Emerson Rosemount Clarity II T56, Справочное руководство

Страница: 53 / 60

8.3 Maintaining the debubbler and measuring
chamber
8.3.1 Clean the debubbler and measuring chamber
Procedure
1. Turn off the sample supply to the debubbler.
WARNING
High pressure and temperature
Before disconnecting the sample and drain lines or removing the sensor, be
absolutely certain the process pressure is reduced to 0 psig and the process
temperature is at a safe level.
2. Remove the sensor and put it in a safe place.
The calibration cup is a good place to store the sensor.
3. Loosen the small drain plug in the base plug and allow the sample in the debubbler
to drain out.
See
Figure 8-1 .
4. Replace the drain plug.
5. Unscrew the upper and lower caps.
Be careful not to lose the O-rings.
6. Use a stream of water, a brush, or a rag to flush and clean out the inside of the
debubbler and measuring chamber.
7. Inspect the O-rings for signs of damage and replace if necessary.
The part number for the O-ring (one each) is 9550316.
8. Replace the upper and lower caps.
9. Replace the sensor.
8.3.2 Clean the debubbler orifice
Procedure
1. Turn off the sample to the debubbler.
2. Disconnect the drain line. Unscrew the drain fitting from the orifice; then unscrew
the orifice from the debubbler body.
See
Figure 8-1 .
3. Use a stream of water to flush out any residue accumulated in the orifice. Direct the
stream of water counter to the normal flow through the orifice.
Reference Manual Maintenance
00809-0100-3565 July 2020
Rosemount T56 53