Discard Any Previous Revision of The CMM and Use The Current Revision Dated Apr 23/19
Discard Any Previous Revision of The CMM and Use The Current Revision Dated Apr 23/19
HIGHLIGHTS
Discard any previous revision of the CMM and use the current revision dated Apr 23/19.
NOTE: The CMM can be downloaded from the internet at www.saftbatteries.com
Chapter/Section and
Page Number Description of Change Effectivity
All Pages Reformatting and general updates All Models
24-31-07
Highlights Page 1 of 1
Apr 23/19
ECCN: EAR99
Cage Code 09052
711 GIL HARBIN INDUSTRIAL BOULEVARD
VALDOSTA, GEORGIA 31601
Phone: 1 (229) 247-2331 Fax: 1 (229) 247-8486
Website: www.saftbatteries.com
WITH
ILLUSTRATED PARTS LIST
24-31-07
Page T-1 / T-2 Blank
REV 12 Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
RECORD OF REVISIONS
24-31-07
ROR Page 1 / ROR Page 2 Blank
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
24-31-07
RTR Page 1 / RTR Page 2 Blank
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
PRODUCT IMPROVEMENTS
Product Improvements have been incorporated using service bulletins entered in the service
bulletin list. Service bulletin highlights are as follows:
24-31-07
SBL Page 1 / SBL Page 2 Blank
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
24-31-07
LEP Page 1 / LEP Page 2 Blank
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
TABLE OF CONTENTS
PARAGRAPH TITLE PAGE
Disassembly 3001
Cleaning 4001
Check 5001
Repair N/A
Assembly 7001
24-31-07
TOC Page 1 / TOC Page 2 Blank
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
LIST OF ILLUSTRATIONS
24-31-07
LOI Page 1 / LOI Page 2 Blank
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
LIST OF TABLES
1 Leading Particulars 2
24-31-07
LOT Page 1 / LOT Page 2 Blank
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
INTRODUCTION
1. General
A. This manual is written to the ATA Specification 100 and in AECMA Simplified
English. International Standard units of measure are used in this manual, with
imperial units in parentheses.
B. This manual describes maintenance on components in a workshop. It does not
describe maintenance on components when they are installed in aircraft.
C. Only approved personnel with the necessary skill can do maintenance tasks
described in this manual.
D. This manual contains:
(1) Technical data for components
(2) Maintenance and replacement procedures for components
(3) An Illustrated Parts List (IPL) with data for parts of components. Parts
are identified in all sections of the manual by IPL figure and item number.
E. We make sure of DISASSEMBLY, TESTING AND FAULT ISOLATION, and
ASSEMBLY procedures by doing them.
The manual is divided into separate sections:
(1) Title Page
(2) Record of Revisions
(3) Record of Temporary Revisions
(4) List of Effective Pages
(5) Table of Contents
(6) Introduction
(7) Procedures and IPL Sections
The disassembly and assembly sections generally contain only specific instructions
used on the equipment covered herein. Most standard aerospace practices are not
described herein.
This manual provides the information necessary for an experienced shop technician to
maintain Saft nickel-cadmium batteries. It describes construction of the battery, as well
as techniques used to operate, maintain, and generally care for the battery. Following
these instructions will enhance the ability to obtain optimum performance and maximum
life from Saft batteries.
24-31-07
Intro 1
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
All aircraft batteries require checking and maintenance to make sure they are safe when
installed and they perform their required functions especially in emergency conditions on
board the aircraft. Maintenance checks also permit any problems to be identified and
corrected. The maintenance interval is the period for which correct operation is assured
with a low probability of failure and allows high levels of MTBUR and MTBF.
Every effort has been made to provide complete and accurate instructions. If a
situation should arise that is not adequately described in this manual, please contact
Saft via the internet at www.saftbatteries.com or at one of the following addresses:
2. Definitions
Warnings call attention to use of materials, procedures, or limits which must be followed
precisely to avoid injury to persons.
Cautions call attention to procedures which should be followed to avoid damage to
equipment.
Notes call attention to procedures which make the job easier.
3. Safety
24-31-07
Intro 2
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
There are three types of risks
A. Physical
(1) Handling: the battery is heavy. When you lift it, bend your legs and not your
back.
(2) Use protective shoes.
B. Electrical
(1) Do not wear rings, watches, chains, belt buckles, necklaces, or any other
metallic objects.
(2) Use insulated tools.
C. Chemical
(1) For a complete listing of hazards, refer to the safety information sheet
available on Saft's website at www.saftbatteries.com.
(2) Electrolyte is very corrosive and can damage the skin: use gloves and an
apron. Electrolyte is very corrosive and can damage the skin: use gloves and
an apron. If it touches the skin, flush affected part with large quantity of
water. Remove contaminated clothing, after flushing begins.
(3) Electrolyte is very dangerous for eyes, use protective goggles. If the
electrolyte comes in contact with an eye, flush it with water and get medical
attention immediately.
(4) Electrolyte ingestion can cause damage to the throat and respiratory tract.
Do not try to vomit and get medical attention immediately.
(5) Skin contact with nickel can cause chronic eczema.
(6) Inhalation of cadmium oxide can cause dry throat, headaches, vomiting,
chest pain. If inhaled, move to fresh air. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen and get medical attention
immediately.
(7) Potassium hydroxide in the electrolyte can cause eczema.
24-31-05
Intro 3
Sep 6/18
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
5. Battery Ratings
A. Capacity
Nickel-cadmium batteries are rated in terms of capacity in ampere-hours (Ah)
(rated capacity).
Other definitions for battery ratings can be found in EN2570, IEC 60952, and
RTCA DO 293.
6. Recycling
All batteries eventually lose their ability to perform and are eligible for scraping and
recycling. Saft takes environmental matters seriously and advocates proper recycling of
nickel-cadmium batteries and their components. To that end, Saft operates recycling
facilities in both Europe and North America.
Nickel-cadmium batteries contain nickel, cadmium, and potassium hydroxide and should
be disposed of properly. In all cases, rely on local and national regulations for proper
battery disposal and/or shipping to an appropriate recycling location.
