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

Troubleshooting
November 2016
4. 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.
6.7.4

Remove the sensor module from the electronics housing

1. Remove the electronics board. Refer to
Important
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. Loosen the housing rotation set screw with a
4. Unscrew the module from the housing, making sure the black cap and sensor cable do
not catch on the housing.
6.8

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. 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
through the housing and into the external black cap.
4. Turn the module clockwise into the housing.
Important
Make sure the sensor ribbon cable and internal black cap remain completely free of the
housing as you rotate it. Damage can occur to the cable if the internal black cap and ribbon
cable become hung up and rotate with the housing.
5. Thread the housing completely onto the sensor module. The housing must be no more
than one full turn from flush with the sensor module to comply with explosion proof
requirements.
6. Tighten the housing rotation set screw using a
58
00809-0300-4101, Rev BB
"Remove the electronics board" on page
/ -in. hex wrench, and loosen one full turn.
5
64
/ -in. hex wrench.
5
64
Reference Manual
57.
Troubleshooting