KaVo KEY Laser III 1243, Technician'S Instructions

Page: 3 / 180

Technician's instructions KEY Laser III 1243
Contents
Contents
Contents ............................................................................................................................................................1
1 Overview of functions ....................................................................................................................................3
1.1 Physical basics .........................................................................................................................................3
1.1.1 What does the term laser mean? .....................................................................................................3
1.1.2 What is laser radiation? ....................................................................................................................4
1.1.3 How does laser radiation form? ........................................................................................................8
1.1.4 Processes involved in the creation of laser radiation Excitation of the laser medium ....................11
1.1.5 Laser wavelengths ..........................................................................................................................19
1.2 Optical system ........................................................................................................................................20
1.3 Electrical system ....................................................................................................................................21
1.3.1 Control unit .....................................................................................................................................21
1.3.2 Software /start-up process ..............................................................................................................22
2 Measuring and configuration .......................................................................................................................24
2.1 Control unit service program ..................................................................................................................24
2.1.1 Service mode overview ..................................................................................................................24
2.1.2 Connect service notebook ..............................................................................................................26
2.1.3 Communicating with KEY Laser 1243 ............................................................................................27
2.1.4 Direct communication with the control unit .....................................................................................30
2.1.5 Switch KEY Laser service mode on/off ..........................................................................................36
2.1.6 The service mode main menu ........................................................................................................37
2.1.7 Operating control ............................................................................................................................38
2.1.8 System control/tests .......................................................................................................................46
2.1.9 Commissioning adjustments ...........................................................................................................55
2.1.10 Static data setup ...........................................................................................................................61
2.1.11 Diagnodent service .......................................................................................................................68
2.1.12 Start without security system ........................................................................................................68
2.1.13 Software download .......................................................................................................................69
2.1.14 User mode error messages/causes ..............................................................................................71
2.1.15 Control computer status LEDs ......................................................................................................73
2.2 Optical system ........................................................................................................................................75
2.2.1 General cleaning of optical components ........................................................................................75
2.2.2 Er:YAG crystal ................................................................................................................................76
2.2.3 HR/PR mirror ..................................................................................................................................85
2.2.4 Deflection mirror .............................................................................................................................94
2.2.5 Lens coupling ...............................................................................................................................103
2.2.6 Measure laser hose coupling ........................................................................................................125
2.2.7 Laser angle piece 2060 ................................................................................................................139
2.2.8 Laser Handpiece P 2061 ..............................................................................................................141
2.2.9 Laser handpiece E 2062 ...............................................................................................................143
2.3 Electrical system ..................................................................................................................................146
2.3.1 Removal of supply connection 230 Volt ~ 50/60 Hz .....................................................................146
2.3.2 Install external voltage transformers .............................................................................................151
2.3.3 Adjust the KEY 3 Diagnodent electronics when the distance standard is mounted .....................161
3 Maintenance work on KEY Laser 1243 .....................................................................................................164
3.1 Ignition system .....................................................................................................................................164
3.2 Cooling system .....................................................................................................................................165
3.3 Spray system ........................................................................................................................................166
3.4 Optical system ......................................................................................................................................169
3.5 Laser contraangle handpiece 2060 ......................................................................................................170
3.6 Laser handpiece P 2061 ......................................................................................................................171
3.7 Laser handpiece E 2062 ......................................................................................................................172
1/176