Verification:
24-31-07
Intro 4
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
1. Description
The Nickel Cadmium Battery provides power either to the standby system or to start the
auxiliary power unit. It is a nickel-cadmium type with sintered and plastic bonded
electrode plate construction and uses a potassium hydroxide electrolyte. The battery
consists of a case and cover, 20 cell assemblies and a harness assembly. The harness
assembly includes a thermostat mounted on a plate against the face of the end cell of
the center row of cells. A charge control thermistor is located between cells 6 and 9 in
the center row of cells.
2. Operation
The battery is charged on the aircraft by an on-board charger. The charge control
thermistor provides a signal to the charger to compensate the charge according to the
battery temperature. The thermostat will cut off the charger if the battery temperature
exceeds a safe operating limit.
24-31-07
1
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
Voltage:
Nominal 24.0 Volts
Open Circuit Voltage (Fully 26.0 Volts
charged)
Weight 43.54 kg (96 pounds) maximum
Dimensions (Maximum):
Height 289.56 mm (11.4 inches)
Length (including side brackets) 330.20 mm (13.0 inches)
Width (including handles) 279.40 mm (11.0 inches)
Cell Assembly Terminal M10 X 1.25, externally threaded
Number of Cell Assemblies 20
Cell Model Saft-Type CVH531KA
Rated Capacity (C 1 ) 53 Ampere-hours at 1-hour rate
End of Life Capacity 48 Ampere-hours at 1-hour rate (53 amps)
Maximum Consumable Water Reserve 88 cm3
Venting Pressure 0.14 to 0.7 bar (2 to 10 psi)
Cell Assembly Case Material Polyamide
Battery Case Material Stainless Steel
Electrolyte Potassium Hydroxide
Leading Particulars
Table 1
24-31-07
2
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
1. General
This section contains battery functional tests and fault isolation information. Test
procedures are written in step-by-step formats that follow the process flow outlined in
Figure 1001. Fault isolation, functional checks, and restoration information is presented
in chart form (refer to Table 1005).
NOTE: The ( ) part identification numbers herein are IPL numbers and are shown in
the Battery, Exploded View Figure 10001.
NOTE: All voltage readings are DC unless specifically otherwise stated.
24-31-07
1001
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
RECEIVED
Visual Inspection
[CHECK 2. A]
C B
FAIL
Insulation Check
< 1.55V Cell Voltage
[CHECK 2. B.]
[TESTING 3.
G. (4]
PASS
> 1.55V
Light Clean
Assembled Battery
[CLEANING 2.]
FAIL Special Testing <100% Capacity Test
[TESTING 3. J.] [TESTING 3. I.]
Charge
[TESTING 3. G.]
Return To Service
24-31-07
1002
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
3. Testing
A. Test Conditions
(1) Facilities and equipment
CAUTION: FUMES FROM LEAD ACID BATTERIES OR SMALL TRACES OF
SULFURIC ACID ENTERING A NI-CD BATTERY CAN CAUSE
PERMANENT DAMAGE.
(a) Service facilities for Ni-Cd batteries must be entirely separate from
those for lead acid batteries.
(b) Equipment used to service lead acid batteries must not be used to
maintain Ni-Cd batteries.
(2) For optimum results conduct all tests with the battery temperature at 25.0 +
10°C (77 + 18°F), unless otherwise noted in this manual.
B. Test Equipment
Refer to Special Tools, Fixtures, and Equipment, and Consumables for test
equipment recommendations.
C. Polarization Test
(1) Charge the battery at 0.1C 1 for 1.5 hours.
(2) Keep the battery in open circuit for 1 hour.
(3) Measure the open circuit voltage of each cell.
(a) If any cell is zero (0)V or negative polarity, mark for replacement any
cell(s). See Cell Replacement on page 1012 with requires
disassembly to replace marked cells.
(b) If all cells are above zero (0)V, continue with maintenance as
specified.
D. Initial Discharge
The purpose of this procedure is to discharge the battery to a known state of charge
and determine the battery capacity from the aircraft.
(1) Discharge the battery at the current rate shown in Table 1001 until the
battery reaches 20.0V.
DISCHARGE RATE MINIMUM TIME FOR DISCHARGE TO 20.0V
(AMPS)
53.0 60.0 MINUTES
Initial Discharge / Capacity Check
Table 1001
24-31-07
1003
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
NOTE: It is important that the discharge current be continually maintained
at the selected value, and that the time of discharge be measured
accurately.
(2) Monitor individual cell voltages periodically during the discharge and record
the time at which the first cell reaches 1.0V. Stop the discharge when the
battery terminal voltage reaches 20.0V and record the time.
NOTE: If a cell goes to zero volts or reverses polarity during the discharge,
short out the cell's terminals for the remainder of the discharge.
(3) If the discharge time of the first cell reaching 1.0V equals or exceeds the
value shown in Table 1001, then the battery capacity is a “PASS”. Continue
with Residual Discharge and return to Figure 1001.
(4) If the discharge time of the first cell reaching 1.0V is less than the value
shown in Table 1001, then the battery capacity is a “FAIL”. Continue with
Residual Discharge and return to Figure 1001.
E. Residual Discharge
Discharge each cell in the battery to zero volts using one of the following
procedures, Method A or Method B:
NOTE: It is not necessary to have a rest period between discharge and residual
discharge.
(1) Method A
(a) Continue to discharge the battery at C 1 rate as each cell reaches 1.0V,
connect a 1.0Ω (3.0W minimum) resistor (T03) across its terminals.
Leave the resistor in place until the cells reach 0.5V.
NOTE: Attach the resistors with alligator clips to make a firm connection.
(b) As each cell reaches 0.5V, insert a shorting clip between its terminals.
Leave these clips on for 12 to 16 hours to allow the cells to completely
discharge and the battery to cool.
(2) Method B
(a) Continue to discharge the battery at C 1 rate as each cell reaches 1.0V,
connect a 1.0Ω (3.0W minimum) resistor (T03) across its terminals.
