Removing The Terminal Box; Travel Sensor; Replacing The Terminal Box - Emerson Fisher Fieldvue DVC6030f Instruction Manual

Removing the Terminal Box

WARNING
To avoid personal injury or property
damage caused by fire or explosion,
remove power to the instrument
before removing the terminal box
cover in an area which contains a
potentially explosive atmosphere or
has been classified as hazardous.
1. Loosen the set screw (key 58) in the cap (key 4) so
that the cap can be unscrewed from the terminal box.
2. After removing the cap (key 4), note the location of
field wiring connections and disconnect the field wiring
from the terminal box.
3. Separate the module base from the housing by
performing the Removing the Module Base procedure.
4. Remove the screw (key 72). Pull the terminal box
assembly straight out of the housing.
5. Remove two wire retainers (key 44), internal and
external to the terminal box.

Replacing the Terminal Box

Note
Inspect all O-rings for wear and
replace as necessary.
1. Install two wire retainers (key 44), internal and
external to the terminal box.
2. Apply silicone lubricant to the O-ring (key 35) and
install the O-ring over the stem of the terminal box.
3. Insert the terminal box assembly stem into the
housing until it bottoms out. Position the terminal box
assembly so that the hole for the screw (key 72) in the
terminal box aligns with the threaded hole in the
housing. Install the screw (key 72).
4. Connect the terminal box connector to the PWB
assembly (key 50). Orientation of the connector is
required.
5. Reassemble the module base to the housing by
performing the Replacing the Module Base procedure.
March 2006
6. Reconnect the field wiring as noted in step 2 in the
Removing the Terminal Box procedure.
7. Apply silicone lubricant to the O-ring (key 36) and
install the O-ring over the 2-5/8 inch threads of the
terminal box. Use of a tool is recommended to prevent
cutting the O-ring while installing it over the threads.
8. Apply lubricant (key 63) to the 2-5/8 inch threads
on the terminal box to prevent seizing or galling when
the cap is installed.
9. Screw the cap (key 4) onto the terminal box.
10. Install a set screw (key 58) into the cap (key 4).
Loosen the cap (not more than 1 turn) to align the set
screw over one of the recesses in the terminal box.
Tighten the set screw (key 58).
11. Apply sealant (key 64) to the conduit entrance
plug (key 62) and install it into the unused conduit
entry of the terminal box.

Travel Sensor

WARNING
Refer to the Maintenance WARNING at
the beginning of this section.
Replacing the travel sensor requires removing the
digital valve controller from the actuator.
WARNING
To avoid personal injury or property
damage caused by fire or explosion,
remove power to the instrument
before replacing the travel sensor in
an area which contains a potentially
explosive atmosphere or has been
classified as hazardous.
Disassembly
Type DVC6010f Digital Valve Controller
and Type DVC6015 Remote Feedback Unit
Refer to figure 11-2 for Type DVC6010f and 11-3 for
Type DVC6015 key number locations.
1. Remove piping and fittings from the instrument.
2. Disconnect the adjustment arm from the connector
arm and the feedback arm (see figures 2-1 and 2-2).
Maintenance
10-9
10