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399080-02 rev 11/15/02 10:13 AM Page 1
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399080-02 rev 11/15/02 10:13 AM Page 2 DEWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286 Printed in USA (NOV02-CD-2) Form No. 399080-02 D28474, D28493, D28494, D28499, D28497 Copyright © 2002 The following are trademarks for one or more DEWALT power tools: the yellow and black color scheme; the “D” shaped air intake grill; the array of pyramids on the handgrip; the kit box configuration; and the array of lozenge-shaped humps on the surface of the tool.
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399080-02 rev 11/15/02 10:13 AM Page 3 Questions? See us on the World Wide Web at www.dewalt.com INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA INSTRUCTION MANUAL DE GARANTÍA. ADVERTENCIA: LÉASE ESTE INSTRUCTIVO GUIDE D'UTILISATION ANTES DE USAR EL PRODUCTO. MANUAL DE INSTRUCCIONES D28474/D28493/D28494/D28499 Heavy Duty Large Angle Grinders Grandes rectifieuses coudées de service intensif Esmeriladoras de ángulo grande para trabajo pesado D28497 Heavy Duty Large Angle Sander Grandes p
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399080-02 rev 11/15/02 10:13 AM Page 4 English
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399080-02 rev 11/15/02 10:13 AM Page 1 IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS provide a means to transfer electrical energy safely away from the OR ANY DEWALT TOOL, CALL US TOLL FREE AT: user in the event the tool electrically malfunctions, breaks down, or the tool case becomes live. Damage to, or loss of, one of the 1-800-4-DEWALT (1-800-433-9258) 3 plug blades; damage to the plug or cord, or failure to have the SAVE THESE INSTRUCTIONS! tool plugged into a verified and continuousl
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399080-02 rev 11/15/02 10:13 AM Page 2 PERSONAL SAFETY Do not use tool if switch does not turn it on or off. Any tool Stay alert, watch what you are doing and use common that cannot be controlled with the switch is dangerous and must sense when operating a power tool. Do not use tool while be repaired. tired or under the influence of drugs, alcohol, or medica- Disconnect the plug from the power source before making tion. A moment of inattention while operating power tools may any adjustments,
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399080-02 rev 11/15/02 10:13 AM Page 3 When starting the tool with a new or replacement wheel, or a Specific Safety Rules for Grinders new or replacement wire brush installed, hold the tool in a well Always use proper guard with grinding wheel. A guard protects protected area and let it run for one minute. If the wheel has an operator from broken wheel fragments and wheel contact. undetected crack or flaw, it should burst in less than one minute. If the Accessories must be rated for at least
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399080-02 rev 11/15/02 10:13 AM Page 4 Your risk from these exposures varies, depending on how often you Components do this type of work. To reduce your exposure to these chemicals: A. Trigger Switch B. Lock On Button work in a well ventilated area, and work with approved safety equip- C. Spindle Lock D. Side Handle ment, such as those dust masks that are specially designed to filter E. Spindle F. Soft Mount out microscopic particles. G. Rubber Bumper • Avoid prolonged contact with dust from
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399080-02 rev 11/15/02 10:13 AM Page 5 MULTIPLE SIDE HANDLE POSITIONS Sanding Flap Discs The side handle can be properly positioned in five locations based on personal preference and application. The side handle must be used at all times to maintain proper control of the tool. soft mount soft mount RUBBER BUMPER The gear case rubber bumper may wear with use. The bumper can be replaced with part number 397711-00 available at extra cost Type 27 guard from DEWALT authorized service centers. Type
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399080-02 rev 11/15/02 10:13 AM Page 6 Grinding Wheels Sanding Discs soft mount soft mount soft mount soft mount rubber backing pad Type 27 guard DW4947 Type 27 guard Type 28 guard D284937/D284939 D284937/D284939 D284938 Type 27 hubbed wheel sanding disc backing flange backing flange 54339-00 54339-00 soft mount clamp nut included with Type 27 non-hubbed Type 28 non-hubbed D4947 wheel wheel Type 28 guard D284938 clamp nut clamp nut 22191-00 22191-00 Type 28 hubbed wheel NOTE: Wheel size must
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399080-02 rev 11/15/02 10:13 AM Page 7 Flaring Cup Stones Cutting Wheels Wire Wheels soft mount Type 11 flaring cup guard Type 1 guard Type 1 guard D284934 — 4” D284931 D284931 D284936 — 6” Type 27 guard D284937/D284939 backing flange backing flange backing flange 608368-00 608370-00 608370-00 wire cup brush flaring cup stone abrasive cutting wheel diamond cutting wheel soft mount clamp nut clamp nut 608463-00 608463-00 Type 27 guard D284937/D284939 wire wheel NOTE: Wheel size must match guar
