Assessments - 3, GPA: 3.7
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2 and insert the drill bit as far as it will go while manually turning. (2) By releasing the grip, the drill bit will be secured. (3) To remove the drill bit, fully pull the grip in the direction of the arrow and pull out the drill bit. 7. Installation of dust cup or dust collector (B) (Optional accessories) (Fig. 3, Fig. 4) When using a rotary hammer for upward drilling operations attach a dust cup or dust collector (B) to collect dust or particles for easy operation. . Installing the dust cup Use the dust cup by attaching to the drill bit a shown in Fig. 3. When using a bit which has big diameter, enlarge the center hole of the dust cup with this rotary hammer. . Installing dust collector (B) When using dust collector (B), insert dust collector (B) from the tip of the bit by aligning it to the groove on the grip (Fig. 4) CAUTION: Front cap Part of SDS-plus shank Grip Drill bit Fig. 2 Dust Cup Fig. 3 Dust Collector (B) Fig. 4 . The dust cup and dust collector (B) are for exclusive use of concrete drilling work. Do not use them for wood or metal drilling work. . Insert dust collector (B) completely into the chuck part of the main unit. . When turning the rotary hammer on while dust collector (B) is detached from a concrete surface, dust collector (B) will rotate together with the drill bit. Make sure to turn on the switch after pressing dust cup on the concrete surface. English (When using dust collector (B) attached to a drill bit that has more than 7-15/ 32" (190 mm) of overall length, dust collector (B) cannot touch the concrete surface but rotates. Therefore please use dust collector (B) by attaching to drill bits which have 6-17/32" (166 mm), 6-19/64" (160 mm) and 4-21/64" (110 mm) overall length. . Dump particles after every two or three holes when drilling. . Please replace the drill bit after removing dust collector (B). 8. Selecting the driver bit Screw heads or bits will be damaged should an inappropriate bit for the screw diameter be employed to drive in the screws. 9. Selecting the function mode You can switch functions to the 3 modes of “strike only, “rotation + strike”, and “rotation only” by turning the change lever while pressing the push button. Set the mark position of the change lever to that of the mode to be used. CAUTION: . Before operating the change lever, check and make sure that the motor has stopped. A failure can occur if it is operated while the motor is running. . If the change lever does not move up to the mark position of each mode, carry out switching while turning the grip end to left and right. Also, it can become difficult to change the mode at low temperature, and therefore perform warming-up. . To operate the change lever, press the push button, and release the lock of the change lever. Also, check and make sure after operation that the push button has returned and that the change lever has been locked. . Switch the change lever without mistake. If it is used at a position halfway, there is a fear that the service life of the switching mechanism may be shortened. . Note that it is impossible to switch from “rotation only” to “strike only” or from “strike only” to “rotation only”. Switch over via “rotation + strike”. (DH30PC) HOW TO USE CAUTION: . To prevent accidents, make sure to turn the switch off and disconnect the plug from the receptacle when the drill pits and other various parts are installed or removed. The power switch should also be turned off during a work break and after work. English 1. Switch operation The rotation speed of the drill bit can be controlled steplessly by varying the amount that the trigger switch is pulled. Speed is low when the trigger switch is pulled slightly and increases as the switch is pulled more. 2. Rotation + Striking This rotary hammer can be set to rotation and striking mode by pressing the push button and turning the change lever to mark. (Fig. 5) (1) Mount the drill bit. (2) Pull the trigger switch after applying the drill bit tip to the drilling position (Fig. 6) (3) Pushing the rotary hammer forcibly is not necessary at all. Pushing slightly so that drill dust comes out gradually is just sufficient. CAUTION: . When the drill bit touches an iron reinforcing rod, the bit will stop immediately and the rotary hammer will react to revolve. Therefore please grip the side handle and handle tightly as shown in Fig. 6. 3. Rotation only This rotary hammer can be set to rotation only mode by pressing the push button and turning the change lever to mark. (Fig. 7) To drill a wood or metal material using the separately sold drill chuck and chuck adaptor, proceed as follows. Installing drill chuck and chuck adaptor (Fig. 8): (1) Mount the drill chuck to the chuck adaptor. (2) The part of the SDS-plus shank is the same as the drill bit. Therefore, refer to the item of “Mounting the drill bit” for attaching it. Change Push Button Lever Fig. 5 Change Fig. 6 Push Button Lever Fig. 7 Front Cap Grip Drill Chuck Chuck Adaptor Part of SDS-plus sha...
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