Gauges, Pipe Plugs Or Tire Valves; Terminal Box; Removing The Terminal Box - Emerson Fisher FIELDVUE DVC6000 HW2 Instruction Manual

Maintenance and Troubleshooting
June 2017
Gauges, Pipe Plugs, or Tire Valves
Depending on the options ordered, the DVC6000 HW2 will be equipped with either gauges (key 47), pipe plugs (key
66), or tire valves (key 67). Single‐acting direct instruments will also have a screen (key 236, figure 7‐3). These are
located on the top of the module base next to the relay.
Perform the following procedure to replace the gauges, tire valves, or pipe plugs. Refer to figure 7‐2 for key number
locations.
1. Remove the front cover (key 43).
2. Remove the gauge, pipe plug, or tire valve as follows:
For gauges (key 47), the flats are on the gauge case. Use a wrench on the flats of the gauge to remove the gauge from
the module base. For double‐acting instruments, to remove the supply gauge remove one of the output gauges.
For pipe plugs (key 66) and tire valves (key 67), use a wrench to remove these from the module base.
3. Apply pipe thread sealant (key 64) to the threads of the replacement gauges, pipe plugs, or tire valves.
4. Using a wrench, screw the gauges, pipe plugs, or tire valves into the module base.

Terminal Box

WARNING
Refer to the Maintenance WARNING at the beginning of this section.
Refer to figure 7‐2 for key number locations.
The terminal box is located on the housing and contains the terminal strip assembly for field wiring connections.

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.
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Instruction Manual
D103785X012