Removing Sensor Module From The Electronics Housing; Reassembly Procedures - Emerson Rosemount 2051 Reference Manual

Reference Manual
00809-0100-4107, Rev CA
Note
The electronics board is electrostatically sensitive; observe handling precautions for static-sensitive
components
3. Using the two captive screws, slowly pull the electronics board out of the housing. The sensor module
ribbon cable holds the electronics board to the housing. Disengage the ribbon cable by pushing the
connector release.
Note
If an LOI/LCD display is installed, use caution as there is an electronic pin connector that interfaces
between the LOI/LCD display and electronics board.
6.4.4

Removing sensor module from the electronics housing

1. Remove the electronics board. Refer to
Note
To prevent damage to the sensor module ribbon cable, disconnect it from the electronics board before
you remove the sensor module from the electrical housing.
2. Carefully tuck the cable connector completely inside of the internal black cap.
Note
Do not remove the housing until after you tuck the cable connector completely inside of the internal
black cap. The black cap protects the ribbon cable from damage that can occur when you rotate the
housing.
3. Using a
4. Unscrew the module from the housing, making sure the black cap on the sensor module and sensor
cable do not catch on the housing.
6.5

Reassembly procedures

1. Inspect all cover and housing (non-process wetted) O-rings and replace if necessary. Lightly grease
with silicone lubricant to ensure a good seal.
2. Carefully tuck the cable connector completely inside the internal black cap. To do so, turn the black
cap and cable counterclockwise one rotation to tighten the cable.
3. Lower the electronics housing onto the module. Guide the internal black cap and cable on the sensor
module through the housing and into the external black cap.
4. Turn the module clockwise into the housing.
Troubleshooting
/ -inch hex wrench, loosen the housing rotation set screw one full turn.
5
64
"Removing the electronics board" on page
Troubleshooting
July 2017
80.
81