Leave the resistors (T03) in place for 12 to 16 hours to completely
discharge the cells.
(3) At completion of Method A or B remove the shorting devices
(4) If no cell(s) are marked for replacement, then return to Figure 1001.
(5) If cell(s) were marked for replacement, then return to Cell Replacement.
24-31-07
1004
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
24-31-07
1005
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(4) During the last 30 minutes of overcharge check that the cell voltages are
within the value shown in Table 1003 (mark the cell(s) that do not comply).
See Cell Replacement on page 1012 to replace marked cell(s).
CELL VOLTAGE
Last 30 minutes at 0.1C 1 A
> 1.55V
Overcharge Voltage Limit
Table 1003
24-31-07
1006
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
WARNING: USE CARE NOT TO TILT CELLS WHILE VENT VALVES ARE
LOOSENED OR REMOVED; CONTACT OF ELECTROLYTE WITH
SKIN CAN CAUSE SEVERE BURNS.
24-31-07
1007
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(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 container for later disposal.
(e) Record the amount of water added/removed from each cell in the
battery logbook or battery test sheet.
24-31-07
1008
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(4) Monitor individual cell voltages periodically during the discharge and record
the time at which the first cell reaches 1.0V.
NOTE: If a cell goes to zero volts or reverses polarity during the discharge,
short out that cell's terminals by insert a shorting clip between its
terminals for the remainder of the discharge.
(5) If the time until the first cell reaches 1.0V equals or exceeds the values
shown in Table 1004, allow the battery to rest at least 2 hours.
J. Special Testing
These procedures are to be followed for a battery that does not meet capacity or if
the end of charge voltages are less than 1.55V during the second charge.
NOTE: It is best to assume that all the original cells are or soon will be in
unsatisfactory condition due to length of service, heat, overcharge, etc. and
Saft strongly recommends all cells should be replaced with new Saft cells if:
• three cells or more cells are replaced during the same maintenance
interval
Or
• one or more cells required replacement after five cells were replaced
over the life of the battery
The following conditions are not to be counted in determining for the above
recommendation:
- Mechanical failure such as terminal thread damage,
- Cell leakage,
- Cell short-circuit
NOTE: For a new battery or one removed from aircraft, it is recommended that if
the battery requires Special Testing more than 3 times all the cells be
replaced with new Saft cells.
NOTE: For battery from long term storage, several complete charge/discharge
cycles may be required to restore performance.
(1) The vent valve (350) should installed on top of each cell, then discharge the
battery to 20.0V at the rate listed in Table 1001.
(2) Perform the Residual Discharge on page 1004.
(3) Replace all cell(s) marked for replacement per Cell Replacement on page
1012).
(4) Loosen, but do not remove, all vent valves (350) and fully charge the battery
as outlined in Charge section.
(5) Continue to charge the battery at 0.1C 1 for an additional 2 hours. During the
last 30 minutes of this 2 hour overcharge adjust the Electrolyte Level.
(6) Monitor individual cell voltages every 15-30 minutes during the additional
overcharge and record voltage readings.
24-31-07
1009
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(7) Mark for replacement any cell(s) that do not comply with Table 1003. (See
Cell Replacement on page 1012).
(8) If no cell(s) requires replacement, then perform the Capacity Check.
NOTE: It is important the discharge current be continually maintained at
the selected value, and that the time of the discharge be measured
accurately.
NOTE: If a cell goes to zero volts or reverses polarity during the discharge,
short out that cell's terminals using shorting device for the
remainder of the discharge.
(9) If the time the first cell reaches 1.0V equals or exceeds the values shown in
Table 1004, then return to Figure 1001.
(10) If the time until all cells reaches 1.0V is less than the values shown in Table
1004, then repeat this procedure Special Test or refer to Fault Isolation.
NOTE: For new battery or battery removed from aircraft, it is
recommended that if the battery requires Special Testing more
than 3 times all the cells must be replaced with new Saft cells.
(11) In order to place a new battery or return a battery into service, it must be
allowed to cool to 22.8°C ± 5.0°C (73°F ± 9°F).
K. Harness Assembly
NOTE: A climate chamber or alternate methods may be used provided the
temperatures below are achieved.
(1) Over Temperature Thermostat
The over temperature thermostat shown in IPL Section Figure 10001 (200) is
part of connector harness assembly (190). It should be tested annually. It is
attached to the thermostat mounting plate (60). Disassembly is required in
order to test the thermostat (refer to DISASSEMBLY). Check the function of
the unit as follows:
(a) Connect an ohmmeter to auxiliary connector shown in IPL Section
Figure 10001 (240) pins 8 and 9 of the connector harness assembly
(190). Make sure the ohmmeter shows an open (≥ 20MΩ) at 22.8°C ±
5.0°C (73°F ± 9°F).
(b) Suspend the thermostat mounting plate shown in IPL Section Figure
10001 (60) with thermostat (200) in a beaker of water. Position the
thermostat a minimum of 50.8mm (2 inches) from the bottom and
25.4mm (1 inch) from the top of the water surface.
(c) Insert a thermometer, or other suitable temperature-measuring device,
in the water with the bulb adjacent to the thermostat.
24-31-07
1010
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(d) Slowly raise the water temperature to 66°C (150°F) while observing
the ohmmeter. Make sure contacts remain open (≥ 20MΩ) at
temperatures below 66°C (150°F).
(e) Continue raising the water temperature and allow to stabilize at 71°C ±
5.0°C (160°F ± 9°F). Make sure the thermostat closes (< 10Ω) at a
stabilized temperature of 71°C ± 2.8°C (160°F ± 5°F).
(f) Slowly add cool water to the beaker to reduce water temperature to
65°C ± 2.8°C (149°F ± 5°F). Make sure the thermostat opens (≥
20MΩ) within 6.1°C (11°F) of the closing temperature.
(g) If the thermostat fails to meet any of the above criteria, then replace
the complete harness assembly shown in IPL Section Figure 10001
(190).
