Electric hammer is often used in electric tools indispensable tools, electric hammer is a class of electric drill, mainly used in concrete. Floor slabs. Drilled holes in brick walls and stone. Professional in the wall, concrete, stone above punching, as well as multifunctional electric hammer, adjust to the appropriate position with the appropriate drill can replace the ordinary drill, pickaxe use.
The correct use of electric hammer:
1. When using an electric hammer, the operator should wear protective glasses, protective mask, and earplugs during long-term operation, and avoid burning the skin by drill bit. Operation should use the side handle, both hands operation, in order to block when the reaction force sprain the arm. High work should be done high fall measures, ladder should be supported by the ground personnel.
2. Check whether the power supply connected to the site is consistent with the nameplate of the electric hammer. Whether there is leakage protector; Drill bit and gripper should be fitted and properly installed.
3. When drilling into the wall, ceiling and floor, it should be confirmed that there are no buried cables or pipes.
4, in the height of the operation, to pay full attention to the following objects and pedestrian safety, if necessary, set warning signs.
5. Confirm whether the switch on the electric hammer is cut off. If the power switch is connected, the electric tool will turn unexpectedly when the plug is inserted into the power socket, which may lead to the risk of human injury.
6. If the working place is far from the power supply and cables need to be extended, the capacity should be sufficient and qualified extension cables should be installed. If the extension cable passes through the pedestrian walkway, it should be elevated or take measures to prevent the cable from being crushed and damaged.
The correct operation method of electric hammer:
1. "Drilling with impact" operation
(1) Pull the working mode knob to the position of impact rotation hole.
(2) Put the drill bit in the position to be drilled, and then pull the switch trigger. The drill only needs to be slightly pushed, so that the chips can be discharged freely, without hard pushing.
2, "chisel, crushing" operation
(1) Pull the working mode knob to the "single hammer" position.
(2) Use the dead weight of the rig for operation, without the need to push
3. Drill holes
(1) Pull the working mode knob to the position of "drilling" (no hammering).
(2) Put the drill bit on the position to be drilled, and then pull the switch trigger. Just give it a nudge.
4. In order to ensure the efficiency of the operation, the following daily checks are required:
Before using the electric hammer, it is necessary to check the drill bit. Using a dull or bent drill bit will make the overload surface of the motor abnormal, and it should be replaced immediately
Check the fastening screws of the electric hammer body. Because of the impact of the electric hammer operation, it is easy to loosen the installation screws of the electric hammer body. It is necessary to check the fastening condition frequently.
Check the wear degree of the carbon brush, once beyond the limit, should be replaced immediately, and always keep clean state.
Protection of grounding wire is an important measure to protect personal safety, so Class I appliances (metal case) should always check that the case should be well grounded.
Check the dust cover. If the inside of the dust cover is worn out, replace it immediately.
