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Saft America, Inc. 

711 Industrial Boulevard, Valdosta, Georgia 31601 

229-247-2331 phone // 229-247-8486 fax

 

 
 
To: 

Holders of 4579 (Saft 018550-000) batteries 

 

Revision No. 4 Dated July 13, 2001 

 

HIGHLIGHTS 

 

Pages which have been added or revised are outlined below together with the 
highlights of the revision.  Remove and insert the affected pages as listed and 
ensure the Record of Revisions page has noted Revision No. 4 dtd July 13/01. 
 
Chapter/Section 
and Page Number 

 

Description of Change 

 
Effectivitity 

List of Effective Pages 
Pages 1 & 2 

 
Revised to indicate 
added, revised and/or 
deleted pages 

 
All Models 

Introduction  
Page Intro 1 

 
Revised address and 
updated phone numbers 

 
All Models 

Testing and Fault 
Isolation 
Page 111 
 
 
 
 
 
Page 112 

 
 
Added testing 
parameters for shunt 
connection in 
Temperature Sensor 
Assembly  
 
Defined parameter for 
“open” circuit in K(6).  

 
 
All Models 

Illustrated Parts List 
Page 1002 
 
 
Page 1005 

 
Added phone numbers 
and website address 
 
Various 

 
All Models 

Содержание 4579

Страница 1: ...ns page has noted Revision No 4 dtd July 13 01 Chapter Section and Page Number Description of Change Effectivitity List of Effective Pages Pages 1 2 Revised to indicate added revised and or deleted pa...

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Страница 3: ...LEVARD VALDOSTA GEORGIA 31601 24 31 05 PAGE T 1 T 2 Blank July 13 01 COMPONENT MAINTENANCE MANUAL WITH ILLUSTRATED PARTS LIST Nickel Cadmium Battery 4579 BA06 ELDEC PART NUMBER S282T002 1 BOEING PART...

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Страница 5: ...ENANCE MANUAL 4579 24 31 05 PAGE RR 1 RR 2 Blank July 13 01 RECORD OF REVISIONS REV NO ISSUE DATE INSERT DATE BY REV NO ISSUE DATE INSERT DATE BY 1 02 28 84 03 01 84 Saft 2 06 15 91 07 01 91 Saft 3 01...

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Страница 7: ...SAFT AMERICA INC COMPONENT MAINTENANCE MANUAL 4579 24 31 05 PAGE RTR 1 RTR 2 Blank Jan 30 98 RECORD OF TEMPORARY REVISIONS TEMPORARY REV NO PAGE NUMBER ISSUE DATE BY DATE BY...

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Страница 9: ...k Jan 30 98 SERVICE BULLETIN LIST SERVICE BULLETIN NUMBER REVISION NUMBER DATE BULLETIN INCORPORATED INTO MANUAL PRODUCT IMPROVEMENTS Product Improvements have been incorporated using service bulletin...

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Страница 11: ...108 109 110 111 112 113 114 115 116 117 118 Jan 30 98 Jan 30 98 Jan 30 98 Jan 30 98 Jan 30 98 Jan 30 98 Jan 30 98 Jan 30 98 Jan 30 98 Jan 30 98 July 13 01 July 13 01 Jan 30 98 Jan 30 98 Jan 30 98 Jan...

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Страница 13: ...ONTENTS PARAGRAPH TITLE PAGE Description and Operation 1 Testing and Fault Isolation 101 Automatic Test Requirements ATLAS N A Disassembly 301 Cleaning 401 Check 501 Repair 601 Assembly Including Stor...

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Страница 15: ...ic instructions to be used on the equipment covered herein Most standard aerospace practices are not described herein An explanation of the use of the Illustrated Parts List IPL is provided in the Int...

Страница 16: ......

Страница 17: ...assembly The sensor assembly includes a thermoswitch mounted on a plate against the end of the center row of cells A charge control thermistor is located between cells 6 and 9 in the center row of ce...

Страница 18: ...side brackets Width including handles 11 4 285 mm 13 0 325 mm 11 0 275 mm Cell Assembly Terminal M10 X 1 25 Number of Cell Assemblies 20 Cell Model VHP450KA 1 Rated Capacity End of Life Capacity 40 Ah...

Страница 19: ...OTE All part identification numbers herein are IPL Fig 1 item numbers 2 Required Test Equipment NOTE Test equipment having equivalent specifications can be used NOMENCLATURE APPLICATION DC Power Suppl...

Страница 20: ...O D NOT GOOD CHARGE LEVEL ELECTROLYTE RETURN TO SERVICE SPECIAL TESTING ALL CELLS 1 50V ANY CELL 1 50V ALL CELLS 1 50V ANY CELL 1 50V NOTES Record all discharge data in battery log book Reentry point...

