MR-13A Drill Bit Grinder

1. Be sure the switch is OFF when not in use and before plugging in.
2. Don¡¯t attempt to use inappropriate attachments in an attempt to exceed the tools capacity. Approved accessories are available from the dealer or machine maker.
3. Check for damaged parts, before using any tool, any part that appears damaged should be carefully checked to determine that it will operate properly and perform its intended function.
4. Check for alignment and binding of all moving parts, broken parts or mounting fixture and any other condition that may affect proper operation. Any part that is damaged should be entirely or replaced by a qualified technician.
5. Do not use the tool if any switch does not turn off and on properly.

Change The Wheel
Loosen the knob screw, open the wheel cover, and then loosen the wheel center screw and the fan in the spindle and take them out. After that, you can take out the old wheel.
Clean the spindle and surfaces inside the wheel case before putting the new wheel in, then put back the new wheel, center screw, the fan and then tighten them. Close the cover, tighten the knob screw.

Opetarion

Ø Assemble the fixture (Fig 1)

Put drill, spring collect and the fixture parts together as the drawing steps 1 to 4.The group fixture is as step 5.

Ø       Set the position of the drill bit (Fig 2)

Adjust the dial to the diameter of the drill bit, and then insert the fixture into the hole turn the right and lock it. Take it out and check if the drill bit and the spring collect are parallel. If not, do it again.

Ø       Grind the point angle (Fig 3)

Start the machine and then insert the fixture into the sharpening hole (at side) until the bit point slightly touches the wheel. Then turn the fixture back and forth several times until the grinding sound disappears. Take it out and turn 180 degrees, do the same.

 

Ø       Grind the lip relief angle (Fig 4)

Start the machine and then insert the fixture into the sharpening hole (at top) until the bit point slightly touches the wheel. Then turn the fixture back and forth several times until the grinding sound disappears. Take it out and turn 180 degrees, do the same

Specification
Grinding Drill Dia 3£¨2£©-13(15)mm
Point Angle 90¡ã~135¡ã
Speed 5300RPM
Voltage 220V
Motor 180W
Diamond wheel CBN
Standard 11 collets (ER20) §æ3, §æ4, §æ5, §æ6, §æ7, §æ8, §æ9, §æ10, §æ11, §æ12, §æ13
Optional collets (ER20) §æ2,§æ2.5, §æ3.5, §æ4.5, §æ5.5, §æ14, §æ15
Optional collets holder §¶15 collet holder
Wrench 5mm Hex. Wrench
Weight 10kgs                                                Instruction