Emerson Rosemount 2088 Reference Manual page 79

Section 6: Troubleshooting
March 2014
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.
6.
6.5.1 Attaching electronics board
1.
2.
Note
Do not force. The electronics board should slide gently on the connections.
3.
4.
6.5.2 Installing terminal block
1.
2.
3.
6.5.3 Installing drain/vent valve
1.
2.
3.
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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.
Tighten the housing rotation setscrew using a
Remove the cable connector from its position inside of the internal black cap and attach
it to the electronics board.
Using the two captive screws as handles, insert the electronics board into the housing.
Make sure the power posts from the electronics housing properly engage the
receptacles on the electronics board.
Tighten the captive mounting screws.
Replace the electronics housing cover. The transmitter covers must be engaged
metal-to-metal to ensure a proper seal and to meet Explosion-Proof requirements.
Gently slide the terminal block into place, making sure the two power posts from the
electronics housing properly engage the receptacles on the terminal block.
Tighten the captive screws.
Replace the electronics housing cover. The transmitter covers must be fully engaged to
meet Explosion-Proof requirements.
Apply sealing tape to the threads on the seat. Starting at the base of the valve with the
threaded end pointing toward the installer, apply five clockwise turns of sealing tape.
Tighten the drain/vent valve seat to 250 in-lb. (28.25 N-m).
Take care to place the opening on the valve so that process fluid will drain toward the
ground and away from human contact when the valve is opened.
Reference Manual
00809-0100-4108, Rev BA
5 / -inch hex wrench.
64
Troubleshooting