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Manafacture: DeWalt File size: 674.71 kb File name: Language of manual:

Squeeze both ends of the steel ring together. Mount the bushing (N) and insert the pin (O). 3. Slide the side handle clamp (J) and bushing into the clamp knob (H) – do not tighten. 4. Screw the side handle into the clamp knob (H) and tighten. 5. Rotate the side handle mounting assembly to the desired position. For drilling horizontally with a heavy drill bit, place the side handle assembly at an angle of approximately 20° to the tool for optimum control. 6. Lock the side handle mounting assembly in place by tightening the clamp knob (H). TO MOUNT IN REAR POSITION (FIG. 3) 1. Unscrew the side handle (C) and remove it from the side handle mounting assembly. Leave the side handle mounting assembly in the front position. 2. Screw the side handle directly into one of the rear side handle positions (I) on either side of the tool. Active Vibration Control (Fig. 1) For best vibration control, hold the tool with one hand on the main handle (D) and the other hand on the side handle (C). Apply just enough pressure so the hammer is approximately mid-stroke. The hammer only needs enough pressure to engage the active vibraton control. Applying too much pressure will not make the tool drill or chip faster and active vibration control will not engage. Inserting and Removing SDS max™ Accessories (Fig. 3) CAUTION: TURN OFF TOOL AND DISCONNECT FROM POWER SUPPLY. 1. Pull back the locking sleeve (P) and insert the bit shank. The bit shank must be clean and slightly lubricated. 2. Turn the bit slightly until the sleeve snaps back into position. 3. Ensure the bit is properly engaged. NOTE: The bit needs to move several centimeters in and out of the tool holder (M) when properly engaged. 4. To remove the bit, pull back the locking sleeve and pull the bit out. Complete Torque Control (Fig. 4) CAUTION: Always turn the tool off before changing torque control settings or damage to tool may result. The Complete Torque Control (CTC) feature of this tool is designed to provide additional control by providing a two-stage clutch mechanism. Clutch setting #1 (Q) is designed for most drilling applications and is designed to easily clutch out when the drill bit encounters re-bar or other foreign substances. Clutch setting #2 (R) is designed for higher torque applications such as core-bits and deep hole drilling. NOTE: Allow the motor housing to rotate a little while changing torque. Each time the tool is plugged in, it will automatically default to clutch setting #1, the most sensitive setting. Electronic Speed and Impact Control (Fig. 4) The electronic speed and impact control allows the use of smaller drill bits without the risk of bit breakage, drilling into light and brittle materials without shattering and optimal tool control for precise chiseling. To set the control dial, turn the dial (G) to the desired level. The higher the number, the greater the speed and impact energy. Dial settings make the tool extremely flexible and adaptable for many different applications. The required setting depends on the bit size and hardness of material being drilled. Mode Selector (Fig. 1) CAUTION: Never change the mode while the unit is running. CAUTION: Do not change to hammerdrill mode with chisel bit in tool holder. Personal injury and damage to tool may result. The D25701 and D25730 use two operating modes. To select the required operating mode, rotate the mode selector (F) until the arrow points to the hammerdrilling or the chipping icon. The D25890 uses only the chipping mode. HAMMERDRILLING MODE ( ) The tool simultaneously rotates and impacts the work. This mode is appropriate for all concrete and masonry operations. CHIPPING MODE ( ) The spindle lock is engaged during chipping mode so the tool impacts the work without rotating. This mode is appropriate for light chipping, chiseling and demolition applications. NOTE: In chipping mode, the hammerdrill can also be used as a lever to free a jammed drill bit. CHISEL BIT ADJUSTMENT ( ) Turn the mode selector to one of the chisel bit adjustment icons to adjust the chisel to the desired position. There are 24 possible positions to set the angle of the chisel. After finding the desired position, slightly maneuver the chisel bit back and forth to ensure the chisel is properly engaged. Power Indicator Lights (Fig. 4) The red LED light (S) indicates a serious problem and the tool should be taken to a DEWALT authorized service center for repair. The yellow LED light (T) indicates when brushes are nearly worn and the tool needs servicing. After approximately 8 hours of use, the motor will automatically shut off. The tool should be taken to a DEWALT authorized service center for routine inspection and maintenance. OPERATION NOTE: Operating temperature of this tool is 19° to 104° F (-7 to +40° C). Using the tool outside of this temperature range will decrease the life of the tool. Switch (Fig. 1) To turn the tool on, depress the trigger switch (A). To stop the tool, release the trigger switch. To lock the trig...

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