User manual MAKITA BHP451RFE

[. . . ] WARNING: MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury. Always switch off the tool before insertion or removal of the battery cartridge. To remove the battery cartridge, withdraw it from the tool while sliding the button on the side of the cartridge. To insert the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into place. [. . . ] To change the speed, first switch off the tool and then slide the speed change lever to the "1" position for low speed, "2" position for medium speed or "3" position for high speed. Be sure that the speed change lever is set to the correct position before operation. nOTE: · When changing the position from "1" to "3" or from "3" to "1", it may be a little difficult to slide the speed change lever. At this time, switch on and run the tool for a second at the "2" position, then stop the tool and slide to your desired position. cAUTION: · Always set the speed change lever fully to the correct position. If you operate the tool with the speed change lever positioned halfway between the "1" position, "2" position and "3" position, the tool may be damaged. Insert the side grip so that the protrusions on the grip base fit in between the grooves on the tool barrel. Fit the bit holder into the protrusion at the tool foot on either right or left side and secure it with a screw. Select one of the three modes suitable for your work needs by using this lever. When changing the position from " " to " ", it may be a little difficult to slide the mode change lever. At this time, switch on and run the tool for a second at the " " position, then stop the tool and slide to your desired position. cAUTION: · Always set the lever correctly to your desired mode mark. If you operate the tool with the lever positioned halfway between the mode marks, the tool may be damaged. Loosen the clamp screw, set to desired position, then tighten the clamp screw. To install the hook, insert it into a groove in the tool housing on either side and then secure it with a screw. There is a tremendous and sudden twisting force exerted on the tool/bit at the time of hole breakthrough, when the hole becomes clogged with chips and particles, or when striking reinforcing rods embedded in the concrete. Always use the side grip (auxiliary handle) and firmly hold the tool by both side grip and switch handle during operations. The fastening torque can be adjusted in 16 steps by turning the adjusting ring so that its graduations are aligned with the arrow on the tool body. The fastening torque is minimum when the number 1 is aligned with the arrow, The adjusting ring can be aligned in any torque levels for this operation. Keep the tool in position and prevent it from slipping away from the hole. Do not apply more pressure when the hole becomes clogged with chips or particles. Instead, run the tool at an idle, then remove the bit partially from the hole. [. . . ] There is a tremendous force exerted on the tool/bit at the time of hole break through. These accessories or attachments are recommended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. If you need any assistance for more details regarding these accessories, ask your local Makita service center. [. . . ]