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GSI Group - Laser Division
JK300HP/JK300P/JK125P
Issue 2.0
Pre-installation and User Manual
Part No: 1EA300E01
Page
119 of 172
Refer to Figure 17 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 front door.
4
Refer to Section 9.4.2 and drain the Coolant.
5
Loosen the hoseclips on the Coolant Pump inlet and outlet pipes (items 5 and 9).
6
Pull the inlet and outlet pipes (items 5 and 9) away from the Coolant Pump
(item 6) connectors.
7
Using a spanner, remove the pump outlet adaptor.
8
Remove all 4 Bolts from the top of the electrical panel cover (item 8) located at the
top of the Pump
9
Remove the three screws located in the base of the Electrical Panel (item 8).
10
Remove and retain the Electrical Panel (item 8) from the top of the Coolant Pump
(item 6).
Note
Do Not Remove Three Phase Terminals, or any Plugs inside of the
Electrical Panel (Item 8)
11
Remove and retain the four nuts and bolts (item 7) securing the Coolant Pump to
the cabinet base. The bolts are accessible from underneath the cabinet.
CAUTION
The Coolant Pump is heavy. Care must be taken when lifting the Coolant
Pump Assembly.
12
Remove the Coolant Pump (item 6).
Petitioners Canadian Solar Inc. and Canadian Solar (USA) Inc.
Ex. 1025, p. 119