Visual check
Be sure to check the external condition, conclusions and reliability of fastening of the battery before measurements.
CAUTION: If the battery is not secured properly, it may be damaged. Shaking shortens battery life. There is a possibility of damage to the lattice plates. In addition, the mounting bracket may damage the battery case. Check the battery for secure fastening, if necessary, tighten the fixing bolt to the proper torque.
Battery check with indicator
The indicator signals the level of electrolyte and the degree of charge of the battery.
Batteries with indicator are available in two versions.
- map serviced;
- unattended.
NOTE: Since the indicator is in only one bank, its readings are only for that bank. An accurate assessment of the degree of battery discharge is possible only by testing under load.
NOTE: Especially after the battery has been charged, and also when the battery has been charged while the vehicle is moving, air bubbles may form under the indicator. They lead to a distortion of the color readings of the indicator.
The indicator can be located in various places on the battery.
Three different color indications are possible.
«Green» - The battery has sufficient charge.
«Black» - Battery partially discharged, charge level <65% or discharged.
Colorless or yellow - the battery needs to be replaced.
Checking low-maintenance batteries
This battery is «low-maintenance», that is, it is required to check the electrolyte level and, if necessary, top up with distilled water.
Checking the electrolyte level
Check the electrolyte level at the min/max marks on the battery case (pic. 7.1).
The electrolyte level is normal, it coincides with the max.
If the electrolyte level is below the mark, add distilled water.
Checking the electrolyte level in banks
Switch off the ignition and all electrical consumers.
If available, remove the protective film from the corks of the cans.
Unscrew the stoppers of the jars.
Check the electrolyte level in the battery banks.
The level is normal if it is at the level of the plastic jumper (pic. 7.2).
NOTE: The plastic jumper corresponds to the maximum mark.
If the electrolyte level is normal, check the plugs and O-rings for damage.
Replace damaged parts. Close the jars with corks.
If the electrolyte level is below the maximum mark, add distilled water.
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