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CHECKING ELECTROLYTE LEVEL Nissan Murano Z51 facelift

Power Supply, Ground & Circuit Elements (Crosscabriolet) 3 illustrations ~157 words

CHECKING ELECTROLYTE LEVEL

WARNINGNever allow battery fluid to come in contact with skin, eyes, fabrics, or painted surfaces. After touching a battery, never touch or rub your eyes until you have thoroughly washed your hands. If acid contacts eyes, skin or clothing, immediately flush with water for 15 minutes and seek medical attention. Failure to do this may cause personal injury or damage to clothing or the painted surfaces.

Scheme 315

Scheme 315
Scheme 315
  1. Remove the cell plug using a suitable tool.
  2. Add distilled water up to the MAX level.

Sulphation

A battery will be completely discharged if it is left unattended for a long time and the specific gravity will become less than 1.100. This may result in sulphation on the cell plates.

To determine if a battery has been "sulphated", note its voltage and current when charging it. As shown in the figure, less current and higher voltage are observed in the initial stage of charging sulphated batteries.

A sulphated battery may sometimes be brought back into service by means of a long, slow charge, 12 hours or more, followed by a battery capacity test.

Scheme 316

Scheme 316
Scheme 316

Scheme 317

Scheme 317: SPECIFIC GRAVITY CHECK
Scheme 317: SPECIFIC GRAVITY CHECK
  1. Read hydrometer and thermometer indications at eye level.
  2. Use the chart below to correct your hydrometer reading according to electrolyte temperature.

Hydrometer Temperature Correction

Battery electrolyte temperature [°C (°F)]Add to specific gravity reading
71 (160)0.032
66 (150)0.028
60 (140)0.024
54 (130)0.020
49 (120)0.016
43 (110)0.012
38 (100)0.008
32 (90)0.004
27 (80)0
21 (70)0.004
16 (60)0.008
10 (50)0.012
4 (40)0.016
1 (30)0.020
7 (20)0.024
12 (10)0.028
18 (0)0.032

HYDROMETER TEMPERATURE REFERENCE CHART

Corrected specific gravityApproximate charge condition
1.260 - 1.280Fully charged
1.230 - 1.2503/4 charged
1.200 - 1.2201/2 charged
1.170 - 1.1901/4 charged
1.140 - 1.160Almost discharged
1.110 - 1.130Completely discharged

CHARGE CONDITION REFERENCE CHART