10
Accessories
Operating Instructions
Follow all safety instruction and observe any relevant regulations.
Work piece and working area
Always ensure that materials to be drilled are securely supported and
stable and will not move during operation. Ensure that the core drill selected is
suitable for the material being drilled.
Be aware of the location of pipe work, wiring, fixture and fittings.
Gear Selection
1.
Ensure power supply is off. When selecting any gear rotate the drill spindle (4)
slowly while turning the selector (6) to the appropriate speed. This will ensure
smooth selection of gear.
2.
Do not change gears when the tool is rotating and in use. Failure to follow this
instruction could result in damage to the machine.
3.
See speed chart on page 12. Adjust the speed for harder/softer materials
accordingly. Lower speeds should be used for harder materials, higher speed for
softer materials.
Assembly & operation
1.
Plug in machine into the appropriate power supply (11).
2.
Test correct operation of RCD (10) unit before use (see above).
3.
Disconnect power. For core drills with
1
/
2” BSP thread, screw
1
/
2” BSP adaptor (9)
into drill spindle (4).
4.
Screw core drill with
1
/
2” BSP thread onto adaptor (9).
5.
For core drills with 1
1
/
4” UNC thread, screw directly into drill spindle (4).
6.
Hold firmly the side handle (7) with one hand and main handle (5) with other hand.
7.
To operate the machine depress the trigger (1).
8.
With core drill running approach the surface to be drilled with the drill at an angle
of approximately 15 degrees. As the segments bite gradually bring to a horizontal
position and continue drilling.
9.
For continuous operation depress the trigger lock button on handle (5) while trigger
(1) is operated.
10.
Apply only gentle pressure during operation. Excessive force may damage the
machine or accessories and could result in a shortening of tool life.
11.
To stop drilling depress the trigger (1).
12.
Disconnect the power from the supply.
13.
Remove the core from DDM3 - 230 or adaptor (9) using the spanners provided.
Drilling aids and accessories are available from Marcrist. Contact your Marcrist dealer
for more information.
To Next Page
