EnerSys BA27-01 Maintenance Manual
  1. Manuals
  2. Brands
  3. EnerSys Manuals
  4. Camera Accessories
  5. BA27-01
  6. Maintenance manual
EnerSys BA27-01 Maintenance Manual

EnerSys BA27-01 Maintenance Manual

Sealed lead acid
Hide thumbs

Advertisement

Table of Contents

COMPONENT MAINTENANCE MANUAL
COMMERCIAL EXPORT ADMINISTRATION REGULATIONS (EAR)
THIS DOCUMENT CONTAINS DATA CONTROLLED BY THE U.S. EXPORT ADMINISTRATION REGULATIONS (ECCN:
9E991). DIVERSION OR USE CONTRARY TO U.S. LAW IS PROHIBITED
SEALED LEAD ACID BATTERY
PART No. BA27-01
(BOEING P/N S281W501-2)
WITH
ILLUSTRATED PARTS LIST
DOCUMENT No.
9602-0516
24-01-01
Rev. 11
.
Page T-1
June 26/20

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the BA27-01 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for EnerSys BA27-01

Summary of Contents for EnerSys BA27-01

  • Page 1 SEALED LEAD ACID BATTERY PART No. BA27-01 (BOEING P/N S281W501-2) COMPONENT MAINTENANCE MANUAL WITH ILLUSTRATED PARTS LIST DOCUMENT No. 9602-0516 Rev. 11 COMMERCIAL EXPORT ADMINISTRATION REGULATIONS (EAR) THIS DOCUMENT CONTAINS DATA CONTROLLED BY THE U.S. EXPORT ADMINISTRATION REGULATIONS (ECCN: 9E991). DIVERSION OR USE CONTRARY TO U.S. LAW IS PROHIBITED...
  • Page 2 COMPONENT MAINTENANCE MANUAL BA27 This page is intentionally left blank 24-01-01...
  • Page 3 COMPONENT MAINTENANCE MANUAL BA27 HIGHLIGHTS To: Holders of battery P/N BA27-01 ATA Reference 24-01-01 component maintenance manual (CMM) Herewith Revision No. 11 dated June 26/20 This revision of the component Maintenance Manual has the following modifications: CHAPTER PAGES ACTION Title...
  • Page 4 COMPONENT MAINTENANCE MANUAL BA27 24-01-01...
  • Page 5 COMPONENT MAINTENANCE MANUAL BA27 RECORD OF REVISIONS ISSUE DATE INSERT ISSUE INSERT DATE DATE DATE Apr 25/95 Jun 30/95 Apr 16/99 June 09/06 Feb 25/10 Aug 10/10 May 14/13 Feb 07/14 Mar 11/16 Mar 13/17 June 26/20 Page R/R-1 24-01-01 June 26/20...
  • Page 6 COMPONENT MAINTENANCE MANUAL BA27 This page is intentionally left blank 24-01-01...
  • Page 7 COMPONENT MAINTENANCE MANUAL BA27 RECORD OF TEMPORARY REVISIONS TEMPORARY PAGE ISSUE DATE REV No. DATE REMOVED Page TR-1 24-01-01 June 09/06...
  • Page 8 COMPONENT MAINTENANCE MANUAL BA27 This page is intentionally left blank 24-01-01...
  • Page 9 COMPONENT MAINTENANCE MANUAL BA27 SERVICE BULLETIN LIST SERVICE DATE BULLETIN BULLETIN REVISION INCORPORATED NUMBER NUMBER INTO MANUAL PRODUCT IMPROVEMENTS Product improvements have been incorporated using service bulletins entered in the service bulletin list. Service bulletin highlights are as follows: Page SBL-1 24-01-01 June 09/06...
  • Page 10 COMPONENT MAINTENANCE MANUAL BA27 This page is intentionally left blank 24-01-01...
  • Page 11 COMPONENT MAINTENANCE MANUAL BA27 LIST OF EFFECTIVE PAGES SUBJECT PAGE DATE SUBJECT PAGE DATE Title June 26/20 Disassembly May 14/13 Mar 13/17 Highlights HLGTS -1 June 26/20 Cleaning June 09/06 Blank Record of R/R-1 June 26/20 Check May 14/13 Revisions Blank Record of TR-1...
  • Page 12 COMPONENT MAINTENANCE MANUAL BA27 24-01-01...

