User manual METABO KHE2851

[. . . ] Always wear protective goggles, gloves, and sturdy shoes when working with this tool. Ensure that the spot where you wish to work is free of power cables, gas lines or water pipes (e. Remove chips and similar material only with the machine at standstill. Caution with hard screwdriving (driving of screws with either a metric or an imperial thread into steel)! [. . . ] Securely tighten the additional handle at the angle required for the application. The electronic soft start means that the machine accelerates continuously up to the preselected speed (not UHE 2250 Multi, UHE 2450 Multi, KHE 2650). For continuous operation the trigger can be locked with the lock button (12). In continuous operation, the machine continues running if it is forced out of your hands. Therefore, always hold the machine with both hands using the handles provided, stand in a safe position and concentrate. Presetting the speed (only applies for UHE 2250 Multi, UHE 2450 Multi, UHE 2850 Multi) Preset the optimum speed for the application using the adjusting wheel (9). Removing the chuck: a b Turn chuck lock (5) as far as it will go (a) in the direction indicated by the arrow, and remove chuck (b). 9 en ENGLISH Replacing the chuck: turning) until it cannot be turned any further - only now is the tool securely clamped. With a soft tool shank, retightening may be required after a short period of operation. Removing the tool: Turn sleeve (4) in the direction of "AUF, OPEN", and remove the tool. Note: The grating sound which may be heard after opening the drill chuck is functional and is stopped by turning the sleeve in the opposite direction. Hold drill chuck using an open-end spanner at the flats on its head, and turn the sleeve (4) vigourously in the direction of "AUF, OPEN". Turn chuck lock (5) in the direction indicated by the arrow (b) until chuck slides fully onto the spindle. Note: To prevent the spindle from turning while changing chucks, set the switch button (14) to chiselling mode. Tool change with SDS chuck Before fitting, clean tool shank and apply special grease (accessories order no. Inserting the tool: Turn the tool while inserting until it locks into place. Tips and Tricks Only moderate pressure is required for hammer drilling and chiselling. When drilling deep holes, remove the drill bit periodically from the hole to remove dust. Servicing Always keep the safety coupling (17) clean and free from dust. Always keep the spindle (6) clean and apply a light coating of grease. (for information on special grease, see Accessories section: order no. 31800) Keyless chuck (1) cleaning: After prolonged use, hold the chuck vertically, with the opening facing down, and fully close it and open it several times. [. . . ] This can considerably increase the vibratory load over the entire working period. An estimation of the level of exposure to vibration should also take into account the times when the tool is switched off or when it is running but not actually doing the job. This can considerably reduce the vibratory load over the entire working period. Identify additional safety measures to protect the operator from the effects of vibration such as: service the tool and the accessories, keep hands warm, organise work patterns. [. . . ]