Adjusting The Flapper Pivot; Replacing The 582I Converter Primary O-Ring And Filter; Replacing The 582I Converter Housing Cap O-Ring; Removing The 582I Converter - Emerson Fisher 3582i Instruction Manual

3582, 582i, and 3583
January 2013
1. For valve positioners using a bypass, direct action, and a full‐range input signal, place the positioner in bypass
operation by moving the bypass handle to BYPASS. Then, shut off the supply pressure. For all other valve positioners
and valve stem position transmitters, isolate the control valve from the system and shut off all pressure lines.
Note
A difference between input and valve positioner output pressure could cause a transient bump in the controlled system when the
bypass handle is moved to BYPASS.
2. Remove the 83L relay (key 32) from the back of the case by loosening the two mounting screws (key 10, figure 23).
3. Reinstall the new relay assembly on the case, making sure the O‐rings (keys 13 and 15, figure 23) are in place.
Secure with the two mounting screws (key 10, figure 23).
4. Resume operation by moving the bypass handle to the POSITIONER position or by connecting the valve positioner
or valve stem position transmitter and control valve to the system.

Adjusting the Flapper Pivot

Key numbers used in this procedure are shown in figure 20.
1. Loosen the two screws (key 19C).
2. Tighten the pivot pin (key 19L) by compressing the upturned ears of the arm support (key 19K). Tighten the screws
(key 19C) and make sure the flapper (key 19B) does not rub on the supports.
3. The flapper should be snug, but not constricting to pivot action.
Replacing the 582i Converter Primary O‐Ring and Filter
Key numbers used in this procedure are shown in figure 26.
1. Locate and remove the nozzle restriction adaptor assembly (key 4).
2. Inspect and replace, if necessary, the O‐rings (keys 5 and 6). Apply lubricant (key 15) to the O‐ring before replacing.
3. Inspect and replace the filter cartridge (key 23).
Replacing the 582i Converter Housing Cap O‐Ring
Key numbers used in this procedure are shown in figure 26.
1. Unscrew and remove the converter housing cap (key 2). Inspect and replace the O‐ring (key 8), if necessary. Apply
lubricant (key 15) to the O‐ring before replacing.

Removing the 582i Converter

During the following converter removal procedures, refer to figure 26 for key number locations.
CAUTION
The I/P module should never be disassembled because the magnetism in the coils will decrease permanently. If
troubleshooting or alignment attempts indicate a faulty I/P module, replace the module or return the converter to your
Emerson Process Management sales office for repair.
38
Instruction Manual
D200138X012