Assembly Removal And Replacement - Siemens 7MF4333 User Manual

UMSITRPDS3-1

7.4 ASSEMBLY REMOVAL AND REPLACEMENT

The display, electronics module, measuring cell, and terminal board assemblies are not user-serviceable;
however, they may be replaced. This section describes removal and replacement of these assemblies.
Refer to Section 7.0 for a list of tools. Figure 7-1 shows transmitter major assemblies.
1 Enclosure cap with/without viewing glass
2 Digital Display
3 Threaded hex standoff
4 Electronics Module and display cable
5 Measuring Cell board
6 Enclosure
The transmitter configuration must be reviewed after replacing either the electronics module (4) or the
measuring cell (7). The following table identifies the parameters that are stored and those that will need to
be entered.
November 2010
Explosion can cause death or serious injury.
In a Division 1 area, where an explosion-proof rating is
required, remove power from the transmitter before
removing either enclosure cap.
This device has a modular structure. Use only Siemens
authorized assemblies. When servicing, refer to the
instructions enclosed with replacement parts.
FIGURE 7-1 Transmitter Exploded View
WARNING
7 Measuring Cell (gauge construction shown;
includes measuring cell cable and measuring
cell board)
-- Terminal Board assembly (inside enclosure
cap adjacent to Field Terminals)
Calibration And Maintenance
7-9