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User manual Hitachi Koki USA, model DS 9DVF

Manafacture: Hitachi Koki USA
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English OPERATION 1. Mounting and dismounting of the bit (1) Mounting the bit. Insert a screwdriver bit etc. into the keyless drill chuck. Firmly grasp the ring and tighten the sleeve by turning it toward the right (in the clockwise direction as viewed from the front). (See Fig.5) NOTE: If the sleeve becomes loose during operation, tighten it further. The tightening force becomes stronger when the sleeve is tightened. Fig. 5 (2) Dismounting the bit. Firmly grasp the ring and loosen the sleeve by turning it toward the left (in the counterclockwise direction as viewed from the front). (See Fig.5) CAUTION: When mounting a bit into the keyless chuck, tighten firmly. If the sleeve is not tight, the bit may slip or fall out, causing injury. NOTE: Loosening stuck or hard to move sleeves. Grasp the bit installed in the keyless chuck, in a vise or similar tool. Set the cap position to “1-11” and turn on the switch. The motor then starts. Finally, rotate the sleeve to the left, and it will loosen. 2. Confirm that the battery is mounted correctly. 3. Check the rotational direction The bit rotates clockwise (viewed from the rear side) by pushing the R-side of the selector button. The L-side of the selector button is pushed to turn the bit counterclockwise. (See Fig. 6). (The L and R marks are provided on the body.) . When the trigger switch is depressed, the tool rotates. When the trigger is released, the tool stops. . The rotational speed of the drill can be controlled by varying the amount that the trigger switch is pulled. Speed is low when the trigger switch is pulled slightly and increases as the trigger switch is pulled more. . When releasing the trigger of the switch, the brake will be applied for immediate stopping. Tighten Loosen SleeveRing Triger switch Selector Button LR marksLmarksR Fig. 6 English 4. Change rotation speed High speed Low speed Shift knob Shift knob Fig. 7 Fig. 8 Operate the shift knob to change the rotational speed. Move the shift knob in the direction of the arrow (see Figs. 7 and 8). When the shift knob is set to “LOW”, the drill rotates at a low speed. When set to “HIGH”, the drill rotates at a high speed. CAUTION: . When changing the rotational speed with the shift knob, confirm that the switch is off. Changing the speed while the motor is rotating will damage the gears. . When a large force is required for operation (operations indicated in the following chart) set the shift knob to “LOW”. If “HIGH” is set and the unit is used, it may cause the motor to burn out or malfunction prematurely. Table 2 Model DS9DVF DS12DVF / DS14DVF Metal Drilling When the diameter of the hole exceeds 3/16"(5mm). When the diameter of the hole exceeds 1/4"(6.5mm). Wood Drilling When the diameter of the hole exceeds 15/32"(12mm). When the diameter of the hole exceeds 15/32"(12mm). Wood Screw Tightening When the size of the wood screw exceeds 5/32"(3.8mm) diameter . 1-1/4"(32mm). When the size of the wood screw exceeds 5/32"(3.8mm) diameter . 1-31/32"(50mm). 5. Confirm the cap position (see Fig. 9) Weak Strong The tightening torque of this unit can be adjusted accord- CapTriangle mark ing to the cap position, at which the cap is set. mark (1) When using this unit as a screwdriver, line up the one of the numbers “1, 3, 5 ... 22” on the cap, or the black dot, with the triangle mark on the outer body. (2) When using this unit as a drill, line up the cap drill mark “ ” with the triangle mark on the outer body. Fig. 9 English mark CAUTION: . The cap cannot be set between the numbers “1, 3, 5 ... 22” or the black dot. . Do not use with the cap set at the black line between the number “22” and the drill mark “”. Doing so may cause damage. (See Fig. 10) Black line Fig. 10 6. Tightening torque adjustment (1) Tightening torque Tightening torque should correspond in its intensity to the screw diameter. When too strong power is used, the screw head may be broken or be injured. Be sure to adjust the cap position according to the screw diameter. (2) Tightening torque indication (See Fig. 9) The tightening torque differs depending on the type of screw and the material being tightened. The unit indicates the tightening torque with the numbers “1, 3, 5 ... 22” on the cap, and a black dot. The tightening torque at position “1” is the weakest and the torque is strongest at the highest number. (3) Adjusting the tightening torque (See Fig. 9) Rotate the cap and line up the numbers “1, 3, 5, ... 22” on the cap, or the black dot, with the triangle mark on the outer body. Adjust the cap in the weak or the strong torque direction according to the torque you need. CAUTION: . The motor rotation may be locked to cease while the unit is used as drill. While operating the driver drill, take care not to lock the motor. . When setting the shift knob to “HIGH” (high speed) and the position of the cap is “17” to “22”, it may happen that the clutch does not engaged and that the motor is locked. In such a case, please set the shift knob to “LOW” ...