Страница 21: ...for a complete list of all test equipment required for proper maintenance of a Ni Cd battery C Initial Discharge Capacity Test The purpose of this discharge procedure is to determine the initial capa...

Страница 22: ...ttery and all cells are considered above rated capacity Proceed to with maintenance per Fig 102 b The first cell discharged to 1 0 V in less than the minimum time listed in Figure 103 indicating that...

Страница 23: ...NOTE It is not necessary to have a rest period between discharge and residual discharge 1 Continue to discharge the battery After battery voltage drops to 1 0 V connect a 1 0 ohm 3 0 watt minimum res...

Страница 24: ...RGE IF ANY CELL INDICATES AN IMMEDIATE VOLTAGE RISE ABOVE 1 50 VOLTS ADD ABOUT 10 CC S OF DISTILLED OR DEMINERALIZED WATER THROUGH THE VENT VALVE OPENING OF THAT CELL 3 Charge using one of the two met...

Страница 25: ...rge 4 Record the time that the first cell reaches 1 0 V NOTE It is not a cause for concern if a cell goes to zero volts or reverses polarity during the battery discharge Simply short out the cell s te...

Страница 26: ...analog volt ohmmeter for a measurement of 500 mA 2 Connect the negative lead to the battery container and the positive lead to the positive terminal of the battery then to the positive terminal on ea...

Страница 27: ...ge the battery at 4 5A for 10 12 hours per Figure 104 3 Overcharge the battery at 4 5A for an additional 4 hours Total charge time will be approximately 18 20 hours 4 Monitor individual cell voltages...

Страница 28: ...hem soak to dissolve any salts 3 Cover the cells 2 with a clean damp cloth to prevent entry of foreign matter 4 Check the liquid level in the cell a Insert the syringe P N 020915 004 into the cell ope...

Страница 29: ...o achieve the correct level d At the point in step b when some excess liquid is drawn into the syringe the correct level for that cell has been reached Expel the excess liquid into a separate containe...

Страница 30: ...mperature sensor assembly 22 Ohmmeter should read 1M open thermoswitch contacts at room temperature 70 F 5 F 21 1 C 2 C 2 Suspend the thermoswitch plate 23 with thermoswitch in a beaker of water with...

Страница 31: ...1 00 The adapter can be made from 1 2 inch round stock with 1 4 inch I D hole 2 Screw the valve 3 with its o ring 4 into the adapter end of the pressure test fixture 3 Attach the fixture to a compress...

Страница 32: ...l connector not making contact Check electrical contacts links and tightness of nuts CHECK Link loose or broken Replace if necessary torque all upper terminal nuts CHECK Zero volt with battery set to...

Страница 33: ...e level TESTING and FAULT ISOLATION Disassemble and clean the battery DISASSEMBLY AND CLEANING Check electrolyte level TESTING and FAULT ISOLATION Retighten vent valve Test vent valve TESTING AND FAUL...

Страница 34: ...s whose water consumption differs significantly from that of other cells in the battery more than 30 above average Leaking cell s Check sealing of cell s CHECK Disassemble and clean the battery DISASS...

Страница 35: ...ut off voltage reached before minimum time or not reached at the maximum time Battery not fully discharged or strongly unbalanced Perform a regular check CHECK Cell with abnormally low voltage at end...

Страница 36: ...parator and damaged plates Replace with new SAFT cell DISASSEMBLY ASSEMBLY Cell with zero voltage when battery circuit is open Short circuited cell Replace with new Saft cell DISASSEMBLY ASSEMBLY Low...

Страница 37: ...TELY DISCHARGED BEFORE CELL ASSEMBLIES CAN BE REMOVED DUE TO POSSIBLITY OF ELECTRIC SHOCK WARNING USE CARE NOT TO TILT BATTERY WHILE VENT VALVES ARE LOOSENED CONTACT OF ELECTROLYTE WITH SKIN CAN CAUSE...

Страница 38: ...ghtening the cell puller on cell terminals and removing cell with a steady straight up pull I Disassembly of the cell assemblies 2 is restricted to replacing defective vent valve o rings 4 and the low...

Страница 39: ...are required to perform the cleaning procedures equivalent substitutes can be used Stiff bristle brush nonmetallic Dry compressed air source less than 20 psi 1 4 bar Safety goggles Lubricant non acid...

Страница 40: ...N DO NOT USE A WIRE BRUSH TO CLEAN CELL TOPS CELLS MAY BE DAMAGED D Remove white deposits potassium carbonate from tops of all cell assemblies 2 using a stiff bristle nonmetallic brush WARNING TO PREV...

