Emerson Rosemount 8800D Series Reference Manual page 91

Reference Manual
00809-0100-4004, Rev DC
Note
There are numerous tube fittings that could connect to the tube if there is a need to drain
away process material. The tube on the valve has a
4.
5.
a.
b. If there is process fluid in the sensor cavity, immediately re-tighten the valve nut
6.
7.
Removable support tube
8.
Figure 5-8. Removable Support Tube Assembly
A
B
C
A.Removable support tube
B. Sensor nut
C. Sensor
D. Anchor bolts
E. Meter body
Troubleshooting
Using a / -in. (11-mm) open end wrench, slowly loosen the valve nut. Back out the
7
16
nut until it stops. There is a set screw which prevents the nut from being completely
removed.
Process fluid venting from the valve tube indicates that there is process fluid in the
sensor cavity.
If there is no process fluid in the sensor cavity, continue to step 7.
until process fluid stops venting. Do NOT tighten any further. STOP and contact
your Rosemount Sales Representative. The meter body may need to be replaced.
De-pressurize the flow line.
Remove the electronics housing (see
page 80).
Loosen the four support tube anchor bolts with a
Figure 5-8.
D
3
/ " OD with a 0.035" wall thickness.
16
"Replacing the electronics housing" on
/ -in. open end wrench. See
7
16
E
Troubleshooting
May 2016
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