Hitachi DV18DMR Instruction Manual - Page 24
damage. See Fig. 24
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English Operate the shift knob to change the rotational speed. Move the shift knob in the direction of the arrow. (See Fig. 21 and 22) 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: G 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. G 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. Model Brick Drilling Metal Drilling Wood Drilling Wood Screw Tightening DV14DMR DV18DMR When the diameter of the hole exceeds 3/8"(10 mm). When the diameter of the hole exceeds 5/16" (8 mm). When the diameter of the hole When the diameter of the hole exceeds 15/16" (24 mm). exceeds 1-1/16" (27 mm). When the size of the wood screw exceeds 3/16" (4.8 mm) diameter × 2" (50 mm). 9. Confirm the cap position (See Fig. 23) Cap Triangle mark The three modes of screwdriver, drill and hammer drill can be switched by the position of the cap in this unit. (1) When using this unit as a screwdriver, line up the one of the numbers "1, 4, 7 ... 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 Hammer mark " " with the triangle mark on the outer body. mark (3) When using this unit as a hammer drill, align the cap Drill hammer mark " " with the triangle mark on the outer mark body. Fig. 23 Hammer mark Drill mark Triangle mark Black line Fig. 24 24 CAUTION: G The cap cannot be set between the numerals "1, 4, 7 ... 22" or the black dot. G Do not use with the cap numeral at "22" and the black line at the middle of the drill mark. Doing so may cause damage. (See Fig. 24) 10. Rotation to Hammer changeover The "Rotation (Rotation only)" and "Hammer (Hammer + Rotation)" can be switched by aligning the drill mark " " or the hammer mark " " with the triangle mark on the outer body. ⅜ To make holes in the metal, wood or plastic, switch to "Rotation (Rotation only)". ⅜ To make holes in the bricks or concrete blocks, switch to "Hammer (Hammer + Rotation)".
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