  • Page 13: Table Of Contents

    COMPONENT MAINTENANCE MANUAL BA27 TABLE OF CONTENTS Paragraph Title Page Description and Operation ............. Testing and Fault Isolation ............ Automatic Test Requirements (not applicable) ...... Disassembly ................Cleaning ................Check ..................Repair ..................Assembly ................Fits and clearances (not applicable) ........Special Tools, Fixtures and Equipment .........
  • Page 14 COMPONENT MAINTENANCE MANUAL BA27 This page is intentionally left blank 24-01-01...
  • Page 15 An explanation of the use of the illustrated Parts List (IPL) is provided in the introduction to that section. All weights and measurements in the manual are in English units, unless otherwise stated. The BA27 battery is manufactured by: Corporate Office: EnerSys Ltd EnerSys Stephenson Street 2366 Bernville Road NEWPORT Reading, S.
  • Page 16 COMPONENT MAINTENANCE MANUAL BA27 24-01-01...

  • Page 17: Description And Operation

    Each Monobloc incorporates resealing safety valves to guard against the effects of abusive use of the battery. As the EnerSys Flight Controls (FC) battery is sealed, there are no restrictions as to transportation. The batteries are classified as non-hazardous cargo when transported by air, land or sea.
  • Page 18 COMPONENT MAINTENANCE MANUAL BA27 Sealed Lead Acid Battery Figure 1 Page 2 24-01-01 May 14/13...
  • Page 19 COMPONENT MAINTENANCE MANUAL BA27 Operation General The battery is charged (and also sustained) on the aircraft by a modified constant potential mode via a series 0.75 ohm resistance and relay contacts from the flight controls dc bus within the Flights Controls Power Supply Assembly.
  • Page 20 COMPONENT MAINTENANCE MANUAL BA27 State of Charge The battery is designed to commence discharge when the open circuit voltage (OCV) is within the 80 - 100% of nominal capacity range. At no time should the battery OCV be below 25.4 volts. Page 4 24-01-01 June 09/06...
  • Page 21 COMPONENT MAINTENANCE MANUAL BA27 The graph in figure 2 demonstrates the effect of temperature on battery capacity at various discharge rates DISCHARGE PERFORMANCE (SELECTED DISCHARGE RATINGS) AS A FUNCTION OF TEMPERATURE "-30 C "-20 C "-10 C 10 C 20 C 30 C 40 C DEGREES CELSIUS...
  • Page 22 COMPONENT MAINTENANCE MANUAL BA27 General Information Battery Voltage: Nominal 24.0 Volts Battery Weight: 6.577 Kg Max. (14.5 lbs) Dimensions: Overall Height 115.00 mm Max. (4.528") Overall Width 92.00 mm Max. (3.622") Overall Length 324.00 mm Max. (12.756") Handle Extension 35.60 mm Max. (1.402") Connector: ITT Cannon DPXBMA-10-34S-0015...

