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Task 5.2 - Preparation for long term storage
OPERATING INSTRUCTION AND TECHNICAL REQUIREMENTS (TR) INSTRUCTIONS / EVIDENCE WHEN DEVIATIONS FROM TR
1. Carry out the scheduled maintenance procedure on the battery in
accordance with Task 7.3.
2. Discharge the battery to an average of 1V per cell using current
rates between I
1
and 0.1*I
1
.
3. Store the battery in a well-ventilated or air-conditioned room at
temperatures between 10°C and 35 °C and at relative humidity
between 45% and 75% up-to a maximum of 5 years.
Task 5.3 – Commissioning of prolonged stored batteries
OPERATING INSTRUCTION AND TECHNICAL REQUIREMENTS (TR) INSTRUCTIONS / EVIDENCE WHEN DEVIATIONS FROM TR
1. Remove the lid from the battery case.
2. Remove the caps from the main connector pins using
insulated tools.
ATTENTION:
• Do not top up the discharged cells at this stage
• Undo the vents and keep them aside on the cells mouth.
ATTENTION:
• Do not use mercury thermometer
• Place none-insulated thermocouple probes between the cells.
3. Install a thermometer or suitable insulated temperature probe
in a cell placed at the centre of the battery. Install non-insulated
temperature probe between the cells.
4. Connect the battery to the charge / discharge unit.
5. Charge the battery for 8 hours at 0.2*I
1
as shown in
Appendix 3 (commissioning charge).
If necessary, adjust the electrolyte level of the cells prior to
the end of charge.
Figure 3: adjusting electrolyte level
CAUTION
Always wear protective goggles
and gloves when working on the
battery
ATTENTION
For adjusting the electrolyte
level use distilled water
The document reference is online, please check the correspondence between the online documentation and the printed version.
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