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GSI Group - Laser Division
JK300HP/JK300P/JK125P
Issue 2.0
Pre-installation and User Manual
Part No: 1EA300E01
Page
125 of 172
Refer to Figure 19 for item identification.
Step Action
WARNING
ELECTRIC SHOCK HAZARDS EXIST.
ELECTRIC SHOCK CAN CAUSE SERIOUS OR FATAL INJURY.
1
Carry out Power OFF Sequence.
Wait for 2 minutes. This ensures that the capacitors have discharged to a safe level.
2
ISOLATE AND LOCK OUT THE MAINS SUPPLY TO THE LASER.
3
Unlock and open the Laser Head Lid.
4
Remove and retain the 8 bolts (item 2) securing the Pumping Chamber lid (item 3).
CAUTION
WEAR PLASTIC GLOVES
Optical components are fragile and are easily damaged. Extreme care must be
taken when handling optical components. Always handle optical components
in a clean environment.
5
Lift the Pumping Chamber Lid (item 3) clear of the Pumping Chamber (item 5), and
place in a clean area.
CAUTION
The Arc-lamps are made of glass and may splinter or shatter. Eye protection
must be worn whilst removing the Arc-lamps. Carefully remove broken glass
with tweezers or long nose pliers.
6
Remove Ceramic Reflector (item 7) from Pumping Chamber (item 5) and place in
clean safe location.
7
Gently lift the Arc-lamps (item 4) until it is clear of the Pumping Chamber (item 5),
and place in clean safe location.
8
Remove All PTFE Lamp Supports (item 6) from Arc-Lamps (item 4), and place in
clean safe location.
9
If Arc-lamp (item 4) has broken, carefully remove glass with tweezers or long nose
pliers. Dispose of glass in suitable container.
10
Using lint free cloth, carefully dry excess water from inside the Pumping Chamber
(item 5).
11
If applicable, repeat steps 6 to 9 to remove second Arc-lamp (item 4).
Petitioners Canadian Solar Inc. and Canadian Solar (USA) Inc.
Ex. 1025, p. 125