User manual HUSQVARNA PG 400

[. . . ] Grinders PG 400 SF and PG 280 SF are designed for surface removal of glue/adhesive residues, putty and the like from concrete floors and grinding and flattening out concrete floors. Only staff that have received the necessary education, both practically and theoretically concerning their usage should operate the machinery. You must use approved personal protective equipment whenever you use the machine. Personal protective equipment cannot eliminate the risk of injury but it will reduce the degree of injury if an accident does happen. [. . . ] Keep all parts in good working order and ensure that all fixtures are properly tightened. Carry out the checks, maintenance and service instructions described in this manual. Some maintenance and service measures must be carried out by trained and qualified specialists. The machine must not be run with defective or disassembled safety equipment. Never use a machine that has been modified in any way from its original specification. Machinery should only be started when grinding heads are resting on the ground unless carrying out a testing procedure as outlined in this manual. The machine should not be started without the rubber dust skirt attached. It is essential a good seal between machine and floor be established for safety, especially when operating in dry grinding applications. During grinding, the machine must be connected to a vacuum cleaner to sucking off the dust. When changing the grinding discs ensure power supply to the unit is OFF by engaging the Emergency Stop button and the power-plug disconnected. After each grinding/polishing operation always remove the diamond tools. Make sure that the rubber skirt is intact and clean and that it seals tightly against the floor. Always raise the machine from the surface after use to prevent it from sticking to the floor due to the heat. Make sure the grinding head has stopped rotating before raising the machine. The machine should always be transported under cover limiting the exposed to natural elements ­ in particular rain and snow. Store the equipment in a lockable area so that it is out of reach of children and unauthorized persons. The locking knobs should be positioned in-line with the handlebar to reduce the risk of damaging the knobs when laying down the machinge when changing tools. Once new diamond segments have been attached, reverse procedure to lower machine to ground. It is highly recommended to use the Husqvarna DC 3300 dust extraction system for complete dust control. Make sure that the filters in the vacuum cleaner are intact and clean. Adjust the rubber skirt to be in contact with the floor to ensure efficient dust collection. Put padding between the motor and the electric box to prevent damage to the machine. [. . . ] Check to ensure all diamonds are fitted correctly and are the same height. Always pull out the plug from the outlet socket before cleaning, maintenance or assembly. In order for the machine to always be cooled sufficiently the cooling air openings must be kept clear and clean. The machine stops after just a while The machine will reboot after about a minute when the motor has cooled off. [. . . ]