Komatsu — PRECAUTIONS FOR INSPECTION AND MAINTENANCE

. SAFETY PRECAUTIONS FOR MAINTENANCE PRECAUTIONS FOR INSPECTION AND MAINTENANCE 2 - 35 PRECAUTIONS WHEN WELDIN G Welding operations must al ways be carried out by a qualifie d welde r and in a place equip ped with proper equipment. There is a hazard of gas, fir e, or electrocution when carryin g out welding, so never allo w any unqualified personne to carry out welding. HANDLING BATTERY ng the battery, turn the key in the starting switch to the OFF position. Before inspecting or handli ng the battery, turn the key in th e starting switch to the OFF When installing the optio nal battery disconnector switch, turn the battery disconnecto r switch to the OFF position.

For details, see "HANDL ING BATTERY DISCONNECT OR SWITCH (PAGE 6-9)". Danger of battery exploding When the battery is bein generated and may expl includes dilute sulphuric cause serious personal observe the following. Do not use or charge below the LOWER LE Always carry out perio level, and add distill battery filler solution) Do not smoke or brin Hydrogen gas is ge charged, so remove t a well-ventilated plac out the charging. After charging, tighten When the battery is bein g charged, flammable hydrogen gas is generated and may expl ode. In addition, the battery ele ctrolyte includes dilute sulphuric cause serious personal acid.

Any mistake in handling may injury, explosion, or fire, so always the battery if the battery electrolyte is g may always observe the following. Do not use or charge VEL mark. This will cause exp losion. dic inspection of the battery ele ctrolyte ed water (or commercially av to the UPPER LEVEL mark. ailable . being Do not smoke or brin g any flame close to the battery Hydrogen gas is ge nerated when the battery is he battery from the machine, ta ke it to e, remove the battery caps, then carry the battery caps securely.

n carry After charging, tighten Danger from dilute sulphuri c acid When the battery is bein generated and may expl includes dilute sulphuric cause serious personal observe the following. When handling the b and rubber gloves. If battery electrolyte g your eyes with large a medical attention imm If battery electrolyte g immediately with larg When the battery is bein g charged, flammable hydrogen gas is generated and may expl includes dilute sulphuric cause serious personal ode. In addition, the battery electrolyte acid.

Any mistake in handling may injury, explosion, or fire, so always attery, always wear protective goggles ets into your eyes, immediately wash ctrolyte g may always mounts of fresh water. After th at, get ediately. If battery electrolyte g ets on your clothes or skin, wa sh it off e amounts of water. Removing battery cables trical system or carrying out electrical welding, turn the starting switch OFF. Wait for move the negative (-) battery cable to stop the flow of electricity. ed with a battery disconnector switch, set the battery disconnector switch to the OFF DLING BATTERY DISCONNECTOR SWITCH (PAGE 6-9)". Before repairing the elec approx. 1 minute, then re For machines equipp position.

For details, see "HAN Before repairing the elec ectrical approx. 1 minute, then re move the negative (-) battery c able to stop the flow of elec switch,