  • Page 23: Testing And Fault Isolation

    COMPONENT MAINTENANCE MANUAL BA27 TESTING AND FAULT ISOLATION General This section contains battery functional tests and fault isolation information. Trouble shooting is presented in chart form (Ref. Fig.8). Required Test Equipment (Ref. Fig. 4) NOTE: Test equipment having equivalent specifications can be used. NOMENCLATURE MODEL/PN APPLICATION...
  • Page 24 COMPONENT MAINTENANCE MANUAL BA27 Test Equipment Set Up A. Capacity Testing Connect the battery to the discharge test unit in accordance with figure 5. B. Recharging Connect the battery to the charging unit in accordance with figure 5. Figure 5 Page 8 24-01-01 Mar 13/17...
  • Page 25 COMPONENT MAINTENANCE MANUAL BA27 Testing Test Equipment Refer to Figure 4 for test equipment recommendations. Condition of Batteries on Receipt All batteries are despatched from manufacturer in a fully charged condition, the date of the latest charge being marked on the outer packaging. Unpacking and Acceptance Checks NOTE The only acceptance check required immediately upon receipt is...
  • Page 26 COMPONENT MAINTENANCE MANUAL BA27 As noted in section I, The battery may be stored up to 5 years at or below 25°C without degradation of performance provided that an inspection and open circuit voltage check is conducted every 12 months following the initial 2-year storage period.
  • Page 27 COMPONENT MAINTENANCE MANUAL BA27 State of Charge The open circuit voltage of the battery can be used as a guide to the state of charge of the battery. The graph in Figure 7 is an indicator as to the state of the charge of a new battery.
  • Page 28 COMPONENT MAINTENANCE MANUAL BA27 NOTE A dedicated lead acid battery charging room is not required for battery commissioning. A normal electrical workshop may be used and the battery can even be commissioned in a Nickel Cadmium battery room without fear of contamination. Commissioning Procedure Visually inspect the exterior of the battery casing for signs of damage, cracks, corrosion, etc.
  • Page 29 COMPONENT MAINTENANCE MANUAL BA27 If the discharge duration is greater than 60 minutes, recharge the battery in accordance with paragraph H, ensure the battery is clean and issue for use. If the discharge duration is less than 60 minutes, recharge the battery as detailed in paragraph H.
  • Page 30 COMPONENT MAINTENANCE MANUAL BA27 Charging Instructions Charging of the Flight Controls battery should be performed using a constant voltage charger, capable of constantly supplying 28.5 volts with a minimum supply current of 10 amps. Using the set-up illustrated in figure 5. (Minimum charge time 6 hours) NOTE: If the battery fails the first charging test per TESTING section 4.I, during...
  • Page 31 COMPONENT MAINTENANCE MANUAL BA27 Battery shop test upon removal from aircraft In normal service, the FCDC battery must be removed from the aircraft after 3.2 years and this shop test must be done. The service life of the FCDC battery is five years. The battery may be removed and replaced or re-blocked twice over a 15 year period of time.
  • Page 32 COMPONENT MAINTENANCE MANUAL BA27 hours. Allow the battery to stand open circuit for a minimum of 4 hours before repeating steps (iv) and (v). viii.) If the second discharge duration is still less than 8 minutes, recharge the battery in accordance with paragraph H and follow the rejection procedure.
  • Page 33 COMPONENT MAINTENANCE MANUAL BA27 Rejection Procedure If the battery fails any of the procedures listed below: - Commissioning  Battery shop test upon removal from aircraft  it should be rejected, and notification of failure sent to the manufacturer. Crane Aerospace & Electronics ELDEC Corporation PO Box 97027 Lynnwood...
  • Page 34 COMPONENT MAINTENANCE MANUAL BA27 Fault Isolation Trouble shooting information is presented in Figure 8 as a guide in locating a cause of malfunction and isolating the cause to a specific component. TROUBLE PROBABLE CAUSE REMEDY Zero battery voltage Broken or loose terminal Repair per repair connections.

  • Page 35: Disassembly

    COMPONENT MAINTENANCE MANUAL BA27 DISASSEMBLY General This section describes and provides the information necessary for an experienced shop mechanic to re-block batteries with no specialised training. The batteries can be reblocked a maximum of two times. Safety WARNING Caution shall be exercised when testing, building and handling batteries, as monoblocs are fully charged and any short circuit condition may result in injury.
  • Page 36 COMPONENT MAINTENANCE MANUAL BA27 Detailed Instructions NOTE The ( ) part identification numbers herein are detailed in IPL, Fig.1 item numbers. Verify both new monoblocs are properly matched pairs: - Same manufacturer - Same part number - Open circuit voltage is within 1% - Date Codes or Date of Manufacture Remove cover (180) by carefully drilling out the 10 rivet fastenings (210).

  • Page 37: Cleaning

    COMPONENT MAINTENANCE MANUAL BA27 CLEANING General The following item is required to perform the cleaning procedure. Soft clean dry cloth Disassembled Battery Ensure that no particles from the drilled rivets remain in the case. Wipe the inside of the case and underside of lid with soft clean dry cloth to remove dust or dirt particles.
  • Page 38 COMPONENT MAINTENANCE MANUAL BA27 24-01-01...

