
B-70265EN/02 TABLE OF CONTENTS
c-1
TABLE OF CONTENTS
SAFETY PRECAUTIONS...........................................................................s-1
PREFACE ..................................................................................................p-1
1 HANDLING THE LASER BEAM ............................................................1
1.1 WARNING LABELS....................................................................................... 2
1.2 OPTICAL PATHS IN THE OSCILLATOR.................................................... 11
2 INTERNAL STRUCTURE..................................................................... 14
2.1 OUTLINE ..................................................................................................... 15
2.2 INTERNAL STRUCTURE............................................................................ 17
3 INSTALLATION ...................................................................................26
3.1 INSTALLATION PROCEDURE ................................................................... 27
3.2 OSCILLATOR CONNECTIONS .................................................................. 33
3.2.1 Laser Gas................................................................................................................33
3.2.1.1 Laser gas specification....................................................................................... 33
3.2.1.2 Gas pipe ............................................................................................................. 33
3.2.1.3 Leakage in external piping................................................................................. 34
3.2.1.4 Replacing the laser gas cylinder......................................................................... 34
3.2.2 Cooling Water ........................................................................................................35
3.2.2.1 Specification of the cooling water...................................................................... 35
3.2.2.2 Pure Water Supply Unit..................................................................................... 35
3.2.2.3 Anticorrosive ..................................................................................................... 36
3.2.2.4 Cleaning agent ................................................................................................... 36
3.2.2.5 Antifreezing solution.......................................................................................... 37
3.2.3 Electrical Connections ...........................................................................................38
3.2.4 Inter-unit Connections............................................................................................40
3.2.4.1 Vacuum tube connection.................................................................................... 40
3.2.4.2 Power cable connection ..................................................................................... 41
3.3 DETAILS OF CHECKING............................................................................ 42
3.3.1 Power Supply Checking .........................................................................................42
3.3.1.1 Checking the power supply................................................................................ 42
3.3.1.2 Phase rotation..................................................................................................... 42
3.3.1.3 Setting the frequency of the power supply of the hour meter............................. 42
3.3.1.4 Measurement of voltage of DC power supply unit............................................. 42
3.3.1.5 Checking the jumper pins .................................................................................. 44
3.3.1.6 Checking the IF PCB signals ............................................................................. 44
3.3.2 External Laser Gas Piping Leakage Check (Clamp Test)......................................45
3.3.3 Checking Cooling Water........................................................................................46