Mass Flow Meter
Removing the Mass Flow Meter:
1. Remove the Analyzer Cover from the analyzer.
2. Remove the Sample Oven Cover. Facing the front of the 3050-RM Analyzer,
the Mass Flow Meter is the small black box on the left-hand side of the
Sample Oven (Figure 4-3).
3. Disconnect the 1/16-inch ttings on all four (4) sample tubes, which are lo-
cated on the bracket in the center of the Sample Oven (Figures 4-3 and 4-5).
4. Remove the four (4) nuts that secure the sample manifold plate (the square
aluminum mounting plate, located in the front section of the Oven), and
gently lift the manifold out of the Oven.
All of the wiring connections should still be intact at this time; you
will need to rest the sample manifold plate on top of the analyzer to
remove the Flow Meter.
5. Disconnect the cable from the Flow Meter (Figure 4-4).
6. Disconnect the 1/16-inch tubing connections at both ends of the Flow
Meter (Figure 4-4).
7. From the bottom side of the sample manifold plate, remove the screws
securing the Flow Meter (Figure 4-4). Remove the old Flow Meter, and set it
aside.
Installing the Mass Flow Meter
Installing the Mass Flow Meter:
1. Attach the new Flow Meter to the sample manifold plate.
2. Reconnect the 1/16-inch ttings to the inlet and outlet of the new Flow
Meter.
3. Reconnect the cable to the Flow Meter.
PN 305892901, Rev S
Maintenance and Troublshooting | 4-7
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