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Hammer drill operation specifications and precautions

by:WORKSITE     2020-06-23
Hammer drills are a relatively common type of hand-held power tools and are widely used in construction, industry and other industries. So, what do we need to pay attention to in terms of use? Below, I will introduce you to the hammer drill operation specifications and precautions for use.    Introduction: Hammer drill with a hammer tube rotatably supported in the housing, which can be driven in rotation by a transmission gear of a transmission device placed on the hammer tube, with an impact mechanism provided in the hammer tube , The impact mechanism has a piston that can be driven into a reciprocating stroke movement, and has a work type changeover switch for the work type 'impact drilling' and 'chiseling', the work type changeover switch has a manually operable The conversion knob and a conversion mechanism connected with the conversion knob, the conversion mechanism couples the hammer tube and the transmission gear in the set position 'impact drilling' of the conversion knob and makes the hammer tube non-rotatable in the set position 'drilling' It is fixed in the housing and is characterized in that the conversion mechanism has a switch ring that can be fixed on the hammer tube without relative rotation and axial movement, and the switch ring has at least one radial direction on its outer side facing away from the hammer tube A protruding locking lug which is designed to: on the one hand be inserted into at least one axial groove fixed on the transmission gear in the circumferential direction and on the other hand be locked in a positive shape on the other hand Insert into the axial tooth portion fixed to the housing.   Operating specifications:   Personal protection when using electric hammer drill    1. The operator should wear protective glasses to protect his eyes, and wear a protective face shield when working with the face up.    2. Earplugs should be worn during long-term operation to reduce the impact of noise.    3. The drill bit is in a hot state after long-term operation, and the skin should be burned when replacing.    4. The side handle should be used during the operation, and the two hands should be used to sprain the arm due to the reaction force when blocking.    5. Standing on a ladder or working at a height should take measures to drop from a height, and the ladder should be supported by ground personnel. Precautions:    1. Confirm whether the power supply connected to the site matches the nameplate of the hammer, and whether there is a leakage protector.    2. The drill bit and the gripper should be matched and properly installed.    3. When drilling walls, ceilings, and floors, you should first confirm whether there are buried cables or pipes.    4. When working in high places, pay full attention to the safety of the objects and pedestrians below, and set warning signs if necessary.    5. Check whether the switch on the hammer drill is turned off. If the power switch is turned on, the power tool will turn unexpectedly immediately when the plug is inserted into the power outlet, which may cause personal injury.    6. If the working place is far away from the power source, when the extension cable is needed, the extension cable with sufficient capacity should be installed with qualified capacity. The extension cable should be elevated or pass through measures to prevent the cable from being damaged by rolling.   When using a hammer drill, the operator needs to strictly follow the operation rules of the hammer drill, and also pay attention to some operational precautions to ensure correct and safe operation.
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