Assessments - 4, GPA: 3.8
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-4 BM 2609931631 9/00 2/14/01 4:42 PM Page 5 Symbols IMPORTANT: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer. Symbol Name Designation/Explanation V Volts Voltage (potential) A Amperes Current Hz Hertz Frequency (cycles per second) W Watt Power kg Kilograms Weight min Minutes Time s Seconds Time Diameter Size of drill bits, grinding wheels, etc. n0 No load speed Rotational speed, at no load .../min Revolutions or reciprocation per minute Revolutions, strokes, surface speed, orbits etc. per minute 0 Off position Zero speed, zero torque... 1, 2, 3, ... Selector settings Speed, torque or position settings. I, II, III, Higher number means greater speed Infinitely variable selector with off Speed is increasing from 0 setting Arrow Action in the direction of arrow Alternating current Type or a characteristic of current Direct current Type or a characteristic of current Alternating or direct current Type or a characteristic of current Class II construction Designates Double Insulated Construction tools. Earthing terminal Grounding terminal Warning symbol Alerts user to warning messages Ni-Cad RBRC seal Designates Ni-Cad battery recycling program 0 This symbol designates This symbol designates that this tool is listed to that this tool is listed by Canadian Standards by Underwriters Laboratories. Underwriters Laboratories. This symbol designates This symbol designates that this tool is listed by that this tool is listed by Underwriters Laboratories, the Canadian Standards and listed to Canadian Association. Standards by Underwriters Laboratories. -5 This symbol designates that this tool complies to NOM Mexican Standards. -6- Functional Description and Specifications AUXILIARY HANDLE VENTILATION OPENINGS BELT TENSION RELEASE LEVER SANDING BELT SLIDE ON/OFF SWITCH DUST PORT VARIABLE SPEED DIAL TRACKING ADJUSTMENT KNOB Disconnect the plug from the power source before making any assembly, adjustments or changing accessories. Such preventive safety measures reduce the risk of starting the tool accidentally. ! WARNING SANDING BELT BACKING SURFACE IDLER ROLLER TENSIONING ROLLER BELT TENSION RELEASE LEVER VENTILATION OPENINGS Compact Belt Sander Model number 1278VSK No load speed n0 590-950/min Voltage rating 120 V 50 - 60Hz Belt size 1-1/2" x 12" Amperage rating 3.3 A BM 2609931631 9/00 2/14/01 4:42 PM Page 6 BM 2609931631 9/00 2/14/01 4:42 PM Page 7 Assembly BELT INSTALLATION ! WARNING To prevent personal injury, always disconnect the plug from the power source before removing or installing the belt. Before installing the new sanding belt, clean the backing surface, idler roller and tension roller. 1. Push down on the belt tension release lever to release tension on the rollers. 2. Install new sanding belt with the desired grit over backing surface and rollers. 3. Swing back the belt tension release lever to its original position to apply the proper tension to the sanding belt. Sanding belts that are worn on one side can be turned by 180.. The special adhesive allows sanding in both directions. Operating Instructions SLIDE "ON/OFF" SWITCH Your tool can be switched "ON" by the slide switch located on top of the motor housing. TO TURN TOOL "ON" slide the switch forward. TO TURN TOOL "OFF" slide the switch backward. VARIABLE SPEED DIAL This tool is equipped with a variable speed dial. The belt speed may be adjusted during sanding operation by presetting the dial on or between any one of the six numbers. However the optimum belt speed and grit of the sanding belt depends on the material and can be determined by a practical test. Note: the speeds listed below are only "approximate" or "suggested" settings. AUXILIARY HANDLE The auxiliary handle will provide additional control, support and guidance for the tool. To mount, thread handle into hole provided in housing. TRACKING ADJUSTMENT 1. Plug tool into power source. 2. Hold the tool firmly in one hand, switch tool on and note the tracking of the sanding belt. If the belt runs outward toward arrow 1, rotate the tracking adjustment knob counterclockwise If the belt runs inward toward arrow 2, rotate the tracking adjustment knob clockwise. Adjust the belt in this manner until the edge of the belt runs flush with the backing surface. 1 2 SANDING For different materials, various sanding belts are available. The removal rate and the quality of the surface are determined by the selection of the sanding belt (grit) as well as the belt speed setting (see Settings Table). Application Roughing paint Removing paint, enamel Softwood Hardwood Particle board Rust removal Non-ferrous metal Plastic Acrylic Grit Speeds Coarse Fine 180 240 1-2 60 120 5-6 60 240 5-6 60 180 5-6 60 180 5-6 60 80 5-6 80 180 4-5 80 240 2-3 80 240 1-2 DUST EXTRACTION Your tool is equipped with a dust port for dust extraction. To use this feature, attach vacuum hose (optional a...