Assessments - 4, GPA: 3.5
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3. Screw the threaded clamp nut onto the spindle (D). 4. Rotate the spindle by hand while pressing the spindle lock fully until it has found its locking location and holds the spindle still (E). 5. Firmly tighten the threaded flange with the supplied hex wrench (F). Mounting Edge Cutting Wheels (Fig. 2) Type 27 Edge cutting wheels are available as optional accessories. Before fitting a cutting wheel, unplug tool from the power source. 1. Locate the inner clamp nut (A) on the machine spindle (B). 2. Place the wheel against the flange,(C) centering the grinding wheel on the backing flange pilot. (D). 4. Rotate the spindle by hand while pressing the spindle lock (E) fully until it has found its locking location and holds the the spindle still. 5. While depressing spindle lock button, firmly tighten the threaded flange with supplied hex wrench (F). Fitting a Sanding Backing Pad and Sanding Disc Sanding backing pads are available as optional accessories. To fit the pad, unplug the tool, follow instructions provided with the accessory. CAUTION: Accessories must be rated for at least the speed recommended on the tool warning label. Wheels and other accessories running over rated speed can fly apart and cause injury. Fitting Wire Cup Brushes The wire cup brush or wire stringer bead wheel screws directly on the spindle of the machine without the use of flanges. Operation Starting the Tool Fig. 3) Always be sure the tool is not locked on before plugging it in. 1. To start the grinder, squeeze the paddle switch (A) after rotating the off-lock (B) out of the way. 2. To turn the tool off, release the paddle. 3. The switch can be locked in the ON position by engaging the button (C) at the rear of the tool after squeezing the paddle. 4. To turn the tool off while the lock-on feature is engaged, sqeeze and release the paddle. For Grinding (Fig. 4) Using a depressed center Type 27 wheel, use the tool at an angle of approximately 10-20 degrees to the work for grinding. Most type 27 wheels are not designed for cutting operations Edge Cutting (Fig. 5) Edge cutting can be performed only with Type 27 wheels that are designed and specified for this purpose. Protect yourself during edge cutting by directing the open side of the guard away from you and toward a surface. Sanding With Abrasive Discs (Fig. 6) When using an abrasive disc, hold the tool so that an angle of 5° to 15° exists between the disc and the work, as shown. If only the outer edge of the sanding disc is pressed flat against the work, the sanding action will be irregular and bumpy, and the tool will be difficult to control. Precautions When Sanding Paint Sanding of lead based paint is NOT RECOMMENDED due to the difficulty of controlling the con taminated dust. The greatest danger of lead poisoning is to children and pregnant women. Since it is difficult to identify whether or not a paint contains lead without a chemical analysis, we recommend the following precautions when sanding any paint: A. PERSONAL SAFETY 1. No children or pregnant women should enter the work area where the paint sanding is being done until all clean up is completed. 2. A dust mask or respirator should be worn by all persons entering the work area. The filter should be replaced daily or whenever the wearer has difficulty breathing. NOTE: Only those dust masks suitable for working with lead paint dust and fumes should be used. Ordinary painting masks do not offer this protection. See your local hardware dealer for the proper (NIOSH approved) mask. 3. NO EATING, DRINKING or SMOKING should be done in the work area to prevent ingesting contaminated paint particles. Workers should wash and clean up BEFORE eating, drinking or smoking. Articles of food, drink, or smoking should not be left in the work area where dust would settle on them. B. ENVIRONMENTAL SAFETY 1. Paint should be removed in such a manner as to minimize the amount of dust generated. 2. Areas where paint removal is occurring should be sealed with plastic sheeting of 4 mils thickness. 3. Sanding should be done in a manner to reduce tracking of paint dust outside the work area. C. CLEANING AND DISPOSAL 1. All surfaces in the work area should be vacuumed and thoroughly cleaned daily for the duration of the sanding project. Vacuum filter bags should be changed frequently. 2. Plastic drop cloths should be gathered up and disposed of along with any dust chips or other removal debris. They should be placed in sealed refuse receptacles and disposed of through regular trash pick-up procedures. During clean up, children and pregnant women should be kept away from the immediate work area. 3. All toys, washable furniture and utensils used by children should be washed thoroughly before being used again. Cleaning Blowing dust and grit out of the motor housing using compressed air is a necessary regular maintenance procedure. Dust and grit containing particles from metal grinding often accumulate on interior surfaces and could create an electrical sh...