Brother International BM-917B Instruction Manual - English - Page 3
WARNING, CAUTION, Environmental requirements, Installation
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2. Notes on safety WARNING Do not put your hand into any openings near the belt, as your hands could get caught in the belt, and serious injury could result. CAUTION Environmental requirements Use the sewing machine in an area which is free from sources of strong electrical noise such as high-frequency welders. Sources of strong electrical noise may cause problems with correct operation. Any fluctuations in the power supply voltage should be within ±10% of the rated voltage for the machine. Voltage fluctuations which are greater than this may cause problems with correct operation. The power supply capacity should be greater than the requirements for the sewing machine's electrical consumption. Insufficient power supply capacity may cause problems with correct operation. The ambient temperature should be within the range of 5°C to 35°C during use. Temperatures which are lower or higher than this may cause problems with correct operation. The relative humidity should be within the range of 45% to 85% during use, and no dew formation should occur in any devices. Excessively dry or humid environments and dew formation may cause problems with correct operation. Avoid exposure to direct sunlight during use. Exposure to direct sunlight may cause problems with correct operation. In the event of an electrical storm, turn off the power and disconnect the power cord from the wall outlet. Lightning may cause problems with correct operation. Installation Machine installation should only be carried out by a qualified technician. Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done. The sewing machine weighs more than 25 kg. The installation should be carried out by two or more people. Do not connent the power cord until installation is complete, otherwise the machine may operate if the treadle is depressed by mistake, which could result in injury. Be sure to connnect the ground. If the ground connection is not secure, you run a high risk of receiving a serious electric shock, and problems with correct operation may also occur. All cords should be secured at least 25 mm away from any moving parts. Furthermore, do not excessively bend the cords or secure them too firmly with staples, otherwise there is the danger that fire or electric shocks could occur. Install the pulley covers (sold separately) to the motor. If using a work table which has casters, the casters should be secured in such a way so that they cannot move. Be sure to wear protective goggles and gloves when handling the lubricating oil, so that no oil gets into your eyes or onto your skin, otherwise inflammation can result. Furthermore, do not drink the oil under any circumstances, as it can cause vomiting and diarrhoea. Keep the oil out of the reach of children. ii BM-917B, 917C