Reassembly Procedures - Emerson Rosemount 2051 Reference Manual

Troubleshooting
September 2020
6.6.4 Removing sensor module from the electronics housing
Procedure
1. Remove the electronics board. Refer to
2. Carefully tuck the cable connector completely inside of the internal black cap.
3. Using a 5/64 -inch hex wrench, loosen the housing rotation set screw one full turn.
4. Unscrew the module from the housing, making sure the black cap on the sensor
6.7

Reassembly procedures

Procedure
1. Inspect all cover and housing (non-process wetted) O-rings and replace if necessary.
2. Carefully tuck the cable connector completely inside the internal black cap. To do
3. Lower the electronics housing onto the module. Guide the internal black cap and
4. Turn the module clockwise into the housing.
5. Thread the housing completely onto the sensor module. The housing must be no
6. Tighten the housing rotation set screw to no more than 7 in-lbs when desired
104
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.
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.
module and sensor cable do not catch on the housing.
Lightly grease with silicone lubricant to ensure a good seal.
so, turn the black cap and cable counterclockwise one rotation to tighten the cable.
cable on the sensor module through the housing and into the external black cap.
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.
more than one full turn from flush with the sensor module to comply with explosion
proof requirements.
location is reached.
Removing electronics board.
Rosemount 2051 Pressure Transmitter
Reference Manual
00809-0100-4107