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Task 10.7 – Replacement of Cell(s)
OPERATING INSTRUCTION AND TECHNICAL REQUIREMENTS (TR) INSTRUCTIONS / EVIDENCE WHEN DEVIATIONS FROM TR
ATTENTION:
• Spare parts used for any repair listed below have to comply with
the IPL
• Before disassembly, discharge the battery with 0.2*I
1
to 0.5 V per
cell
• If six cells in a 24V battery have been replaced from the original
set, replace all cells
•
If there is evidence of thermal damage, remove all cells and inspect.
1. Remove the necessary parts in order to remove defective cell(s)
2. Pull out the cell using cell puller. (see Appendix 5, item 12)
3. Dispose replaced cell(s) in accordance with local regulations
4. Fit new discharged replacement cell(s) into the block of cells
5. Refit harness if any, links, washers and upper pole nuts
6. Tighten the upper pole nuts with the torque as detailed in
section 1.6.2, table 1
7. Record the action and the Serial-no. of the new installed cells
in the log book.
Task 10.8 – Replacement of insulating material (=liners / empty containers )
OPERATING INSTRUCTION AND TECHNICAL REQUIREMENTS (TR) INSTRUCTIONS / EVIDENCE WHEN DEVIATIONS FROM TR
ATTENTION
• Any spare parts used for repair listed below must comply with
the IPL
• Due to tolerances in cell thicknesses the amount of plastic liners
can deviate from the drawing in the IPL. The cells, reassembled
together with new liners and empty containers shall be packed
sufficiently to ensure there is no movement of cells within the
battery box
• Before disassembly, discharge the battery with 0.2*I
1
to 0.5 V
per cell.
1. Undo and remove all upper pole nuts on the cells
2.
Remove spring washers, intercell links and switch assembly, (if any)
3. Remove cells, (noting position) and the insulating material from
the battery case.
4. Install new insulating material and reassemble the battery whilst
keeping cells in their original position
5. Refit the intercell links, washers, switch assemblies (if any), and
nuts in accordance with the corresponding IPL
6. Tighten the upper pole nuts with the torque as detailed in section
1.6.2, table 1.
The document reference is online, please check the correspondence between the online documentation and the printed version.
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