Assessments - 3, GPA: 4 ( )

Fabricante : Black & Decker Arquivo Tamanho: 1.95 mb Arquivo Nome : Língua de Ensino:

The tool will remain running while the trigger is depressed. Turn the tool off by releasing the trigger. TRIGGER OPERATION WITH LOCK-ON FEATURE To turn tool on, depress trigger. Depress and hold lock-on button (B) while releasing trigger. Lock-on button will remain depressed and tool will remain on. To turn the tool off, depress and release trigger. The lock pin button will pop out, permitting the trigger to disengage and causing the tool to turn off. NOTE: Allow the tool to reach full speed before touching tool to work surface. Lift the tool from the work surface before turning the tool off. CAUTION: Make sure the wheel has come to a complete stop before setting the tool down. REMOVAL OF LOCK-ON FEATURE The lock-on button can be permanently removed without compromising compliance with regulatory agencies shown on the tool’s nameplate. Removal of the lock pin must be done by a DEWALT Service Center. Mounting and Using Depressed CenterGrinding Wheels and Sanding FlapDiscs MOUNTING AND REMOVING GUARD Turn off and unplug tool before making any adjustments or removing or installing accessories. Before reconnecting the tool, depress and release the trigger switch to ensure that the tool is off. 9 English 399080-02 rev 11/15/02 10:13 AM Page 10 English IMPORTANT INFORMATION ABOUT GRINDING GUARDS WHEEL Guards must be used with all grinding wheels, SURFACE sanding flap discs, wire brushes and wire wheels. The tool may be used without a guard only when sanding with conventional sanding discs. DEWALT models D28493, D28494, GUARD D28474, D28499 are provided with a guard LIP intended for use with depressed center wheels (Type 27), and hubbed grinding wheels (Type 27). The same guard is designed for use with sanding flap discs, wire brushes and wire wheels. Grinding and cutting with wheels other than Type 27 and 29 require different accessory guards not included with the tool. Mounting instructions for these accessory guards are included in the accessory package. CAUTION: When using a grinding wheel with a Type 27, 28, or 29 guard, be sure that the bottom surface of the grinding wheel is inside the the guard lip. CAUTION: DEWALT model D28497 Angle Sander may only be used for grinding by using appropriate accessory guard. 1. Open the guard latch (H), and align the lugs with slots on the gear case cover. Position the guard facing backward, as shown. 2. Push the guard down until the guard lugs engage and rotate freely in the groove on the gear case hub. H 3. With the guard latch open, rotate the guard into the desired working position that provides maximum protection to the user as shown. 4. Close the guard latch to secure the guard on the gear case. You should be unable to rotate the guard by hand when the latch is closed. Do not operate the grinder with a loose guard or the clamp lever in open position. 5. To remove the guard, follow the proce- I dure above in reverse order. NOTE: The guard is pre-adjusted to the diameter of the gear case hub at the factory. If, after a period of time, the guard becomes loose, tighten the adjusting screw (I) with clamp in the closed position. CAUTION: Do not tighten the adjusting screw with the clamp lever in open position. Undetectable damage to the guard or the mounting hub may result. MOUNTING AND REMOVING HUBBED WHEELS Hubbed wheels install directly on the 5/8" — 11 threaded spindle. 1. Thread the wheel on the spindle by hand, seating the wheel against the soft mount. 2. Depress the spindle lock button and use a wrench to tighten the hub of the wheel. 3. Reverse the above procedure to remove the wheel. CAUTION: Failure to properly seat the wheel against the soft mount before turning the tool on may result in damage to the tool or the wheel. MOUNTING NON-HUBBED WHEELS Depressed center, Type 27 grinding wheels must be used with available accessory flanges. See the chart on pages 5–7 of this manual for more information. 10 399080-02 rev 11/15/02 10:13 AM Page 11 1. Install the metal backing flange (J) on spindle (E) against the soft mount. 2. Place wheel against the backing flange, centering the wheel on the backing flange pilot. 3. While depressing the spindle lock button, thread the clamp nut (K) on spindle, piloting the raised hub on clamp nut in the center of grinding wheel. 4. Tighten the clamp nut with a wrench. 5. Reverse the above procedure to remove the wheel. J E K SURFACE GRINDING WITH GRINDING WHEELS 1. Allow the tool to reach full speed before touching tool to work surface. 2. Apply minimum pressure to work surface, to allow the tool to operate at high speed. 3. Maintain a 20° to 30° angle between the tool and work surface. 20°- 30° 4. Continuously move the tool in a forward and back motion to avoid creating gouges in the work surface. 5. Remove the tool from work surface before turning tool off. Allow the tool to stop rotating before setting it down. EDGE GRINDING WITH GRINDING WHEELS CAUTION: Wheels used for cutting and edge grinding may break if they bend or twist while ...

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