Figure 3-11 Re-Wetting The Lt-07 Transducer Face - Emerson Daniel 3818 Maintenance And Troubleshooting Manual

Section 3: Meter maintenance
January 2018
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Figure 3-11 Re-wetting the LT-07 transducer face

A. Applying cryogenic lubricant to the transducer face
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Remove all of the old grease from the transducer face. Clean the face with a cotton
swab with isopropyl alcohol.
Use a cotton swab and apply cryogenic SLC-400 lubricant to the face of the transducer.
Make sure the grease is evenly distributed across the transducer face.
Wipe excess lubricant from the transducer sides.
Use a cotton swab with isopropyl alcohol and clean the transducer port.
Use a dry, clean cotton swab and dry the port. Do not install the transducer assembly
until the port is free of debris and is completely dry.
Slide the re-wetted transducer assembly into the transducer housing port in the meter
body. Rotate the transducer assembly to align the pin head with the appropriate slot
within the transducer housing. Align the cable gland with the mark on the body made
prior to removal. Press the transducer fully into the transducer housing port and hold in
this position.
Tighten the half dog set screw using a 1/8 inch Allen wrench until you make contact
with the transducer case (see
transducer. Make sure the transducer assembly is tight.
Tighten the lock nut by hand while holding the set screw with a 1/8 inch Allen wrench.
Use a 7/16 inch wrench to secure the lock nut and set screw.
Maintenance and Troubleshooting Manual
LT-07 transducer assembly). Then, release the
Figure 3-7
3-9000-772 Rev B
A.
Re-wetting the transducers