Instruction Manual
D200354X012
4200 Transmitters
March 2011
32
4. Remove the transmitter from its mounting.
5. Perform the transmitter printed wiring board removal procedure.
6. Remove the pot/bushing assembly (key 3) from the housing (key 1).
7. When installing the pot/bushing assembly (key 3) in the transmitter housing, apply lubricant (key 50) to the
bushing threads.
8. Install the pot/bushing assembly in the transmitter housing and tighten. Ensure free rotation of the potentiometer
shaft.
9. Perform the printed wiring board replacement procedure.
10. Perform the installation, potentiometer alignment, and calibration procedures to return the transmitter to service.
Parts Ordering
When corresponding with your Emerson Process Management sales office about this equipment, always mention the
transmitter serial number. When ordering replacement parts, refer to the part number of each required part as found
in the following parts lists.
WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Process Management should
not, under any circumstances, be used in any Fisher instrument. Use of components not supplied by Emerson Process
Management may void your warranty, might adversely affect the performance of the instrument, and could cause personal
injury or property damage.
Note
Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use, or
maintenance of any product. Responsibility for the selection, use, and maintenance of any product remains with the purchaser and
end‐user