GSI Group - Laser Division
JK300HP/JK300P/JK125P
Issue 2.0
Pre-installation and User Manual
Part No: 1EA300E01
Page
117 of 172
Refer to Figure 16 for item identification.
Step Action
WARNING
ELECTRIC SHOCK HAZARDS EXIST.
ELECTRIC SHOCK CAN CAUSE SERIOUS OR FATAL INJURY.
1
Carry out a 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 Laser Head lid.
4
Unlock and open Laser Head lid.
5
Remove the hose from the Beam Dump housing.
6
Refer to Section 9.4.2 and drain the Coolant if required.
7
Using the filter wrench, unscrew and remove the De-ioniser body.
8
Remove the De-ioniser cartridge from the De-ioniser body.
9
Remove and retain the rubber gasket. Inspect for signs of damage and replace if
necessary.
10
Inspect the O-Ring for signs of damage and replace if necessary.
11 Remove
De-ioniser
cartridge.
12
Refit cartridge in De-ioniser body.
13
Install the washer.
14
Ensure O-Ring is fitted and serviceable.
15
Refit the De-ioniser Body and tighten using a filter wrench.
16
Replace the hose on the Beam Dump housing.
17
Refill the coolant if required (Section 9.4.3).
WARNING
RUN THE LASER FOR AT LEAST ONE MINUTE AND CHECK FOR LEAKS
BEFORE RUNNING THE LASER IN ‘LASER ON’ STATUS.
Petitioners Canadian Solar Inc. and Canadian Solar (USA) Inc.
Ex. 1025, p. 117
