5.0 Storage Tasks airworthy batteries 18
5.1 Short-term storage of charged batteries 18
5.2 Long-term storage (up-to 5 years) of
discharged batteries 18
Task 5.1 Storage of maintained
(overhauled) charged batteries
up to 3 month 18
Task 5.2 Preparation for long-term
storage 19
Task 5. 3 Commissioning of prolonged
stored batteries 19
6.0 Transportation of batteries 22
Task 6.1: Shipment of batteries 22
7.0 Maintenance Tasks 23
Task 7.1: Monthly on aircraft check 23
Task 7.2: Quarterly maintenance
of airborne batteries 23
Task 7.3: Annual maintenance
of airborne batteries 26
8.0 Sub Tasks for Maintenance /
Commissioning procedures 30
Task 8.1 Reconditioning of cells
underperforming Discharge
requirements 30
Task 8.2 Check and adjust the torque
of the lower pole nuts 31
Task 8.3 Insulation resistance
measurement 32
Task 8.4 Check of electrolyte density 32
Task 8.5 Testing vents response
pressure after cleaning 33
Task 8.6 Battery cleaning procedure
of any disassembled battery
component 33
Task 8.7 Functional Test on
thermostats /
thermistors and temperature
switch assemblies 34
9.0 Fault finding ( for unscheduled
maintenance) 36
10.0 Unscheduled Maintenance - Repair 37
& Replacement – Overhaul Task
Task 10.1 Inspection and diagnostic 37
Task 10.2 Replacement of upper
pole nuts, spring washers
and links 39
Task 10.3 Replacement of lower pole
nuts, sealing caps and seals 40
Task 10.4 Replacement of the
Thermostat Switch Assembly 41
Task 10.5 Replacement of the Main
Battery Connector 41
Task 10.6 Replacement of the Battery
Case and or Battery Lid 42
Task 10.7 Replacement of Cell(s) 43
Task 10.8 Replacement of insulating
material (=liners / empty
containers ) 43
Task 10.9 Commissioning of repaired
batteries 44
Appendix 1:
IUI charge 45
Appendix 2:
Constant Current Charge 45
Appendix 3:
II-Charge 46
Appendix 4:
thermostats in temperature switch
harnesses 47
Appendix 5:
Recommended Tools and Consumables
for battery maintenance 48
Appendix 6:
Consumable for maintenance 49
Appendix 7:
Disposal of Airborne batteries 49
4
The document reference is online, please check the correspondence between the online documentation and the printed version.
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