GSI Group - Laser Division
JK300HP/JK300P/JK125P
Issue 2.0 Pre-installation and User Manual
Part No: 1EA300E01 Page 137 of 172
Refer to Figure 24 for item identification.
Item Action
WARNING
ELECTRIC SHOCK HAZARDS EXIST.
ELECTRIC SHOCK CAN CAUSE SERIOUS OR FATAL INJURY.
1 Ensure Power is switched OFF.
CAUTION
Refer to Section 1.15– Fibre Optic Handling.
2 Ensure Fibre Optic cable is fitted correctly and is serviceable.
3 Ensure that the Output end of the Fibre Optic Cable is positioned so that the laser
beam is directed into a Beam Dump. GSI Group - Laser Division recommend using
a water-cooled beam dump (Part Number – PG037430X).
4 Unlock and lift the Laser Head lid.
5 Connect a DVM to the BNC connector on the Fibre Receiver. Set the DVM to the dc
Volts range.
WARNING
THE LASER IS SWITCHED ON IN THE NEXT STEP.
WEAR GOGGLES.
ENSURE ALL SAFETY PROCEDURES ARE OBEYED.
6 Set the Height to 10% and switch the Laser ON.
7
The DVM should indicate approximately 350mV.
Note This value is a guideline only, the actual value can vary depending upon
the Laser model.
8 Loosen, but do not remove, the Locking screw on the Z Adjuster (item 9).
9 Adjust the X, Y and Z setting screws (items 9 & 10) until the DVM indicates the
lowest voltage reading.
Note There is no requirement to adjust the Z axis at low power settings as the
beam size is too small.
10 Increase the Height by 10% increments up to approximately 50%. This will give full
power at source, ie 300W for JK300HP. Repeat step 9 at each Height setting.
Note Refer to the test documentation supplied with your laser.
11 When Alignment is successfully completed, set the Shutter to CLOSED, switch the
Laser to OFF and carry out the Power Down sequence.
12 Tighten the Locking screw on the Z Adjuster (item 9).
13 Remove the DVM.
14 Close and lock the Laser Head lid.
Petitioners Canadian Solar Inc. and Canadian Solar (USA) Inc.
Ex. 1025, p. 137
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