(h) Allow the harness to cool to 22.8°C ± 5.0°C (73°F ± 9°F). Test the two
resistors in the harness assembly: Using an ohmmeter, check the
resistance between the positive lug (230) and pin 1 of the connector.
Ohmmeter reading should be 29.8KΩ (±10%). Then check the
resistance between the negative lug (220) and pin 3 of the connector.
Ohmmeter reading should be 32.4KΩ (±10%).
(2) Charge Control Thermistor
The charge control thermistor is part of the connector harness assembly
shown IPL Section Figure 10001 (190). It is permanently mounted on a
sensor plate (210). Disassembly is required to test the unit (refer to
DISASSEMBLY). Check the function of the unit as follows:
(a) Connect an ohmmeter to auxiliary connector pins 11 and 12 of the
connector harness assembly shown in IPL Section Figure 10001 (190).
Make sure the ohmmeter reads 1854Ω to 3116Ω at 22.8°C ± 5.0°C
(73°F ± 9°F).
(b) Immerse the thermistor plate in a beaker containing a mixture of ice
and water.
(c) Insert a thermometer, or other suitable temperature-measuring device,
in the container, in contact with the plate.
(d) Make sure the ohmmeter indicates 7355 ± 672Ω when the plate
temperature is 0°C ±1.7°C (32°F ± 3°F).
(e) After the low temperature test, slowly raise the temperature to 71°C ±
2.8°C (160°F ± 5°F).
(f) Make sure the ohmmeter indicates 382 ± 23Ω when the plate
temperature is 71 ± 1.7°C (160 ± 3°F).
(g) If the thermistor fails any of the above testing criteria, replace the
complete connector harness assembly (190).
24-31-07
1011
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
L. Cell Replacement
NOTE: It is best to assume that all the original cells are or soon will be in
unsatisfactory condition due to length of service, heat, overcharge, etc. and
Saft strongly recommends all cells should be replaced with new Saft cells if:
• three cells or more cells are replaced during the same maintenance
interval
Or
• one or more cells required replacement after five cells were replaced
over the life of the battery
The following conditions are not to be counted in determining for the above
recommendation:
- Mechanical failure such as terminal thread damage,
- Cell leakage,
- Cell short-circuit
(1) Discharge the battery completely by performing Residual Discharge.
(2) Remove upper cell terminal nuts (340), connector nuts (120) if required,
washers (330), washers (110) if required, and intercell connecting links (140
through 180) from the cell to be replaced.
(3) Attach cell puller tool (T04) to the cell’s terminal and remove cell from the
case using a steady upward pull.
(4) Insert a new Saft cell into the case and pushing it downward on the cell
terminals (with a small block of soft wood if necessary)
NOTE: New cell must be discharged before installation is performed.
(5) Attach intercell connecting links (140 through 180), washers (330), washers
(110) if required, upper cell terminal nuts (340), connector nuts (120) if
required, and torque nuts per Table 8001.
(6) Continue with battery maintenance as outlined in Figure 1001.
24-31-07
1012
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
4. Fault Isolation
Fault isolation information is presented in Table 1005 as a guide in locating a cause of
malfunction and isolating the cause to a specific component.
24-31-07
1013
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
TROUBLE PROBABLE CAUSE REMEDY
Overflowing electrolyte Cell reversed during high rate Check aircraft charger voltage,
discharge run electrical tests
(Testing/Capacity Test)
24-31-07
1014
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
TROUBLE PROBABLE CAUSE REMEDY
Low cell capacity Normal wear from long service Replace with new cell
Abnormally high cell voltage at Dry cell Add 5 to 10 cm3 of distilled
beginning of charge water, adjust electrolyte level
at end of charge
(Testing/Electrolyte Level))
24-31-07
1015
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
TROUBLE PROBABLE CAUSE REMEDY
Low voltage output Defective cell or cell with Replace defective cell, run
reversed polarity electrical tests
(Testing/Capacity Test)
Discharge, disassemble,
clean, replace defective cells
Cell to Case current leakage and / or insulation, run
electrical tests
(Testing/Capacity Test)
Excess foaming on charge Electrolyte concentration low Discharge, run electrical tests
after adding water (Testing/Capacity Test)
24-31-07
1016
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
24-31-07
1017 / 1018 Blank
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
DISASSEMBLY
1. General
2. Detailed Instructions
WARNING: BATTERY CELL ASSEMBLIES DELIVER VERY HIGH CURRENTS WHEN
SHORT-CIRCUITED. EXERCISE CAUTION. REMOVE RINGS, WATCHES
OR OTHER JEWELRY FROM HANDS AND ARMS.
WARNING: USE CARE NOT TO TILT BATTERY WHILE VENT VALVES ARE
LOOSENED; CONTACT OF ELECTROLYTE WITH SKIN CAN CAUSE
SEVERE BURNS.
A. Completely discharge the battery per Initial Discharge and Residual Discharge.
B. Remove cover shown in IPL Section Figure 10001 (20) by opening latches and lifting
cover from case (10 or 10A).
C. Remove the hold-down pad (30) and insulator (40).
D. Remove the cell assemblies (260) from the battery case (10 or 10A) as follows:
(1) Using the vent valve wrench (T01), loosen the vent valves shown in IPL
Section Figure 10001 (350) of all cells to relieve any pressure; then re-tighten
vent valves (use only finger pressure on wrench when installing).
(2) Remove nuts (340), (120), and washers (330) from terminals of cell
assemblies (260).
(3) Remove intercell terminal links (140) through (180) from terminals of cell
assemblies (260).
(4) Using cell puller (T04), remove cell assemblies (260) from the battery case
(10 or 10A) by tightening the cell puller (T04) to cell terminals and removing
cell with a steady straight up pull.
24-31-07
3001
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
WARNING: USE CARE NOT TO TILT CELLS WHILE VENT VALVES ARE OR
REMOVED; CONTACT OF ELECTROLYTE WITH CAN CAUSE
SEVERE BURNS.
NOTE: Prior to any disassembly of the cells, refer to CHECK and TESTING.
