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DeWalt DW831 Instruction Manual
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DeWalt DW831 Instruction Manual

Heavy-duty medium angle trigger switch grinder
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Instruction Manual
DW831, DW840
Heavy-Duty Medium Angle Trigger Switch Grinder

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Summary of Contents for DeWalt DW831

  • Page 1 Instruction Manual DW831, DW840 Heavy-Duty Medium Angle Trigger Switch Grinder...
  • Page 2 Fig. A DW831 DW840 Spindle Spindle lock button WARNING! Read all safety warnings and all Unthreaded backing flange (DW831) instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or Threaded locking flange (DW831) serious injury. Side handle...

  • Page 3: General Power Tool Safety Warnings

    English GENERAL POWER TOOL SAFETY WARNINGS b ) Use personal protective equipment. Always wear eye protection. Protective equipment such as dust WARNING! Read all safety warnings and all mask, non-skid safety shoes, hard hat, or hearing instructions. Failure to follow the warnings and protection used for appropriate conditions will reduce instructions may result in electric shock, fire and/or personal injuries.

  • Page 4: Safety Warnings Common For Grinding

    English into account the working conditions and the g ) Wear personal protective equipment. Depending work to be performed. Use of the power tool for on application, use face shield, safety goggles or operations different from those intended could result safety glasses.

  • Page 5: Causes And Operator Prevention Of Kickback

    English Never start the tool with a person in line with the a tendency to snag the rotating accessory and cause wheel. This includes the operator. loss of control or kickback. s ) Use of accessories not specified in this manual e ) Do not attach a saw chain woodcarving blade is not recommended and may be hazardous.

  • Page 6: Additional Safety Information

    English Safety Warnings Specific for Wire of use, noise from this product may contribute to hearing loss. Brushing Operations CAUTION: When not in use, place tool on its side a ) Be aware that wire bristles are thrown by the on a stable surface where it will not cause a brush even during ordinary operation.

  • Page 7: Assembly And Adjustments

    Motor Fitting and Removing the Guard Be sure your power supply agrees with the nameplate DW831 (Fig. B, C) marking. Voltage decrease of more than 10% will cause loss CAUTION: Unplug the tool before mounting or of power and overheating. D WALT tools are factory tested;...
  • Page 8 1. Place the tool on a table, guard up. or the guard latch in the open position. 2. Install the unthreaded backing flange   3  (DW831),  1. Place the angle grinder on a table, spindle up. (DW840) on spindle   1  with the raised center (pilot) 2.

  • Page 9: Prior To Operation

    Mounting Sanding Backing Pads (Fig. G) power tool at maximum no-load speed for one minute. DW831 Damaged accessories will normally break apart during nOTE: Use of a guard with sanding discs that use backing this test time.
  • Page 10 English Proper hand position requires one hand on the side Fig. I handle   5  , with the other hand on the body of the tool, as shown in Figure H. Fig. H Angle 3. Maintain an appropriate angle between the tool and work surface.

  • Page 11: Maintenance

    English particles. Workers should wash and clean up BEFORE are not designed to withstand side pressures caused eating, drinking or smoking. Articles of food, drink, or by bending. Fig. J smoking should not be left in the work area where dust would settle on them.

  • Page 12: Accessories Chart

    Strands of wire may break and fly off when wire wheels and brushes are in use. CAUTION: Type 1 abrasive and diamond cut-off wheels may not be used on this tool. A Type 1 cut-off wheel guard is not available for these grinders. View other Power Tools made by DeWalt Tools on our website.

This manual is also suitable for:

Dw840

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