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399080-02 rev 11/15/02 10:13 AM Page 8 • Two rear positions: Rear handle positions CAUTION: Accessories must be rated for at least the speed are designed for optimized balance in edge recommended on the tool warning label. Wheels and other acces- grinding applications. sories running over rated speed can fly apart and cause injury. • One top position: Top handle position is ATTACHMENTS designed for edge grinding applications. Attachments designed specifically for this grinder can be NOTE: D
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399080-02 rev 11/15/02 10:13 AM Page 9 2. Without separating the gear case from motor housing, rotate the TRIGGER OPERATION gear case head to desired position. To turn the tool on, depress the trigger switch (A). The tool will remain running while the trigger is depressed. Turn the tool off by NOTE: If the gear case and motor housing become separated by releasing the trigger. more than 1/8", the tool must be serviced and re-assembled by a DEWALT service center. Failure to TRIGGER OPERATION WI
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399080-02 rev 11/15/02 10:13 AM Page 10 IMPORTANT INFORMATION ABOUT 4. Close the guard latch to secure the GRINDING GUARDS guard on the gear case.You should be WHEEL unable to rotate the guard by hand Guards must be used with all grinding wheels, SURFACE when the latch is closed. Do not oper- sanding flap discs, wire brushes and wire ate the grinder with a loose guard or wheels. The tool may be used without a guard the clamp lever in open position. only when sanding with conventional sanding
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399080-02 rev 11/15/02 10:13 AM Page 11 1. Install the metal backing flange (J) on spindle J 1 wheel, use a closed, Type 1 guard. Type 1 guards (E) against the soft mount. are available at extra cost from your local dealer or authorized service center. 2. Place wheel against the backing flange, cen- 1. Allow the tool to reach full speed before touching the tool to the tering the wheel on the backing flange pilot. E work surface. 3. While depressing the spindle lock button, 2. Apply minimum p
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399080-02 rev 11/15/02 10:13 AM Page 12 USING SANDING BACKING PADS Mounting and Using Sanding Choose the proper grit sandpaper for your application. Sandpaper Backing Pads is available in various grits. Coarse grits yield faster material Sanding pads and sanding discs must be rated above minimum removal rates and a rougher finish. Finer grits yield slower material accessory speed as shown on tool. Recommended sanding back- removal and a smoother finish. ing pads and sanding discs are availa
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399080-02 rev 11/15/02 10:13 AM Page 13 3. Maintain a 5˚ to 10˚ angle between the tool Mounting and Using Wire Brushes and work surface for wire cup brushes. and Wire Wheels 4. Maintain contact between the edge of the Turn off and unplug tool before making any adjustments or wheel and the work surface with wire removing or installing accessories. Before reconnecting the 5˚-10˚ wheels. tool, depress and release the trigger switch to ensure that the tool is off. 5. Continuously move the tool i
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399080-02 rev 11/15/02 10:13 AM Page 14 ˚ 3. Securely tighten the two clamping 3. Maintain a 5˚ to 10 angle between the tool and screws (W) supplied with the guard. the work surface. 5˚-10˚ 4. Continuously move the tool in a forward and MOUNTING FLARING CUP WHEEL back motion to avoid creating gouges in the work surface. 1. Remove the soft mount (F). 5. Remove the tool from work surface before turning tool off. Allow 2. Install the flaring cup wheel backing W the tool to stop rotating before s
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399080-02 rev 11/15/02 10:13 AM Page 15 between the spindle and the operator to provide maximum oper- 5. Depress the spindle lock button and tighten clamp nut with ator protection. wrench. 4. Close the guard latch to secure the guard on the gear case 6. Reverse the above procedure to remove the wheel. cover. You should be unable to rotate the guard by hand when USING CUTTING WHEELS the latch is in closed position. Do not operate grinder with a 1. Allow tool to reach full speed before touchin
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399080-02 rev 11/15/02 10:13 AM Page 16 Repairs Purchasing Accessories To assure product SAFETY and RELIABILITY, repairs, mainte- Recommended accessories for use with your tool are available at nance and adjustment should be performed by authorized service extra cost from you local dealer or authorized service center. If you centers or other qualified service personnel. Always use identical need assistance in locating any accessory for your tool, contact: replacement parts. DEWALT Industrial
