Installation - Opening the MSC-L
Fusion4 MSC-L
Part No.: 4418309_Rev09
4 - 10
Installation & Operation Manual
Honeywell
6. Remove the screw on the earth strap assembly from the MSC-L lid.
NOTE: The screw must be removed only by Honeywell Enraf
trained service technicians.
7. Remove the screws that hold the boards fastened to the enclosure
with a 4 mm allen key.
8. Remove the CAN-IN-OUT-MSC boards and CAN-ARM-MSC boards.
9. Remove the 2x cabling from the backplane of the CAN-HMI-MSC
boards.
10. Replace all the toothed rings in the MSC-L lid.
NOTE: Make sure there is no corrosion between the parts of
the MSC-L.
11. Replace the screw of the earth strap protection cable on the MSC-L
lid.
12. Replace the screw of the earth strap assembly on the MSC-L lid.