TABLE OF CONTENTS (Cont)

PREVENTIVE MAINTENANCE

Scope Of Organizational Preventive Maintenance.................................................................4-1

Test Equipment, Tools, Additional Equipment and Supplies, and Battery

Charging Equipment...............................................................................................................4-2

Preventive Maintenance ......................................................................................................... 4-3

Organizational Preventive Maintenance Checks and Service Periods ..................................4-4

Operator Daily Preventive, Maintenance Checks and Services Chart (at Equipment Site) .. 4--5

Organizational Weekly Preventive Maintenance Checks and Service Chart for Battery

BB-693/U ................................................................................................................................4-6

Organizational Monthly Preventive Maintenance Checks and Service Chart ........................4-7

Organizational Quarterly Preventive Maintenance Checks and Services ..............................4-8

Visual Inspection ....................................................................................................................4-9

Electrical Leakage Test .........................................................................................................4-10

4-3

Charging ................................................................................................................................4-11

4-3

Adjustment of Low Rate Battery Tap for BB-693/U...............................................................4-12

4-3

Cleaning Storage Battery ......................................................................................................4-13

4-5

ORGANIZATIONAL MAINTENANCE SERVICING

General Servicing- Information..............................................................................................4-14

4-5

Adjusting Electrolyte Level .................................................................................................... 4-15

4-5

Organizational Repair............................................................................................................4-16

4-6

Chapter

DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

General Instructions ...............................................................................................................5-1

Test Equipment, Tools, Additional Equipment and Supplies .................................................5-2

Battery- Charger Equipment..................................................................................................5-3

Preparing New Battery For Service........................................................................................5-4

Adjusting Electrolyte Level .....................................................................................................5-5

5-6

Periodic Service Procedures ..................................................................................................5-6

5-7

Troubleshooting......................................................................................................................5-7

5-13

Disassembly ...........................................................................................................................5-8

5-14

Reconditioning Battery Components......................................................................................5-9

5-16

Individual New Cells ..............................................................................................................5-10

5-17

Preparing a Battery for Service Containing All New Cells.....................................................5-11

5-17

Vent Cap Valve Test .............................................................................................................5-12

5-18

Battery Heater Blanket Assembly Electrical Test ..................................................................5-13

5-19

Battery Case Vent .................................................................................................................5-14

5-20

Administrative Storage ..........................................................................................................5-15

5-20

Appendix A.

REFERENCES..................................................................................................................

A-1

COMPONENTS OF END ITEMS LIST [Not applicable]

ADDITIONAL AUTHORIZATION LIST [Not applicable]

MAINTENANCE ALLOCATION

Introduction...............................................................................................................................

D-1

Maintenance Allocation Chart ..................................................................................................

D-3

III.

Tool and Test Equipment Requirements..................................................................................

D-4

IV.

Remarks. ..................................................................................................................................

D-5

Appendix E.

ORGANIZATIONAL AND DIRECT SUPPORT MAINTENANC REPAIR

PARTS AND SPECIAL TOOLS LIST

Introduction...............................................................................................................................

E-1

Repair Parts List .......................................................................................................................

E-5

Group 00

Battery, Storage BB-693A/U.....................................................................................................

E-5

III.

Special Tools List (Not applicable)

IV.

National Stock Number and Part Number ...............................................................................

E-6

Appendix F.

EXPENDABLE SUPPLIES AND MATERIALS LIST

Introduction...............................................................................................................................

F-1