Figure 26 - St 700 Standard Transmitter - Hardware Location To Remove The Meter Assembly - Honeywell SmartLine ST 700 User Manual

6. Loosen the two retaining screws, and remove the communications module assembly, and
remove the communication module assembly from the electronics housing.
7. Disconnect the Sensor Cable from the communications Board.
8. Refer to Figure 26.
of the housing to permit rotating the meter body.
Figure 26 – ST 700 Standard Transmitter - Hardware Location to
9. Carefully turn the complete meter body counterclockwise to unscrew it from the electronics
housing.
10. Remove the nuts from bolts that hold the process head(s) to the meter body.
11. Remove process heads and bolts.
12. Remove the gaskets or O-rings from the process heads.
13. Clean the interior of the process head(s) with a soft bristle brush and suitable solvent.
CAUTION: To prevent damage to the diaphragm in the meter body, use extreme
care when handling or placing the meter body on any surface. Carefully assemble
gaskets or O-rings to the meter body. If installing O-rings, lubricate with water or
leave dry.
14. Coat threads on process head bolts with anti-seize compound such as "Neverseize" or
equivalent.
15. Refer to Figure
and carefully assemble the O-ring to the meter body. Assemble the process head(s) and bolts
to the new meter body. For now, make the bolts only finger-tight.
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Use a 2mm hex wrench to completely loosen the set screw on the outside
Remove the Meter Assembly
27. Apply Dow Corning #33 silicone grease to the meter body adapter O-ring
ST 700 SmartLine Pressure Transmitters User's Manual
Revision 13