  • Page 39: Check

    COMPONENT MAINTENANCE MANUAL BA27 CHECK General Date of installation on aircraft Find the date that the battery was installed on the aircraft. If the date of installation was 3.2 years ago or more, do the test given in paragraph I: "Battery shop test upon removal from aircraft".
  • Page 40 COMPONENT MAINTENANCE MANUAL BA27 24-01-01...

  • Page 41: Repair

    COMPONENT MAINTENANCE MANUAL BA27 REPAIR Unserviceable Monoblocs NOTE Monoblocs are serial numbered in pairs; the two units carry the same serial number as is shown on the label on the battery container. When re-blocking, the existing label should be removed from the battery container and replaced with a new label and enter the original serial number, reblocking serial number and date.
  • Page 42 COMPONENT MAINTENANCE MANUAL BA27 Page 26 24-01-01 May 14/13...

  • Page 43: Assembly

    COMPONENT MAINTENANCE MANUAL BA27 ASSEMBLY General This section describes and provides information for an experienced shop mechanic to assemble batteries with no specialised training. Safety Same as disassembly. WARNING Caution shall be exercised when testing, building and handling batteries, as monoblocs are fully charged and any short circuit condition may result in injury.
  • Page 44 COMPONENT MAINTENANCE MANUAL BA27 Detailed Instructions Insert monoblocs (20) into case. NOTE Ensure that monobloc polarity is correct (Ref Fig. 9). monobloc adjacent to the connector block shall have its positive terminal closest to it. To insert the first monobloc, gently prise apart the case walls in the centre and place monobloc in.
  • Page 45 COMPONENT MAINTENANCE MANUAL BA27 Connect the negative wire to the negative terminal of the front monobloc using binx nut (140) and plain washer (130), tighten the nut to a torque of l.0 ± 0.1 Nm and then place nut cover (150) over the terminal.
  • Page 46 COMPONENT MAINTENANCE MANUAL BA27 Figure 9 Page 30 24-01-01 June 09/06...

  • Page 47: Special Tools, Fixtures And Equipment

    COMPONENT MAINTENANCE MANUAL BA27 SPECIAL TOOLS, FIXTURES AND EQUIPEMENT Special Tools NOTE Equivalent substitutes may be used for listed items. The equipment detailed in Figure 10 is required to disassemble, test and reassemble batteries. ITEM NUMBER ITEM PART NUMBER Drill 3.2mm (.125”) Drill Bit Torque Spanner &...
  • Page 48 COMPONENT MAINTENANCE MANUAL BA27 24-01-01...

  • Page 49: Illustrated Parts List

    COMPONENT MAINTENANCE MANUAL BA27 ILLUSTRATED PARTS LIST Introduction Purpose This section provides illustrations and parts breakdown of the BA27 battery, which can be disassembled, repaired or replaced and reassembled. Explanation and Usage of Section Assembly Order Indenture Section The Indenture System used in the parts list shows the relationship of one part to another.
  • Page 50 COMPONENT MAINTENANCE MANUAL BA27 Service Bulletin Incorporation Service Bulletin incorporation information applicable to the parts list will be provided in a future manual revision if it becomes applicable. Items Not Illustrated (a) Items not illustrated are indicated by a dash (-) ahead of the item numbers in the FIG, and ITEM NO.
  • Page 51 COMPONENT MAINTENANCE MANUAL BA27 Battery, Exploded View Figure 1 Page 35 24-01-01 June 09/06...
  • Page 52 ILLUSTRATED PARTS LIST ITEM PART NOMENCLATURE UNITS NUMBER 1234567 CODE PER ASSY BA27-01 SEALED LEAD ACID BATTERY (V08748) (9750B0818) 1478-5090 MONOBLOC, 5Ah P/O KIT ITEM 230 Serial No. B0100 to B0176 Serial No. B0177 to B0234 Serial No. B0235 to B0738 Serial No.

Table of Contents