Joint-Use U.S. Navy and Air Force Battery Maintenance Technical Order

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Presentation transcript:

Joint-Use U.S. Navy and Air Force Battery Maintenance Technical Order Tri-Service Power Expo Briefing Mr. Barry Newman NAVSEA Crane (812) 854-4153 Mr. Steven Barry OC-ALC, Tinker AFB. (405) 734-8268

WHY ARE WE HERE?

Tri-Service Battery Specifications MIL-B-81757 – Vented Ni-Cd batteries with improved gas barriers (Permion, Celgard) MIL-PRF-81757 – LMV Ni-Cd batteries MIL-B-8565 – Medium-Rate Batteries MIL-PRF-8565 – Recombinant/Sealed Lead Acid Batteries (SLAB) MIL-P-18148–Aircraft Battery Power Connectors MIL-PRF-18148- Aircraft Battery High-Power Receptacles and Connectors

Joint-Use Battery Maintenance Standardized Navy and Air Force Ni-Cad and SLAB Battery Maintenance Procedures Common procedures listed in the Joint-Use Aircraft Battery Technical Order (T.O.) 17-15BAD-1/8D2-62-1 Authorizes Navy to service AF batteries and vice versa. Standardized procedures will save Time, Money and Resources

Ni-Cd Maintenance Ni-Cd problems can be evaluated without completely disassembling the battery Current Leakage caused by electrolyte can be fixed by flushing case with water. Wet batteries will not effect electrical leakage test. Cracks in the receptacle housing cause the majority of current leakage problems Cells with electrical/electrolyte leakage problems can easily be found after removing the cell interconnect links.

Ni-Cd Maintenance Only disassemble batteries to replace defective component, test component or resolve current leakage problems. Number each cell before disassembly and reinstall cells in the same position they were removed from to avoid gaps between cells. - Subsequent use causes cells to grow together again and gaps between the cell bodies should be avoided to prevent cell jar leakage.

Ni-Cd Maintenance New Joint-Use Ni-Cd ReFLEX Charge/Discharge procedures. Initial Charge (15 minutes) ReFLEX (Main Charge up to 2 hours) Topping Charge (40 minutes, measure cell voltages and adjust cell electrolyte)

SLAB Maintenance SLAB’s were being condemned in the field for non-recovery from accidental on-wing discharges (low-volts) New Joint-Use SLAB recovery procedures have recovered 24 volt batteries from 6 volts.

QUESTIONS AND ANSWERS Mr. Barry Newman Mr. Steven Barry NAVSEA Crane (812) 854-4153 Mr. Steven Barry OC-ALC, Tinker AFB. (405) 734-8268