Emerson Fisher 4200 Instruction Manual page 29

Instruction Manual
D200354X012
CAUTION
Electrostatic voltages present in the environment may be transferred to the transmitter printed wiring board which may
cause failure or degraded performance. Use appropriate antistatic procedures when working with the printed wiring board
to protect the electronic circuits.
Figure 11. Housing Assembly for Fisher 4210, 4215, or 4220 Transmitter with Position Switches and 4212 or 4222
Position Switches without Transmitter
APPLY LUBRICANT OR SEALANT
NOTE:
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ON 4212, 4222, USE KEY 35 INSTEAD OF KEY 19 AT THE "-"FEEDTHROUGH POSITION,
OMIT KEY 10
49A7893 M / IL
Transmitter Printed Wiring Board
Refer to figure 12 for component locations.
Removal:
1. Remove power from the transmitter.
2. With the transmitter compartment covers removed, disconnect the connectors from J1, J2, and J3 if they are used.
3. Note the locations of the wires, then disconnect the wires from TB1.
4. Remove the three screws that hold the board in place.
5. Grasp one of the components that protrudes from the board, and gently lift the board from the transmitter
compartment.
6. Place the board on an anti‐static surface for repair or replacement.
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4200 Transmitters
March 2011
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