(1) Using the vent valve wrench (T01), loosen and remove the vent valves (350)
from the cells.
(2) Remove O-rings (360) from the vent valves (350).
NOTE: Do not attempt further disassembly of the cell subassembly. Cells are
non-repairable items and must be replaced as a unit if defective.
G. Remove the battery connector receptacle (90) from the battery case (10 or 10A) by
removing screws (100).
H. Remove connector receptacle gasket (130) from the battery case (10 or 10A).
I. Remove all spacers (50) from the battery case (10 or 10A).
24-31-07
3002
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
CLEANING
1. General
A. The following items are required to perform the cleaning procedures (equivalent
substitutes can be used):
Stiff bristled brush (nonmetallic)
Dry compressed air source, less than 20 psi (1.4 bar)
Safety goggles
Lubricant, non-acid petroleum jelly (M02)
Soft, clean cloth (two required)
Isopropyl alcohol (or non-petroleum based) degreasing agent
Running water
Soap (M03)
Distilled or de-ionized water (M01)
NOTE: The ( ) part identification numbers herein are IPL numbers and are shown in
the Battery, Exploded View Figure 10001.
2. Assembled Battery
A. The following procedures are for an assembled battery with battery cover shown in
IPL Section Figure 10001 (20), hold down pad (30), and formed insulator (40)
removed.
CAUTION: VENT VALVES MUST BE CLOSED TO PREVENT DIRT AND FOREIGN
MATTER FROM ENTERING CELLS DURING CLEANING. VENT
VALVES SHOULD BE CLOSED AT ALL TIMES (TO AVOID EXPOSURE
TO CO 2 ), EXCEPT AS DIRECTED OTHERWISE HEREIN. OVER
EXPOSURE TO CO 2 WILL AFFECT BATTERY PERFORMANCE OVER
TIME.
B. Using vent valve wrench (T01) (093365-000), make sure that the vent valves shown
in IPL Section Figure 10001 (350) of all cell assemblies (260) are closed and secure.
Do not over-tighten.
CAUTION: DO NOT USE A WIRE BRUSH TO CLEAN CELL TOPS. CELLS MAY BE
DAMAGED BY SUCH ACTION.
C. Remove white deposits (potassium carbonate) from tops of all cell assemblies (260)
using a stiff bristled nonmetallic brush.
24-31-07
4001
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
3. Disassembled Battery
A. Remove greasy residue from battery connector receptacle (90) with isopropyl alcohol
or degreasing agent.
B. After ensuring that the vent valves (350) are closed, wash each cell (260) in running
water. Do not allow any water to enter the cell. Dry with compressed air or a dry,
clean cloth.
C. Wash the battery case (20), cover insulator (40), spacers (50), gasket (130), and cell
hardware (280 through 340), and (120) in warm, soapy water (M03) to remove dirt
and salt deposits. A plastic scraper or a stiff bristled brush (nonmetallic) may be
used to aid in the removal of heavy deposits. Rinse away all soap (M03), and dry
with compressed air or a dry, clean cloth.
D. Remove the vent valves (350) from the cell subassemblies (260), and submerge
them and the O-rings (360) in a clean container of distilled or deionized water. This
treatment will dissolve any salt deposits which may have accumulated in the vents of
the valves or around the O-ring seat. Cover the cells (260) with a damp, clean cloth,
or take other precautions to prevent any foreign particles from falling into the cells
while the valves are removed.
NOTE: 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 due to CO 2 contamination.
E. After cleaning, test the vent valve assemblies (350) to ensure they operate within the
correct pressure range in accordance with Vent Valve Tests on page 1005.
24-31-07
4002
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
CHECK
1. General
This section contains battery functional checks information. Check procedures are written
in step-by-step formats that follow the process flow outlined in Figure 1001. A request for
overhaul or restoration should follow this same procedure
NOTE: All voltage readings are DC unless specifically otherwise stated.
2. Assembled Battery
The following procedure are for an assembled battery with battery cover shown in IPL
Section Figure 10001 (20), hold-down pad (30), and formed insulator (40) removed.
A. Visually Inspection
(1) inspect battery for evidence of damage or electrolyte leakage. If damage to
any part is visible, refer to TESTING AND FAULT ISOLATION for applicable
procedures.
(2) Check all ventilation openings to make sure that they are clean and clear.
(3) Inspect the connector receptacle (90) pins for condition; replace the
connector receptacle if the pins show any trace of arcing or excessive
oxidization.
B. Battery Insulation
NOTE: A breakdown in electrical insulation between the cells and the battery case
will result in a "leakage" current, which, over a period of time, can
discharge the battery.
NOTE: Method A or B may be used to check with insulation breakdown.
(1) Method A
(a) Set up the multi-meter (volt, ohm, amp) and meter leads for a
measurement of 250mA.
(b) Connect the negative lead from the meter to the battery container.
(c) Touch the positive lead from the meter to the positive terminal of the
battery and then to the positive terminal of each cell.
(d) If, while performing the above, there is a reading other than zero, the
insulation should be considered defective. Disassemble and clean the
battery (see DISASSEMBLY and CLEANING).
(e) If, after cleaning the battery and assuring that everything is dry, a
leakage current is still indicated by a deflection of the needle, one or
more cells is defective. Isolate and replace the defective cell(s) (see
TESTING AND FAULT ISOLATION).
24-31-07
5001
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(2) Method B
(a) On a completely reassembling the battery, measure the insulation
resistance between the block of cells and the metal box. The value
measured must be at least 10MΩ under a 250V continuous using a
megohmmeter.
(b) If, while performing the above, there the reading does not meet the
above criteria, the insulation should be considered defective.
Disassemble and clean the battery (see DISASSEMBLY and
CLEANING).
(c) If, after cleaning the battery and assuring that everything is dry, the
resistance is still less than 10MΩ, one or more cells is defective.
Isolate and replace the defective cell(s) (see TESTING AND FAULT
ISOLATION).
C. Check that the torque on each upper terminal nut (340) & (120) is 13 ± 1 Nm (115 ±
9 lb-in) (refer to the Table 8001).
