. SAFETY PRECAUTIONS FOR OPERATION BATTERY immediately flush the immediately with large 2 - 25 BATTERY HAZARD PREVEN TION sulphuric acid, and batteries generate flammable hydrogen gas, which may explode. Battery el ectrolyte contains Mistaken handling can lead to serious injury or fire. For thi s reason, always observe th e following precautions. When th e battery electrol yte is below LOW ER LEVEL, d on't either use or charge the battery. Otherwise, that may cause e xplosion. Always carry out periodic check s of the battery electrolyte, and add distilled water up to UPPER LEVEL. For the method of checki ng the battery ele ctrolyte , see " CHECK LEVEL OF BATTE RY ELECTROLYTE (PAGE 4-50)".
When w orking with batter ies, always wear safety glasse Never s moke or use any flame near the ba If you s pill acid on your area wit h large amount of If acid amount gets into your eye of water and see s, flush them im k medical attentio Before working with batte ries, turn the star ting switch to As there is a hazard that sp arks will be generated, always do as follows. Do not l et tools or other m etal objects make any contact b etween the battery terminal s. Do not leave tools or other metal o bjects lying aroun d near the battery .
al (ground side) first when removing the battery; when installing the Always disconnect the n egative (-) termin battery, connect the positi ve (+) terminal fir st, and conne ct the ground last. Tighten th e battery terminals securely. Tighten the battery termin als securely. Flamma ble hydrogen gas is generated whe n the b attery is charged, so remove the b attery from the chassis, take it to a w ell-ventilated plac e, and remove th e battery cap Tighten the battery caps Install t he battery securel y to the determin