Makita DBM230 Operating Instructions Manual

Also see for DBM230: Original instructions Original instructions

23Screw the plug-in nipple intothe foot plate, to whichpreviously seal strip hasbeen applied. Insert thevacuum handle with the seal.Fasten the vacuum handle with awasher and hexagon hollow head plugM8x30.Connect the drill mount and the vacuum pump. Bring the drill mount in the correctposition and switch the pump on.Check whether all 4 levelling screws in the foot plate are completely turned backand a vacuum of min. -0.8 bar is achieved. By pressing the valve button on thehandle the drill mount may be disengaged and readjusted.The vacuum pump has to run during the complete operation, it is to beplaced in such a way that you can always observe the pressure gauge. It ismandatory to check that the foot plate is firmly affixed before you startdrilling.Fixing the mount by means of clamping deviceIn order to brace the drill mount by means of a clamping device, thedistance between the opposite wall must be between 1,7 m and 3 m.Position the drill mount. Position the clamping device asclose as possible behind the column on the base of themount. Fix the mount by turning the crank (G) clockwise.Secure the installation with the appropriate bolt (H).Caution! The drill stand must be firmly connected to the surface. Otherwisethe operator might suffer injuries or the drill could be damaged.Uncontrolled movements during drilling will cause the drill bit to hit thesurface to be drilled, this may cause chipping of the segments. The drill bitmight also tilt in the borehole which will also damage it.GH