95
Reference Manual
00809-0100-4772, Rev FA
Troubleshooting
March 2016
Troubleshooting
5. Loosen the sensor cable nut from the housing sensor header with a
5
/16 in. open-end
wrench. See Figure 7-9.
Installing the FOUNDATION Fieldbus electronics housing
1. Verify that power to the flowmeter is off.
2. Screw the sensor cable onto the base of the housing.
3. Tighten the sensor cable with a
5
/16 in. open-end wrench.
4. Place the electronics housing into the top of the support tube.
5. Tighten the housing rotation screws with a
5
/32 in. (4 mm) hex wrench. Turn
counterclockwise to tighten.
6. Connect the power wires and any conduit.
7. Apply power.
7.5.4 Replacing the sensor
The sensor for the flowmeter is a sensitive instrument that should not be removed unless
there is a problem with it. If you must replace the sensor, follow these procedures closely.
The flowmeter sensor is extremely reliable, so it ordinarily does not need to be replaced.
Please consult the factory before removing the sensor.
Note
Be sure to fully check all other troubleshooting possibilities before removing the sensor.
Do not remove the sensor unless it is determined that a problem exists with the sensor
itself. The sensor may not fit on the post if it is removed and replaced more than two or
three times, or replaced incorrectly.
Also, please note that the sensor is a complete assembly and cannot be further
disassembled.
Tools needed
5
/32-inch (4 mm) hex wrench
5
/16-inch open end wrench
7
/16-inch open end wrench
3
/4-inch open end wrench (for 3- and 4-inch [80 and 100 mm] SSTwafers)
1
1
/8-inch open end wrench (for all other models)
Suction or compressed air device
Small, soft bristle brush
Cotton swabs
Appropriate cleaning liquid: water or cleaning agent
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