169 Specifc Saf ety Instr uctions f or P o w er T ool Gr oups In addition to the General Safety Instructions the following are safety instructions and warnings that apply to the safe operation of specifc power tool groups Consult ANSI B1861 Safety Code for Portable Air T ools Available from America National Standards Institute ANSI 1 1 W 42nd St 13th foor New Y ork New Y ork 10036 212 6424900 or the European Committee for Standardization Rue de Stassart 36 1050 Brussels Belgium Never use hand sockets Use only impact sockets in good condition Sockets in poor condition reduce impact power and could also shatter resulting in personal injury When using a universal joint never free run the tool it may run too fast and cause the joint to be thrown from the tool Always use the simplest hookup possible Long springy extension bars and adapters absorb impact power and could break loose resulting in personal injury Instead use deep sockets whenever possible For tools using the pin and oring socket retainer use the oring to securely retain the socket pin Impact w renches Serious injury can result from overtorqued or undertorqued fasteners which can break or loosen and separate Released assemblies can become projectiles Assemblies requiring a specifc torque must be checked using a torque meter Assembly T ools All chisels rivet sets and other accessories should be checked for cracks excessive wear or other physical damage before each use Accessories that show signs of damage should be replaced immediately Never use a tool without the proper accessory retainer Hammers Always use accessories of correct size and design for the tool T ool and accessories must not be modifed in any way Never use a tool without the proper accessory retainer Specifc instructionswarnings af fecting this group of tools are contained in productspecifc documents accompanying each product Never mount a grinding wheel on a sander Never use a grinding wheel marked with a speed lower than the rated air grinder speed All grinding wheels and polishingsanding accessories should be checked for cracks or other damage before mounting and use Always use the recommended wheel guard to prevent injury when performing grinding operations If a guard has withstood wheel or disc breakage it must be replaced Position a guard between the grinding wheel or disc and the operator Use barriers to protect others from fragments and grinding sparks Make sure grinding wheels are mounted according to manufacturer s specifcations always use correct mounting fanges Before grinding test grinding wheel or disc by briefy running tool at full throttle Be sure to use a barrier such as under a heavy work table to protect yourself from possible broken wheel parts Never tamper with or remove a speed governor from a tool to make it run faster Periodically check tool speed with a tachometer Abrasive T ools See Safety Requirements for Abraiding Materials with Coated Abrasives B77 from ANSI Keep away from rotating bit and chuck y ou can become cut or burned if you come in contact with the drill bit chips or work surface Use intermittent drill pressure to avoid long shaved chips The drill bit can suddenly bind and cause the work piece or tool to rotate causing arm and shoulder injuries ANSI recommends use of a support handle on drills with a chuck larger than 38 10 mm Never use hand sockets Use only power drive sockets per ANSI B1072 T o reduce the risk of injury always support the handle securely in the direction opposite of the spindle rotation to minimize torque reaction Drills Ratchets Accessories Specialty T ools