D. Battery Voltage
Measure the voltage at the Main Connector. If the voltage is <21.0V then perform
Polarization Test.
E. Harness Assembly
NOTE: A climate chamber or alternate methods may be used provided the
temperatures below are achieved.
NOTE: This harness assembly check may be substituted with the paragraph
Harness Assembly testing contained in TESTING and ISOLATION
section.
If any part of the harness assembly shown in IPL Section Figure 10001 (190) is
damaged, the entire assembly must be replaced (see CHECK and TESTING AND
FAULT ISOLATION).
(1) Ensure that the internal battery temperature is at 22.8°C ± 5.0°C (73°F ±
9°F). Connect an ohmmeter to auxiliary connector shown in IPL Section
Figure 10001 (240) pins 8 and 9 of the connector harness assembly (190).
Make sure the ohmmeter shows an open (≥ 20MΩ) at 22.8°C ± 5.0°C (73°F ±
9°F). An erratic reading represents a failure.
(2) Test the two resistors in the harness assembly: Using an ohmmeter, check
the resistance between the positive lug (230) and pin 1 of the connector.
Ohmmeter reading should be 29.8KΩ (±10%). An erratic reading represents
a failure.
(3) Check the resistance between the negative lug (220) and pin 3 of the
connector. Ohmmeter reading should be 32.4KΩ (±10%). An erratic reading
represents a failure.
24-31-07
5002
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(4) Connect an ohmmeter to auxiliary connector pins 11 and 12 of the connector
harness assembly shown in IPL Section Figure 10001 (190). Make sure the
ohmmeter reads 1854Ω to 3116Ω at 22.8°C ± 5.0°C (73°F ± 9°F). An erratic
reading represents a failure.
3. Disassembled Battery
A. Visually check each cell carefully for evidence of electrolyte leakage, cracks,
corrosion, burns, holes, or cross-threaded terminals. Excessive salt around a
terminal post indicates leakage. Refer to Cell Hardware on page 5004 for
replacement of lower terminal O-ring (270) if leakage is evident.
B. Visually check each cell vent valve assembly shown in IPL Section Figure 10001
(350) for defective O-rings, cracks, or other physical damage. Replace defective O-
rings (360). Suspect vent valves should be tested before being discarded in
accordance with Vent Valve Tests on page 1005.
C. Inspect intercell terminal links (140 through 180) for bends, tarnish, loss of nickel
plating, corrosion, or burns. Tarnish can be polished off with a fine wire brush.
Replace any defective intercell links.
D. Spaces (50) should be clean and free of cracks or holes. Replace any that are
defective.
CAUTION: A DEFECTIVE BATTERY CONNECTOR RECEPTACLE CAN CAUSE
DANGEROUS OVERHEATING.
NOTE: A defective battery connector receptacle can cause battery discharge, as well
as in service low voltage.
E. Check the battery connector receptacle (90) for evidence of arching, corrosion,
cracks, or cross threaded terminals. Using the same methods in Battery Insulation
check on page 5001, check the insulation between the positive pin and the
connector shell and the negative pin and connector shell. Discard any receptacle
that is found to have any of the above noted damage or fails the insulation test.
Replace with factory new.
F. Visually check the harness assembly (190) as follows:
(1) Inspect electrical connector for bent or loose pins, corrosion, cracks, faulty
wire connections, and evidence of arcing. Any evidence of the above
conditions, however minor, is grounds for rejection. Discard the damaged
unit and replace with factory new.
(2) Inspect charge control thermistor and thermostat for damage, loose or
broken wire connections, cracks, dents, or other physical defects. Any
evidence of the above conditions, however minor, is grounds for rejection.
Discard the damaged unit and replace with factory new.
24-31-07
5003
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(3) Visually check all wiring damage to insulation, cracked or broken wire, and
other physical defects. Any evidence of the above conditions, however minor,
is grounds for rejection. Discard the damaged unit and replace with factory
new.
NOTE: Harness assembly (190) is a non-repairable item and should be
discarded if defective.
G. Cell Hardware
Check all small hardware items for damage.
(1) Replacement of cell hardware is limited to 280, 290, 300 or 310, 320, 330,
340, and the lower terminal O-ring (270) requires replacement, the cell
assembly (2) is limited to replacement of defective hardware. Defect of the
cell itself requires cell replacement. To replace a defective terminal O-ring:
(a) Remove lower terminal nut (320), the polarity washer (300 or 310), the
Belleville washers (290) and terminal O-ring (270) being careful to
prevent anything from falling into the cell opening.
(b) Replace O-ring (270), install washer (280), the 2 belleville washers
(290), the polarity washer (300 or 310) and torque lower terminal nut
(320) per Table 8001.
H. Check battery cover (20) and battery case (10 or 10A) for damage.
When necessary, remove minor dents in the battery cover (20) and battery case (10
or 10A) using a hard rubber mallet. Polish out minor pits or scratches using a fine
grain abrasive porous cloth.
24-31-07
5004
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
ASSEMBLY
1. General
This section contains assembly instructions necessary after disassembly.
2. Harness assembly
A. Insert the harness assembly (190) connector into its mounting hole on the case (10
or 10A) and reinstall the connector mounting screws (250) and nuts (80) by
torqueing to 0.6 ± 0.06 Nm (5.2 ± 0.5 lb-in) (refer to the Table 8001).
B. Insert the thermostat liner (70) and thermostat liner assembly on the inside face of
the center partition, taking care to align the holes in the liner with the hole in the
partition.
C. Insert the thermostat plate (60) in back of spacer assembly so that the spacer
assembly is between the thermostat plate (60) and the thermostat liner (70), which is
against the partition.
D. Pass the thermostat-end of harness assembly (190) through the hole in the partition,
liner, and spacer assembly.
E. Attach the thermostat to the thermostat plate (60) with thermostat mounting nuts
(80). Torque to 0.6 ± 0.06 Nm (5.2 ± 0.5 lb-in) (refer to the Table 8001).
