-20-Be sure to provide an appropriate support so that themachine will be secured completely when the machine is tobe lifted during operation.12-1. Precautions as to maintenance12. Precautions as to maintenance12-2. Prevention of damage due to high-pressure oilThe high-pressure oil, when sprayed over the skin, will cause serious injury.Release the pressure before removing the high-pressure line, hose, and joints.Check the tightness of all joints before starting operation.Use a small piece of cardboard to check for leakage. When your skin is sprayedwith high-pressure oil, you must see a doctor within two to three hours.12-3. (JIS No.2 diesel oil)Precautions as to fuel handlingUse of fire is prohibited strictly during fuel supply.Put out all open fire and cigarettes.Stop the engine to cool it outdoors before supplying fuel.To prevent fire, keep the machine clean without dust, grease, or oil at all times.Wipe off spilt fuel cleanly.Refer to the battery instruction manual for the method of handling the battery.12-4. Precautions as to battery handlingUse of fire is prohibited strictly when checking or charging the battery. Theelectrolyte is dilute sulfuric acid. Do not allow it to contact your body or themachine. If the electrolyte adheres to your body or the machine, wash it off withwater immediately. Especially when it enters your eyes or you swallow it bymistake, see a doctor immediately.When removing the cable from the battery, remove the negative side first, andwhen attaching the cable to the battery, attach the positive side first. When thesequence is reversed, tools may touch the machine and cause a short circuit,generating sparks. Connect the battery cables correctly to the positive andnegative sides. If the direction of connection is wrong, the battery and its electricequipment will be damaged.DANGERWARNINGDANGERCAUTIONThoroughly understand the method of required maintenance.Do maintenance in a dry, clean place.Before maintain the machine, stop the engine.When starting the engine to check the movement, do not approach the movablepart.Stop all driving parts, and operate respective control units to release thepressure. (Lower the mowing unit to the ground)Install all parts in a satisfactory state.Repair or replace damaged parts immediately.Replace worn or damaged parts.Do not remodel the machine. Use genuine parts for maintenance to ensuresafety.Remove dust, grease, and oil adhering to the machine.Remove the minus (-) wiring from the battery before maintaining the electricsystem.When starting the engine, pay attention to the exhaust gas.