for battery set which is to be charged.

When finished operating open both switches, unless additional charging as explained previously is needed for set that has been on charge, in which case keep the switch controlling this set at "Charge" until the gravity reaches the full charge value.

Maintenance

If the storage batteries are to realize their full life and cause no trouble, they must have proper care and attention. The following points are for this reason very important.

Water

Never put anything into a storage battery except clean DISTILLED water. Keep this water in glass or earthenware receptacles, never metal ones.