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DOD-B-24531 1976 Edition, February 23, 1976
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BATTERY, STORAGE, SILVER - ZINC ALKALINE
Includes all amendments and changes through Interim Notice 1, April 22, 1998
Additional Comments: INACTIVE FOR NEW DESIGN AFTER 4/22/98
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This specification covers the rechargeable silver-zinc alkaline storage batteries used for emergency onboard deep submergence vehicles.

Silver-zinc alkaline storage batteries shall be of the types specified (see 3.1).

This appendix covers the format for the preparation of a service manual for the emergency silver-zinc batteries. The format shall be as follows:
             Chapter                                                  Page
             (Cover pages)      TITLE PAGE                              1
                                APPROVAL AND PROCUREMENT RECORD PAGE    2
                                VALIDATION OF PERFORMANCE               3
                                TABLE OF CONTENTS                       4




1. GENERAL INFORMATION

103 Description of cells and battery plus following statement of format: The format of this manual is condensed from that of the military specification for procuring the main batteries for this deep submergence vehicle. Thus nonapplicable paragraphs and chapters have been deleted but the paragraph and chapter numbers for any given topic are consistent from one manual to the other.

2. FUNCTIONAL DESCRIPTION

A. ELECTROCHEMISTRY

201 General

202 Reactions

3. PREPARATION

A. SHIPMENT

301 Dry shipment

302 Wet shipment

B. STORAGE

311 Dry

312 Wet charged

313 Wet discharged

C. PREPARATION FOR INSTALLATION

321 Safety precautions

322 Filling cells

323 Formation (if necessary)

4. OPERATION

A. GENERAL

401 Safety precautions

B. CHARGING

411 General characteristics

412 State of charge

413 Normal charge

414 Overcharge

420 Voltage limits

421 When to charge

422 Ventilation

423 Temperature limits

C. DISCHARGING

431 General characteristics

432 Discharge rate

433 Voltage limits

434 Ventilation

435 Temperature limits

436 Capacity test discharge

D. BATTERY RECORDS

442 Battery monthly report

5. MAINTENANCE

A. REQUIRED ACTION

501 General

502 Capacity maintenance

503 Preventive maintenance

504 Maintenance schedule

B. STANDARDS

511 Voltage

512 Capacity

515 Meters

517 Cell seals

519 General cleanliness

D. SUPPORT SHIP AND SHORE BASED ACTION

531 Voltage

535 Meters

537 Cell seals

538 Battery seals

539 General cleanliness

E. RECOMMENDATIONS

541 General

543 Booster charge

544 Temporary storage

545 Low temperature storage

6. TROUBLE SHOOTING

A. FAILURE MODES

601 Capacity loss

602 Internal shorting

B. CAPACITY LOSS

611 Causes

C. INTERNAL SHORTING

621 Detection

622 Verification

623 Action

624 Trouble shooting

8. SAFETY PRECAUTIONS

A. SAFETY EQUIPMENT

801 General

802 Fire extinguisher

803 Face shield or goggles

A. SAFETY EQUIPMENT (continued)

805 Insulated tools

806 Vaseline or petrolatum

807 First aid materials

809 Rags or toweling

B. HAZARDS

811 Electrical

812 Hydrogen

813 Electrolyte

815 Mercury

816 Hot short