Remove The Laser Module Los - Christie CP42LH Service Manual

7. Disconnect the fiber optic cable.
8. Attach the red end cap to the laser module SMA termination point.
9. Attach the black circular cap that protects the SMA termination point. (Saved from installation.)
10. Disconnect the power cable and the ethernet cable.
11. Disconnect the 2 Interlock cables.
12. Connect the 2 cables together to complete the interlock circuit and enable the other modules to
work when the system is restarted.
13. Remove the 4 screws from the front of the laser module and set aside.
14. With another person, slide the laser module out of the laser rack.
If you are shipping the laser module to Christie, keeping the laser module level and slide it into
the original packing box.
If you plan to turn the system on without the laser module, attach a panel (saved at the base of
the laser rack during installation) to the now empty slot with the 4 screws that secured the
laser module.

Remove the laser module LOS

1. You have to remove the LOS to access the chiller.Remove the laser module from the rack. See
Remove a laser module for service
2. Ensure that you are grounded.
3. Remove and set aside the 11 screws from the laser module lid.
4. To remove the lid, lift up the front end first.
5. Set the lid aside.
6. Disconnect the red (middle) terminator for the IR interlock.
7. To remove the plate over the cards, remove the 4 screws and set the plate and screws aside.
8. Remove blue laser card (second from left).
9. Disconnect the connectors on the backplane near the base for the blue laser card, then replace
the blue card.
10. Disconnect the connectors on the backplane near the green laser cards.
11. To remove the wire harness from the plastic mounting bracket/routing clips, press and push
down on the green and black wires.
12. Disconnect the gray and white wire harness.
13. Disconnect connectors on the outside of the chiller.
14. Detach 2 cooling hose quick-disconnect terminals.
15. Remove the 4 nuts on the LOS.
16. Lift the LOS with your left hand and bracket under the nose with your right hand.
Do not lift the LOS from the nose.
CP42LH Service Manual
020-101686-03 Rev. 1 (08-2016)
on page 65.
Parts and Module Replacement
66