GE Hydran M2-X Instruction Manual page 155

Transformer gas monitoring system
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Hydran* M2-X Instruction Manual
4.3.5
Installing the Sensor onto the Valve
1. (Optional) If using a finned adaptor, apply a thermal joint
2. (Optional) Wrap Teflon tape on the adaptor's threads
3. (Optional) Screw the adaptor onto the valve and tighten it using an adjustable
wrench
4. Wrap Teflon tape on the sensor's threads
5. Loosen the bleed screw
6. Install the sensor clamp around the sensor
7. Screw the sensor manually onto the valve
8. Tighten the sensor (position the bleed screw at "12 o'clock")
9. Ensure the O-ring is in place on the sensor flange
4.3.6
Opening the Valve and Purging Air from the Sensor
1. Close the sensor's bleed screw and then open it 1/8 of a turn
2. Slowly open partially the transformer valve
3. When there are no more air bubbles in the oil, shut the bleed screw
4. Open the valve completely
5. Wipe all traces of oil from the sensor
6. Inspect the sensor for oil leaks
7. Tighten the bleed screw
8. Dispose of the collected oil according to the company regulations
4.3.7
Installing the Hydran M2-X on the Sensor
1. Push the sensor cable connector into the sensor connector
2. Rotate the connector clockwise (approximately 1/8 of a turn
3. Position the enclosure and push the Hydran M2-X onto the sensor
4. Install the sensor clamp and tighten it using the spanner wrench
5. Tighten the set screw
MA-029
Rev. 1.0, 30-Jul-18
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