Страница 41: ...y clean cloth CAUTION THE LENGTH OF TIME VENT VALVES ARE REMOVED FROM THE CELL ASSEMBLIES SHOULD BE KEPT TO A MINIMUM OVER EXPOSURE OF THE ELECTROLYTE TO THE ATMOSPHERE WILL AFFECT BATTERY PERFORMANCE...

Страница 42: ......

Страница 43: ...ry 2 Remove the battery cover 8 pad 9 and formed insulator 10 3 Visually verify the connector receptacle 16 is present and undamaged 4 Visually verify all cells 2 are positioned for proper polarity 5...

Страница 44: ...if leakage is evident B Visually check each cell vent valve assembly 3 for defective o rings cracks or other physical damage Replace defective o rings 4 Vent valves that visually appear damaged shoul...

Страница 45: ...ks dents or other physical defects Any evidence of the above conditions however minor is cause for replacement Discard the damaged unit and replace with factory new 3 Visually check all wiring for dam...

Страница 46: ......

Страница 47: ...ed 3 Attach cell removal tool P N 017556 000 to the cell s terminal and remove cell from the case using a steady upward pull 4 Replace cell with factory new by inserting the new cell into the case and...

Страница 48: ...particles from falling into the cell 3 Remove the defective O ring 4 from the vent valve 3 and install a new O ring 4 onto the vent valve 3 4 Remove the cloth from the cell and insert the vent valve...

Страница 49: ...align the holes in the liner with the hole in the partition 3 Insert the thermoswitch plate 23 IPL Fig 1 in back of liner assembly 27 11 so that the liner assembly 27 11 Fig 702 is between the thermos...

Страница 50: ...L Fig 1 in the left and right hand side of the battery case 7 IPL Fig 1 Be sure to maintain the proper cell arrangement and polarity orientation per Fig 703 3 Install the left and right end liners 27...

Страница 51: ...e defective nickel plating 2 Using a small brush lightly coat cell terminals and intercell links with neutral nonacid petroleum jelly NOTE Excessive use of petroleum jelly on the terminals and connect...

Страница 52: ...3 No corrosive liquids or gases stored in the same room 4 After 90 days the battery must be charged and the water level checked in accordance with procedures found in TESTING and FAULT ISOLATION C In...

Страница 53: ...rge and delivers its rated capacity STORAGE TIME SERVICE PROCEDURE Less than 3 months Charge the battery TESTING and FAULT ISOLATION More than 3 months Perform electrical tests and charge the battery...

Страница 54: ...SAFT AMERICA INC COMPONENT MAINTENANCE MANUAL 4579 24 31 05 PAGE 706 Jan 30 98 Battery Liners Figure 702...

Страница 55: ...SAFT AMERICA INC COMPONENT MAINTENANCE MANUAL 4579 24 31 05 PAGE 707 708 Blank Jan 30 98 Cell Polarity Figure 703...

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Страница 57: ...OTE The values listed in Fig 801 are lube torque values The threads should be lightly greased prior to installation and applying torque Figure Item Number Torque Value Name Location IPL Fig 1 IPL Fig...

Страница 58: ......

Страница 59: ...004 is used in the electrolyte level adjustment and the cell puller P N 017556 is used in cell removal Spare hardware vent valves and O rings are provided 2 The following items in Figure 901 are the...

Страница 60: ...A I R A S S E M S T O R E 093382 000 Wrench Vent Valve X X X X X X 020915 004 Syringe 20cm3 1 22in3 fig 111 X X X 017556 000 Wrench Cell Extraction X X Constant Current Power Unit 0 60 Amp X X X Const...

Страница 61: ...ned in the EFF CODE column to each top assembly The reference letter of the applicable top assembly is also shown in the EFF CODE column for each detail part and subassembly except that no reference l...

Страница 62: ...tion differences 4 Optional parts 5 Product improvement parts non service bulletin b Alpha variant item numbers are not shown on the exploded view when the appearance and location of the alpha variant...

Страница 63: ...SAFT AMERICA INC COMPONENT MAINTENANCE MANUAL 4579 24 31 05 PAGE 1003 Jan 30 98 Figure 1 1 of 3...

Страница 64: ...SAFT AMERICA INC COMPONENT MAINTENANCE MANUAL 4579 24 31 05 PAGE 1004 Jan 30 98 Figure 1 2 of 3 Figure 1 3 of 3...

Страница 65: ...EA 1 9 018553 000 Pad Hold Down EA 1 10 018559 000 Insulator Formed EA 1 11 015575 000 Link Flat Terminal EA 5 12 018569 000 Link Curved Terminal EA 3 13 015577 000 Link Flat Terminal EA 2 14 018567...

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