24-31-07
7001
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
Max. Unit
Item Description Dimension [in]
Per Assembly
A SPACER ASSEMBLY 9.86 x 2.95 1
B SPACER 9.52 x 10.72 x 0.032 1
C SPACER 2.953 x 10.373 x 0.062 13
D SPACER 9.108 x 9.861 x 0.032 2
E SPACER 10.629 x 10.373 x 0.032 2
F SPACER 2.953 x 10.373 x 0.032 6
G SPACER 10.629 x 9.861 x 0.020 2
H SPACER 2.953 x 10.373 x 0.020 3
Cell and Spacer Installation
Figure 7001
(1) Install spacers in place on inside of cell partition, as shown in Figure 7001.
(2) Apply a small amount of non-acid petroleum jelly (M02) to the threads of the
cell terminals.
(3) Install side and end spacers into the center partition of battery case (see
Figure 7001).
24-31-07
7002
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(4) Install five cell subassemblies (260) into positions 4, 5, 6, 9, and 10 in the
center partition of battery case (10 or 10A). Be sure to maintain the proper
cell arrangement and polarity orientation (see Figure 7002). Install the
charge control thermistor plate between cells 6 and 9, as shown in Figure
7002.
(5) Install a cell assembly (260) into positions 13 in the center partition of the
battery case. Insertion of the last cells is sometimes difficult and may be
assisted by pushing down on the terminals with a small block of soft wood.
NOTE: Spacers (50) are used as required to ensure the center row cells
are retained securely in place to prevent free movement of the
cells. As indicated in Figure 7001, the maximum quantity to be
used is as shown.
C. Install the left and right side row of cells and spacers in accordance with the
following steps, and as shown (see Figure 7001).
(1) Install spacers into the battery case (10 or 10A) as shown in Figure 7001.
(2) Install the left and right end spacers into the battery case (10 or 10A), as
shown in Figure 7001.
(3) Install six cell assemblies (260) in the left hand side of the battery case, be
sure to maintain the proper cell arrangement and polarity orientation (see
Figure 7002).
24-31-07
7003
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(4) Install the remaining row cell assemblies (260) into the battery case. Be sure
to maintain the proper cell arrangement and polarity orientation (see Figure
7002). Insertion of the last cell on each side is sometimes difficult and can
be assisted by pushing down on the terminals with a small block of soft wood.
NOTE: Spacers are used as required to ensure the left and right hand row
of cells are retained securely in place to prevent free movement of
the cells. The maximum quantity to be used is shown in Figure
7001.
(5) Torque the lower terminals nuts (320) of the cell assemblies (260) to 5 ± 0.5
Nm (44 ± 4.4 lb-in) (refer to the Table 8001).
5. Complete Battery
A. Install intercell terminal links (140 through 180) on the terminals of the cell sub-
assemblies (260) and battery connector receptacle (90) as shown in Figure 7002.
B. Install the two wire lead/lug assemblies of the harness assembly (190) on the
terminal posts of the cell sub-assemblies (260) as shown in Figure 7001.
C. Install nuts (340) & (120) and washers (330) & (110) onto the terminals of the cell
assemblies (260) and terminals of the receptacle adapter. Torque nuts (340) &
(120) to 13 ±1 Nm (115 ± 9 lb-in) (refer to the Table 8001).
24-31-07
7004
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
1. Torque Table
24-31-07
8001 / 8002 Blank
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
SPECIAL TOOLS, FIXTURES, EQUIPMENT, AND CONSUMABLES
1. Special Tools
NOTE: A special tool kit (P/N 416161) is available from Saft containing special tools T01,
T02, T03, and T04. The tools are housed in a polypropylene box and each tool is
insulated to ensure optimum safety for the technician.
(1) The syringe (T02) is used in the electrolyte level adjustment and the cell
puller (T04) is used in cell removal.
Item DESCRIPTION V09052 F6177
P/N P/N
T01 Universal vent wrench 093365-000 413876
T02 Syringe assembly (with nozzle 20 mm (0.79 in)) 020916-001 416232
T03 1 Ω 3 W equalizing resistors - 164829
T04 Universal cell extraction tool or M10x1.25 tool 017556-000 416159
T05 Vent Valve adapter for MS valves 024398-000 -
Special Tools
Table 9001
2. Standard Tools
24-31-07
9001
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
3. Consumables
NOTE: Equivalent alternatives can be used for list items.
This paragraph describes the consumables used in the CMM.
Mineral Vaseline
Neutral petroleum jelly
NATO: S 743
Density @ 60°C (140°F) Range = 0.840 - 0.866 Kg/L
M02 F: AIR 3565
Melting Point Range = 46°C - 52°C (115°F - 126°F)
US: VV-P-236/A
Acidity/Alkalinity = Neutral to Litmus
UK: DEF 2333
24-31-07
9002
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
1. Introduction
A. Purpose
(1) This section provides illustrations and parts breakdown of the 539CH-1 and
5319CH1 batteries, which can be disassembled, replaced, and reassembled.
B. Explanation and Usage of Section
(1) Assembly Order Indenture System
The Indenture System used in the parts list shows the relationship of one part
to another. For a given item, the number of indentures depicts the
relationship of the item to the associated next higher assembly.
(2) Effectively Code
Reference letters (A, B, C, etc.) are assigned 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 letter is shown for detail parts and subassemblies
used on all top assemblies.
(3) Quantity Per Assembly
The UNITS PER ASSY column shows the total number of units required per
assembly, per subassembly, and per sub-subassembly as applicable. The
letters REF indicate the item is listed for reference purposes.
(4) Parts Replacement Data
Interchangeability information will be provided in a future manual revision if it
becomes applicable.
(5) Service Bulletin Incorporation
Service Bulletin incorporation information applicable to the parts list will be
provided in a future manual revision if it becomes applicable.
(6) Items Not Illustrated
Items not illustrated are indicated by a dash ( - ) ahead of the item numbers
in the Fig. and Index column.
