b) If replacing the transducer housing discard the used transducer housing and
apply Molykote
®
grease to the o-ring on the new transducer housing.
c) Apply a light coat of Loctite
®
anti-seize nickel grade lubricant (20g
stick-37230) on the transducer housing threads.
10. Ensure the transducer housing threads are properly aligned (avoid cross-threading
the housing) with the meter body port hole threads. Use a wrench, socket or pliers
on the hex of the transducer housing and slowly turn in a clockwise direction. Once
the transducer housing is fully seated against the meter body, torque the
transducer housing as specified in the table below.
Transd
ucer
housin
g
Torque
range Ft-
lb (N-m)
Transducer housing
LT-10
40-43
(49-53)
LT-11
90-99
(122-134)
11. Place one drop of Dow Corning 200 Silicon Oil
1-360-01-650) on the face of the transducer. Make sure the oil is evenly distributed
across the transducer face.
12. Wipe excess oil from the transducer sides.
13. Insert the re-wetted transducer capsule into the transducer housing port inside the
meter body.
14. Slide the spring and shoulder washer along the cable to the transducer capsule.
Install the retaining ring into the groove within the transducer housing while
compressing the spring by applying force to shoulder washer.
(3)
Dow Corning Molykote
®
111 is a trademark of Dow Corning Corporation, U.S.A.
(4)
Dow Corning 200 is a trademark of Dow Corning Corporation, U.S.A.
Meter maintenance
Maintenance and Troubleshooting Manual
April 2022
00809-0100-3812
60
Emerson.com/Rosemount
