| 19 |5.2 Adjust cutting depthBDN 452, BDN 453, BDN 454, BDN 455 andBDN 464 / 4• 8 / 9 Use an open-ended spanner size SQ13to undo the hexagon nut (1) on the protectivehood (2).• 8 / 9 Turn the protective hood (2) to adjust thecutting depth (3).• 8 / 9 Tighten the hexagon nut (1).BDN 463 / 4 and BDN 466 / 6• 10 / 11 Release the clamping lever (1) at theprotective hood (2).• 10 / 11 Turn the protective hood (2) to adjustthe cutting depth (3).• 10 / 11 Tighten the clamping lever (1).5.3 Connect dust extractorBDN 452, BDN 453, BDN 454, BDN 455,BDN 463 / 4, BDN 464 / 4 and BDN 466 / 6• Check the dust extractor to ensure that it isworking properly.• 12 Push the dust extractor hose (3) firmly ontothe nozzle (2) of the protective hood (1).NOTEThe nozzle (2) is designed to fit the suction hose(3) of a BAIER special dust extractor.12 When the suction hose (3) is cold, a good dealof effort is required to push it onto the nozzle (2) ofthe diamond cutter.BDN 452, BDN 453, BDN 454, BDN 455,BDN 463 / 4, BDN 464 / 4 and BDN 466 / 6NOTEThe hole in the washer is off-centre.• 3 to 7 Push on the washer (2). Match thethread of the drive shaft (3) with the hole in thewasher (2).NOTEThe hexagonal head screw has a left-hand thread.• 3 to 7 Use the hexagon head screw (4) toscrew the washer (2) onto the drive shaft (3)(left-hand thread).• 7 Use an open-ended spanner size SW13 (8) totighten (10 Nm) the screw, at the same time usethe hook wrench (2) to hold the washer (7).• Check the fit of the diamond dry-cutting discs.The diamond dry-cutting discs must be fittedas described above and must be able to rotatefreely.NOTEIf the diamond dry-cutting discs do not fit tightly, afurther 2 mm spacer disc must be fitted under thewasher.WARNINGRisk of injuries due to cracking and breaking ofthe diamond dry-cutting disc (bits of disc flyingaround), caused by damaged, untrue running orvibrating diamond dry-cutting discs.Î During the trial run of the machine, hold thediamond dry-cutting discs away from your bodyand do not touch or grip them.Damaged, untrue running or vibrating diamonddry-cutting discs must be replaced immediately.• Carry out a trial run of at least 30 secondswithout load.