To repair a punch with your own hands you will need: You should start disassembling yourself only if you have the appropriate tools and equipment. Only then can the operation of the punch be checked. If melted plastic is visible on the button body, it should be replaced entirely, since it will no longer function properly.Īttention! It is strictly forbidden to check the operation of the button when the instrument is connected to the network.!Īfter replacing the button, you need to reinstall the housing cover, do not forget to tighten the screws securely. It must be remembered that the engine speed control system is also located inside the trigger mechanism. The start button is checked with a multimeter. The working length of the brush must be at least 8 mm. If the cause of the malfunction lies in the wear of the brushes, you can eliminate it by installing a new pair. For this, two or three screws are unscrewed from the plastic case (depending on the model). The rear cover must be removed to access the collector brushes and the start control button. How to check the start button and brushes This protects the instrument from more severe damage, which is more expensive and time-consuming to fix. Replacement of key elements is best done before the part becomes unusable. Replacing the main components of the punch You can disassemble it only after it has completely cooled down. Having felt the characteristic smell from under the casing of the tool, you must immediately stop working and disconnect the device from the network. If the temperature of the case does not decrease, then you need to revise the electric motor. When drilling, it is recommended to use a periodic mode: apply maximum power for no more than 1 minute, then turn on idle for 3-4 seconds. after exertion, allow the tool to idle.First of all, to prevent overheating, it is necessary to observe the operating mode of the device: If the rock drill becomes excessively hot during operation, this is a clear sign of a malfunction of the electric motor. The procedure for replacing the cartridge is clear from the above procedure for disassembling the punch. If the wear of individual parts has exceeded the permissible limits or the rubber boot and plastic skirt are damaged, it is more advisable to replace the entire chuck. In most cases, the cartridge can be repaired. The tool is disassembled according to the following scheme. Having freed and cleaned in the workshop a place for repair work with electrical equipment, and having prepared the necessary set of tools, the puncher begins to be sequentially disassembled to determine the malfunction, carefully examining each assembly and detail. screwdrivers or a multifunctional electric screwdriver, wire cutters and pliers, a rubber hammer, a vice and wrenches for different diameters of nuts, a magnet, a set for cleaning and lubrication. Before opening the device case with your own hands, it is recommended to prepare in advance the workplace and the necessary tools for diagnostics and repair. failures in the electro-dynamic “stuffing”.failures in mechanical assemblies and components.The main malfunctions of a punching tool are divided into: If it was found that the cord is not damaged, proceed to diagnostics of the internal structure of the instrument. If a fault is identified in the cord, it is replaced entirely by picking up or buying a new one, with a wiring cross-section corresponding to the power consumption of the device. For a more accurate diagnosis, use an automotive or household ammeter or multimeter. To begin with, it is enough to examine it. When starting to inspect a punch, they usually start with the power cord and plug. The lower one allows you to check or replace the brushes and diagnose the power unit. The upper casing exposes the gear unit and pistons. two device covers give separate access to the mechanical and electrodynamic parts.
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