ELECTRICAL SYSTEM 9-41 NOTE: If no air bubbles are coming up from a filler port, tap the bottom of the electrolyte container two or three times. Never remove the container from the battery. • After confirming that the electrolyte has entered the battery completely, remove the electrolyte containers from the bat- tery. Wait for about 20 minutes. • Insert the caps 6 into the filler holes, pressing in firmly so that the top of the caps do not protrude above the upper surface of the battery’s top cover.  * Never use anything except the specified battery. * Once the caps have been installed to the battery, do not remove the caps. * Do not tap the caps with a tool such as hammer when installing them. E L P M A S CORRECT INCORRECT For initial charging, use the charger specially designed for MF battery.  * For charging the battery, make sure to use the charger specially designed for MF battery. Other- wise, the battery may be overcharged resulting in shortened service life. * Do not remove the cap during charging. * Position the battery with the cap facing upward during charging.