Emerson Rosemount MultiVariable 3051SMV, Reference Manual

Page: 51 / 112

43
Reference Manual
00809-0100-4853, Rev AB
Operation and Maintenance
January 2017
Operation and Maintenance
Figure 4-2. Set Screw
A. Housing rotation set screw (
3
/
32
-in.)
Attach the sensor module assembly to the housing
1. Apply a light coat of low temperature silicon grease to the sensor module threads and O-ring.
2. Install the V-Seal (03151-9061-0001) at the bottom of the housing ( Figure 4-3 ).
3. Thread the housing completely onto the sensor module assembly. The housing must be no more than
one full turn from flush with the sensor module assembly to comply with
flame-proof/explosion-proof requirements.
4. Tighten the housing rotation set screw using a
3
/
32
-in. hex wrench to a recommended torque of 30
in-lbs (3.4 N-m).
Figure 4-3. V-Seal
A. Black rubber V-seal
Install electronics board in the housing
1. Apply a light coat of low temperature silicon grease to the sensor module connector O-ring.
2. Insert the sensor module connector into the top of the sensor module assembly. Ensure the locking
tabs are fully engaged.
3. Gently slide the electronics board into the housing, making sure the pins from the housing properly
engage the receptacles on the electronics board.
4. Tighten the captive screws. If using an LCD display, see “LCD display” on page 44 .
5. Attach the housing cover and tighten so that metal contacts metal to meet
flame-proof/explosion-proof requirements.
A
A