A change in the bit trajectory with a certain deepening of the working body into the destroyed material leads to wear of the piston, striker, bearings, and crank assembly.Inexperienced users put excessive pressure on the body in the hammer mode, forgetting that the bit works due to the force of the internal mechanism, the amplitude of the striker stroke decreases, leading to its breakage.Violation of operating modes is dangerous for a hammer drill: With a significant accumulation of dust and crumbs on their surface, the material loses its elasticity, bursts, cracks from stress.ĭiagram of the device components of the perforator Rubber parts work in aggressive environments, extreme conditions. The hammer drill does not hit after a significant amount of lubricant has escaped from the gearbox when the oil seals and rings are worn. Saving on tooling leads to intensive wear of the bore, which houses the bit / drill liner. The perforator must be lubricated periodically, applying a special material instead of the traditional Litol. Mechanical damage to striking elements (firing pin or clutch).If the punch stops working, the reasons may be as follows: The principle of the hammer hammer mechanism. Cut the splines of the clutch mounted on the intermediate shaft Ĭonsider the options in which the hammer drill drills, but does not hammer Causes of breakage of the punch.The cylinder collapsed, the firing pin of the percussion mechanism barrel.The rubber rings of the striker, striker, piston are worn out.The hammer drill does not hammer under load or idle for the following reasons: The hammer drill stops hammering, but drills By the way, the clutches are arranged differently on different Bosch models. 50) decreases, the clutch slips on the intermediate shaft, without transferring rotation from the small spur gear to the large gear (pos. The force of the conical spring pressing the clutch has weakened They can appear in the event of a malfunction of the power tool. The smells of burning or the appearance of smoke should also alert. There should be no extraneous noise, vibration and knocking. Pay attention to the operation of the gearbox. The rock drill should be idling for about one minute. To prevent such a situation, the hammer drill has been added with the “impact blocking” function, designed for drilling various holes in wood or metal.īefore the actual operation of the tool, it is necessary to check the mode in which it is located. When using drill chucks, do not use the counterclockwise and impact drilling positions, as this could damage the chuck and cause it to separate from the power tool. When drilling, you do not need to press hard on the drill, the pressure on it should not be more than five kilograms. After that, you need to place the drill in the right place and turn on the tool using the button. The toggle switch is installed opposite the mark, which looks like a drill. The tool must first be switched to drilling mode without impact. When you can “make noise” with a puncher.Techniques for working correctly with a punch.How to work with a punch in different modes.In order not to lose control of the tool, you need to consider this possibility even before starting work and immediately take a comfortable position, securely holding the drill. When drilling in concrete, the drill bit may bump into the reinforcement. When filling the hole with crumbs and dust, try to empty the drill out to clear the debris. The hammer drill must be held firmly, but do not put pressure on it. After that, the drill must be positioned where it is necessary to make a hole, and then turn on the tool.ĭuring drilling, you need to try not to skew the drill, not allowing it to slide from the desired point. In this case, the toggle switch is installed above the mark with the image of the drill and hammer. Impact drilling mode (drilling)įirst you need to switch the hammer drill to hammer drilling mode. It is worth considering that the motor and shaft are located vertically. This procedure is no different from repairing a conventional rock drill. It is enough to tighten it or replace it. Unscrew the model and make diagnostics, change the lubricant if necessary. Leakage is a direct indicator of wear on certain parts inside the mechanism.
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