Battery
© BT 237077-040
65
Each month:
• Measure the temperature in one of the centre cells immedi-
ately after charging. The temperature should not exceed
50 °C.
• Measure the density of the battery fluid using an acid tester.
Hold the acid tester absolutely vertical and extract sufficient
fluid so that the hydrometer float moves freely.
Correct density values at different fluid temperatures for a fully
charged battery:
Temperature °C Density g/cm
3
-15 1.31
0 1.30
+15 1.29
+30 1.28
+45 1.27
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