24-31-07
10001
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
(7) Alpha Variant Item Numbers
(a) Alpha variants A - Z (except I and O) are assigned to existing item
numbers when necessary to show:
1. Added items
2. Service Bulletin modifications
3. Configuration 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 item is the same as
the basic item.
(8) Vendors
The vendor of all parts shown in the parts list is as follows:
24-31-07
10002
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
24-31-07
10003
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
20
30
40
260
60
70 50
80
120
110 10 or 10A
100
90
130
Battery, Exploded View
Figure 10001 (Sheet 1 of 4)
24-31-07
10004
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
140
180
160
150
24-31-07
10005
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
230
220 210
240
250
200
190
24-31-07
10006
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
340
330
320
350
300 or 310
360 290
280
270
260
24-31-07
10007
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
3. Item Numeric Index
Nomenclature Units
Fig Index Part 1234567 Use Unit Per
Number ....... Code Assy
1 1 024147-000 BATTERY, 539CH-1 (09052) RF
BA35-01 (V08748)
1A 025920-000 BATTERY, 5319CH1 (09052) A RF
BA35-02 (V08748)
10 024190-000 . Case, Marked EA 1
10A 025902-000 . Case, Marked A EA 1
20 018552-003 . Cover EA 1
30 024142-000 . Pad, Hold Down EA 1
40 018559-000 . Insulator, Formed Top EA 1
50 018951-000 . Kit, Spacer EA 1
60 018737-000 . Plate, Thermostat Mounting EA 1
70 018733-000 . Liner, Thermostat Mounting EA 1
80 090064-000 . Nut, Aux. Connector Mounting EA 6
90 022078-000 . Connector, Adapter, Terminal EA 1
100 093616-000 . Screw, Sems EA 4
110 022228-000 . Washer, Belleville EA 2
120 015579-000 . Nut, Hex, M10x1.25 EA 2
130 009384-000 . Gasket, Connector EA 1
140 015575-000 . Link, Intercell - 0.125 X 0.750 X 1.334 EA 5
150 026705-000 . Link, Intercell - 0.125 X 0.750 X 1.516 EA 2
REPLS 015577-000
160 018567-000 . Link, Intercell - 0.125 X 0.750 X 1.476 EA 10
170 018568-000 . Link, Intercell - 0.125 X 0.750 X 2.023 EA 1
180 018569-000 . Link, Intercell - 0.118 X 0.668 X 2.331 EA 3
190 024314-000 . Connector Harness Assy EA 1
200 N/A . . Thermostat, Temperature Sensing
210 N/A . . Thermistor/Plate Assy
220 N/A . . Terminal Lug, Negative
230 N/A . . Terminal Lug, Positive
240 N/A . . Connector, Auxiliary
250 092178-008 . . Screw, Connector Mounting EA 4
260 024257-000 . Cell, CVH531KA (with hardware) EA 20
270 091181-002 . . O-Ring EA 2
280 021870-000 . . Washer, Flat EA 2
290 021871-000 . . Washer, Belleville EA 4
300 023388-001 . . Washer, Polarity, Red (+) EA 1
310 023388-002 . . Washer, Polarity, Blue (-) EA 1
320 015579-000 . . Nut, Hex, M10x1.25 EA 2
330 022228-000 . . Washer, Belleville EA 2
340 015579-000 . . Nut, Hex, M10x1.25 EA 2
350 023619-000 . . Valve, Vent EA 1
360 012536-002 . . . O-Ring EA 1
N/A – Not available separately
24-31-07
10008
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
1. Introduction
NOTE: For more storage information, refer to latest revision of Saft Technical Note TN01.
Contact Saft for the latest copy of this document.
A. Storage preparation and packaging makes sure that the equipment is protected
against any attack by atmospheric agents.
B. For a battery which has been cleaned and serviced and is not directly put into
service on board an aircraft, different methods can be recommended depending on
the purpose and the environment conditions of the "storage".
C. Keep the batteries and spares in a dry and clean room.
D. The recommended temperature range is + 20°C ± 15°C (68°F ± 27°F). However,
occasional excursion into the range of -55°C to +60°C (-67°F to +140°F) is
permitted.
24-31-07
15001
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
A. The battery is charged after being serviced then stored fully charged in a dedicated
room in such a way that it can be installed in the aircraft without further check. The
battery may be kept in stand-by for the period corresponding to 80% available
capacity on Figure 15001 (for example 24 days at 30°C) with a maximum of 90 days.
Charge Retention
Figure 15001
24-31-07
15002
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
B. Topping or Refresh Charge
(1) The stand-by period defined in para. Inactive Stand-by Storage can be
prolonged by applying a ’topping’ or ’refresh’ charge, at the end of the period.
The charge is defined as a short charge at 0.1 C 1 A, 0.5 C 1 A or 1 C 1 A until
the voltage reaches the values given in the table below (Table 15001).
Charge Voltage
Rate
(End of “Refresh” Charge
0.1C 1 A 30.0V for 20 Cells
0.5C 1 A 31.0V for 20 Cells
1.0C 1 A 31.4V for 20 Cells
Topping or Refresh Charge
Table 15001
(2) The battery can be “Topped or Refreshed” up to two (2) times (for example
24 days at +30°C can be prolonged to 72 days at +30°C).
24-31-07
15003
Apr 23/19
COMPONENT MAINTENANCE MANUAL
539CH-1 and 5319CH1
A. The operator must adjust the electrolyte level before placing the battery onboard the
aircraft. Otherwise the risk of a battery incident exists (cells dried out before the
normal end of the interval maintenance). This could create conditions for a thermal
runaway with all its consequence.
6. Transportation procedure
The battery is normally discharged before packing. If it is necessary to transport a charged
battery, make sure that the output terminals are protected against short circuit.
The battery should then be packed vertically in its original container. If the original container
is not available, the international and/or local packaging regulations applicable to the mode
of transport and destination must be followed.
According to the IATA / IMDG dangerous goods regulations, Saft ships all existing nickel-
cadmium batteries or cells for aircraft under the classification UN2795 (wet, filled with alkali)
according to packing instruction 800.
24-31-07
15004
Apr 23/19