Fisher® FIELDVUE DVC6200 Digital Valve Controller

Maintenance and Troubleshooting
July 2012
Instruction Manual
D103605X012
Perform the following procedure to replace the gauges, tire valves, or pipe plugs. Refer to figure 7‐2 and 7‐3 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 zinc based anti-seize 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
Refer to figure 7‐2 or 7‐4 for key number locations.
The terminal box is located on the housing and contains the terminal strip assembly for field wiring connections.
Note
The DVC6205 feedback connections terminal box (shown in figure 6‐6) is not a replaceable part. Do not remove the tamper proof
paint on the screw.
Figure 6‐6. Terminal Boxes
MAIN TERMINAL
BOX
FEEDBACK CONNECTIONS
TERMINAL BOX; NOT
REPLACEABLE
MAIN TERMINAL BOX
X0338
DVC6200
X0379
DVC6205
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.
64