MSA Orion G Manual De Operaciones página 66

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Chapter 6, Warranty, Maintenance and Troubleshooting
8. Remove the display ribbon cable by sliding out the locking
tabs on the side of the connector.
9. Remove the membrane switch ribbon cable by sliding out the
locking tabs on the side of the connector.
10. Disconnect the back light fiber optics bundle by spreading
the two clips which hold the back of the LED onto the
circuit board.
11. Use a sharp X-acto knife to cut the green display mount from
the four mounting posts; be careful not to damage the
mounting posts.
12. Carefully holding the membrane switch ribbon cable out
of the way so as not to damage it, remove the old
display assembly.
13. Align the new display assembly over the four mounting posts;
gently push the green display mount over the mounting
posts until it is fully engaged on the mounting posts.
14. Connect the circuit board to the membrane switch ribbon
cable; latch down the two tabs located on either side of the
ribbon socket.
15. Connect the display ribbon cable; latch down the two tabs
located on either side of the ribbon socket.
16. Connect the back light fiber optics bundle; snap the
connector over the LED on the circuit board.
17. Position the circuit board into the case, carefully lining up the
connector for the IR Link circuit board, if so equipped.
18. Install the sensors, gaskets, sensor cover, and pump cap.
19. Position the rear case 90 degrees up from the front case;
route the pump outlet tube between the pump and the
connector board and connect it to the barb protruding
through the main circuit board.
20. Replace and secure the back of the case with the four
mounting screws. Take care to route the tubing properly and
to correctly mate the main and connector boards.
21. Replace the battery pack and two mounting screws securing
the battery pack.
22. Completely recalibrate the Orion G Multigas and Leak
Detector.
6-12
Operating Manual

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