Figure 3-9: Transducer holder length and set screw identification
A. Transducer holder set screws
B. Transducer holder length identification
8. Loosen the three Allen setscrews with a 1/16” hex driver securing the transducer
assembly and stalk, if installed. Carefully remove the transducer by pulling it from
the T-Slot transducer holder (or stalk if installed) without rotating.
9. Clean the holder with a dry cloth.
3.4.3
Install the transducer holder with the extractor tool
To replace transducer holder while under pressure, refer to Ultrasonic Split Clamp
Extractor Tool Operation Manual (Daniel P/N 3-9000-744).
Note
The extractor tool is used on Daniel Model 3414 Ultrasonic Flow Meters and is not
applicable for use with Daniel Model 3412 and Model 3411 Ultrasonic Flow Meters.
3.4.4
Install the transducer holder without the extractor tool
Procedure
1. Ensure that the Daniel 3410 Series Ultrasonic Gas Flow Meter transducer port,
mount, and T-Slot transducer holder assembly are clean and free of debris.
2. Insert the transducer (parts are keyed and can only be assembled one way) into the
stalk or into the new transducer holder if no stalk is required. Do not use any
lubricant on the O-rings or contacts of the transducers
Meter repairs Maintenance and Troubleshooting manual
June 2019 P/N 3-9000-769
68 Gas Ultrasonic Flow Meters
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