Page 4
Twist Drill Bit Installation 1. Insert the arbor (D) into the spindle and secure it by attaching the set screws (G) and tightening them with the M5 hex wrench (I). Spindle Arbor 2. Slide the chuck (C) onto the arbor until it is locked into place. Arbor Chuck 3.
Page 5
4. Mount your twist drill bit (not included) into the chuck and turn the chuck wrench clockwise until the bit is locked in place. ALWAYS remove adjustment wrenches before use. Annular Cutter/Core Drill Bit Installation 1. Insert the pilot pin (H) into the top hole of your core drill bit (not included). Pilot Pin Core Drill Bit 2.
Page 6
Operation Instructions 三、 WARNING Warning! Before using this device, be sure to read all the safety regulations and instructions carefully to avoid fire, electric shock, or serious injury. Follow these safety measures strictly! Meanwhile must follow workplace safety regulations, follow the relevant work safety regulations of all countries.
Page 7
The surface shall be smooth, and the thickness shall be between 10mm-75mm to ensure reliable adsorption of the equipment. A steel plate with less than a 10mm thickness cannot provide complete compatibility with the rated magnetic adsorption. It is required to check the suction condition after magnetic adsorption and confirm the adsorption before operation.
Page 8
loss of power of the magnetic base .When drilling laterally or upside-down in a magnetic base, a reasonable cooling method shall be selected. A liquid cooling method shall not be used for cooling. Liquids are likely to infiltrate into the equipment to cause damage or electricity leakage. A mist spray cooling is recommended.
Page 9
professional according to the wear condition of the carbon brush. After three months of normal working conditions, change the lubricating grease in gear box by a professional or technical personnel. Make sure all the parts are fully lubricated. Maintenance is made in our after-sales service department or designated dealer.
Page 10
Magnetic suction indication When the magnetic control button is opened, magnetic suction is about 70% of the normal working state. This is called a magnetic half suction. After pressing the control button of magnetic base, press the motor control button, then the drill machine will be in a working state.
Page 11
Edges of teeth dull or damage Replace with a new cutter Gap of slideway is too large Reduce gap of slideway Cooling is not sufficient Increase the flow of coolant Feeding too large or too hard when Slow down drilling through steel plates Spring of arbor breaks Replace new spring In order to avoid the influence of magnetic suction, clear out the iron filings and...
Need help?
Do you have a question about the JBLJ11 and is the answer not in the manual?
Questions and answers