
B-70265EN/02 TABLE OF CONTENTS
c-5
7.17 POWER SENSOR UNIT ........................................................................... 184
7.17.1 Replacement Method............................................................................................184
7.17.2 Adjustment Method..............................................................................................184
7.18 REPLACING THE DEW SENSOR ............................................................ 185
7.18.1 Replacement Method............................................................................................185
7.19 PCB ........................................................................................................... 186
7.19.1 Replacing the IF PCB...........................................................................................186
7.19.2 Replacing the Stabilized Power Supply ...............................................................186
7.19.3 Replacing the Input Control PCB.........................................................................186
7.19.4 Replacing the Turbo PCB ....................................................................................187
7.19.5 Replacing the Intermediate PCB B ......................................................................187
7.20 OIL MIST DECOMPOSING ELEMENT ..................................................... 188
7.20.1 Replacement Method............................................................................................188
7.21 GAS DUST COLLECTOR UNIT ................................................................ 189
7.21.1 Cleaning ...............................................................................................................189
8 LASER OPTICAL SYSTEM ............................................................... 190
8.1 LASER OPTICAL PARTS ......................................................................... 191
8.2 CLEANING AND REPLACING THE OPTICAL PARTS............................. 192
8.2.1 Cleaning and Replacing the Output Coupler and Rear Mirror ............................193
8.2.2 Cleaning and Replacing the Folding Mirrors.......................................................197
8.2.3 Cleaning and Replacing the Beam Folding Unit..................................................199
8.3 ALIGNMENT OF THE RESONATOR........................................................ 201
8.3.1 Alignment Procedure for Adjusting All Mirrors..................................................206
8.3.1.1 Preparation....................................................................................................... 206
8.3.1.2 Adjustment method.......................................................................................... 206
8.3.2 Alignment Procedure during Installation after Transportation ............................209
8.3.2.1 Preparation....................................................................................................... 209
8.3.2.2 Adjustment method.......................................................................................... 209
8.3.3 Alignment Procedure at Mirror Cleaning Time ...................................................212
8.3.3.1 Preparation....................................................................................................... 212
8.3.3.2 Adjustment method.......................................................................................... 212
8.4 OBTAINING A MAXIMUM POWER........................................................... 214
8.4.1 Preparation ...........................................................................................................214
8.4.2 Procedure..............................................................................................................214
8.5 POWER CALIBRATION METHOD ........................................................... 216
8.5.1 Setting a Power Input Compensation Coefficient................................................216
8.5.2 Using the Power Probe.........................................................................................217